{"id":9044,"date":"2025-09-01T05:34:20","date_gmt":"2025-09-01T05:34:20","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&#038;p=9044"},"modified":"2026-07-07T08:32:48","modified_gmt":"2026-07-07T08:32:48","slug":"3003-hlinikova-ctvercova-trubka","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/cs\/product\/3003-aluminum-square-tube\/","title":{"rendered":"3003-O\/H14\/H22 Hlin\u00edkov\u00e1 \u010dtvercov\u00e1 trubka"},"content":{"rendered":"<h2>Co je hlin\u00edkov\u00e1 \u010dtvercov\u00e1 trubka 3003?<\/h2>\n<p>Hlin\u00edkov\u00e1 \u010dtvercov\u00e1 trubka 3003 je dut\u00fd extrudovan\u00fd profil se \u010dtvercov\u00fdm pr\u016f\u0159ezem, vyroben\u00fd ze slitiny 3003 \u2014 manganem zpevn\u011bn\u00e9, tepeln\u011b nezpracovateln\u00e9 hlin\u00edkov\u00e9 slitiny. S p\u0159ibli\u017en\u011b 1,0\u20131,5 % Mn nab\u00edz\u00ed o 10\u201320 % vy\u0161\u0161\u00ed pevnost ne\u017e komer\u010dn\u011b \u010dist\u00fd hlin\u00edk (1100\/1060) p\u0159i zachov\u00e1n\u00ed vynikaj\u00edc\u00ed odolnosti proti korozi, sva\u0159itelnosti a tv\u00e1\u0159itelnosti. \u010ctvercov\u00fd tvar trubky poskytuje rovnom\u011brnou ohybovou tuhost v obou sm\u011brech, co\u017e ji \u010din\u00ed vhodnou pro konstruk\u010dn\u00ed r\u00e1my, kryty a dekorativn\u00ed li\u0161ty tam, kde je preferov\u00e1n \u010dist\u00fd obd\u00e9ln\u00edkov\u00fd profil.<\/p>\n<p>U trubkov\u00fdch v\u00fdrobk\u016f je slitina 3003 b\u011b\u017en\u011b dod\u00e1v\u00e1na v tv\u00e1\u0159en\u00fdch stavech zpevn\u011bn\u00fdch deformac\u00ed (H12, H14, H16, H22, H24) a tak\u00e9 v pln\u011b \u017e\u00edhan\u00e9m stavu O. V\u0161echny stavy jsou tepeln\u011b nezpracovateln\u00e9 \u2014 pevnost je dosahov\u00e1na tv\u00e1\u0159en\u00edm za studena, nikoliv precipita\u010dn\u00edm vytvrzov\u00e1n\u00edm. D\u00edky tomu je \u010dtvercov\u00e1 trubka 3003 snadno ohybateln\u00e1, sva\u0159iteln\u00e1 a opracovateln\u00e1 bez obav z deformac\u00ed zp\u016fsoben\u00fdch tepeln\u00fdm zpracov\u00e1n\u00edm po sva\u0159ov\u00e1n\u00ed.<\/p>\n<h2>Dostupn\u00e9 v\u00fdrobky z hlin\u00edkov\u00e9 \u010dtvercov\u00e9 trubky 3003<\/h2>\n<h3>\u010ctvercov\u00e1 trubka 3003-O (\u017e\u00edhan\u00e1)<\/h3>\n<p>Stav O nab\u00edz\u00ed nejni\u017e\u0161\u00ed pevnost a nejvy\u0161\u0161\u00ed ta\u017enost. Je spr\u00e1vnou volbou, kdy\u017e je p\u0159i instalaci vy\u017eadov\u00e1no v\u00fdrazn\u00e9 oh\u00fdb\u00e1n\u00ed, roz\u0161i\u0159ov\u00e1n\u00ed nebo roztahov\u00e1n\u00ed. Pevnost v tahu se pohybuje od 75 do 130 MPa a ta\u017enost p\u0159esahuje 30 %, co\u017e umo\u017e\u0148uje slo\u017eit\u00e9 tv\u00e1\u0159ec\u00ed operace bez vzniku trhlin. Typick\u00e9 pou\u017eit\u00ed zahrnuje dekorativn\u00ed li\u0161ty, elektroinstala\u010dn\u00ed trubky a vzduchovody vy\u017eaduj\u00edc\u00ed oh\u00fdb\u00e1n\u00ed na m\u00edst\u011b.<\/p>\n<h3>\u010ctvercov\u00e1 trubka 3003-H14 (polotvrd\u00e1)<\/h3>\n<p>H14 je nejb\u011b\u017en\u011bji skladovan\u00fd stav pro \u010dtvercovou trubku 3003. Vyva\u017euje st\u0159edn\u00ed pevnost (tah 115\u2013180 MPa, mez kluzu \u2265 50 MPa) s dostate\u010dnou ta\u017enost\u00ed pro standardn\u00ed zpracov\u00e1n\u00ed. Trubka H14 je vhodn\u00e1 pro univerz\u00e1ln\u00ed konstruk\u010dn\u00ed r\u00e1my, kryty za\u0159\u00edzen\u00ed a n\u00e1bytek, kde je st\u00e1le pot\u0159eba ur\u010dit\u00e9 tv\u00e1\u0159en\u00ed, ale je po\u017eadov\u00e1na vy\u0161\u0161\u00ed tuhost ve srovn\u00e1n\u00ed se stavem O.<\/p>\n<h3>\u010ctvercov\u00e1 trubka 3003-H22 (\u010dtvrt\u00e1 tvrdost)<\/h3>\n<p>Stav H22 poskytuje m\u00edrn\u011b ni\u017e\u0161\u00ed pevnost ne\u017e H14, ale zachov\u00e1v\u00e1 vy\u0161\u0161\u00ed tv\u00e1\u0159itelnost. Pevnost v tahu se pohybuje v rozmez\u00ed 95\u2013155 MPa. B\u00fdv\u00e1 specifikov\u00e1n, kdy\u017e je po dod\u00e1n\u00ed vy\u017eadov\u00e1no m\u00edrn\u00e9 oh\u00fdb\u00e1n\u00ed nebo tv\u00e1\u0159en\u00ed v\u00e1lcov\u00e1n\u00edm, ale hotov\u00fd d\u00edl mus\u00ed st\u00e1le n\u00e9st lehk\u00e1 zat\u00ed\u017een\u00ed.<\/p>\n<h3>\u010ctvercov\u00e1 trubka 3003 \u2014 referen\u010dn\u00ed rozm\u011bry a hmotnost<\/h3>\n<p>N\u00ed\u017ee je uveden reprezentativn\u00ed v\u00fdb\u011br b\u011b\u017en\u00fdch rozm\u011br\u016f pr\u016f\u0159ezu. Vlastn\u00ed rozm\u011bry mimo tuto \u0159adu jsou k dispozici na vy\u017e\u00e1d\u00e1n\u00ed.<\/p>\n<table>\n<tr>\n<th>Vn\u011bj\u0161\u00ed strana (mm)<\/th>\n<th>Tlou\u0161\u0165ka st\u011bny (mm)<\/th>\n<th>P\u0159ibli\u017en\u00e1 hmotnost (kg\/m)<\/th>\n<th>Standardn\u00ed d\u00e9lka<\/th>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>1.0<\/td>\n<td>0.10<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>1.0<\/td>\n<td>0.16<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>1.5<\/td>\n<td>0.23<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>1.0<\/td>\n<td>0.21<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>1.5<\/td>\n<td>0.31<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>1.5<\/td>\n<td>0.39<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>2.0<\/td>\n<td>0.51<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>1.5<\/td>\n<td>0.48<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>2.0<\/td>\n<td>0.63<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>40<\/td>\n<td>2.0<\/td>\n<td>0.86<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>40<\/td>\n<td>3.0<\/td>\n<td>1.24<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>2.0<\/td>\n<td>1.08<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>3.0<\/td>\n<td>1.57<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>60<\/td>\n<td>2.0<\/td>\n<td>1.30<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>60<\/td>\n<td>3.0<\/td>\n<td>1.91<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>2.5<\/td>\n<td>2.20<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>3.0<\/td>\n<td>2.61<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>3.0<\/td>\n<td>3.28<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>4.0<\/td>\n<td>4.27<\/td>\n<td>1000\u20136000<\/td>\n<\/tr>\n<\/table>\n<p><strong>Pozn\u00e1mky:<\/strong> Hmotnosti jsou p\u0159ibli\u017en\u00e9, vypo\u010dten\u00e9 p\u0159i hustot\u011b 2,73 g\/cm\u00b3. Standardn\u00ed d\u00e9lky jsou 1\u20136 m; vlastn\u00ed d\u00e9lky a kombinace st\u011bn\/stran mimo v\u00fd\u0161e uvedenou tabulku jsou k dispozici s b\u011b\u017en\u00fdmi dodac\u00edmi lh\u016ftami 10\u201360 dn\u00ed.<\/p>\n<h2>Specifikace a ekvivalentn\u00ed ozna\u010den\u00ed<\/h2>\n<table>\n<tr>\n<th>Specifikace<\/th>\n<th>Detail<\/th>\n<\/tr>\n<tr>\n<td>Ozna\u010den\u00ed UNS<\/td>\n<td>A93003<\/td>\n<\/tr>\n<tr>\n<td>Ozna\u010den\u00ed EN<\/td>\n<td>EN AW-3003 (AlMn1Cu)<\/td>\n<\/tr>\n<tr>\n<td>\u010c\u00edslo materi\u00e1lu DIN<\/td>\n<td>3.0517<\/td>\n<\/tr>\n<tr>\n<td>Hlavn\u00ed norma<\/td>\n<td>ASTM B221 (Vytla\u010dovan\u00e9 hlin\u00edkov\u00e9 trubky)<\/td>\n<\/tr>\n<tr>\n<td>\u010c\u00ednsk\u00e1 norma<\/td>\n<td>GB\/T 6893<\/td>\n<\/tr>\n<tr>\n<td>Norma JIS<\/td>\n<td>H 4080<\/td>\n<\/tr>\n<tr>\n<td>S\u00e9rie<\/td>\n<td>3xxx (zpevn\u011bn\u00e1 manganem, tepeln\u011b nezpracovateln\u00e1)<\/td>\n<\/tr>\n<\/table>\n<h2>Chemick\u00e9 slo\u017een\u00ed<\/h2>\n<p>Dle ASTM B221 \/ GB\/T 3190 je chemick\u00e9 slo\u017een\u00ed slitiny 3003 n\u00e1sleduj\u00edc\u00ed:<\/p>\n<table>\n<tr>\n<th>Prvek<\/th>\n<th>Obsah (%)<\/th>\n<\/tr>\n<tr>\n<td>Si<\/td>\n<td>0,6 max<\/td>\n<\/tr>\n<tr>\n<td>Fe<\/td>\n<td>0,7 max<\/td>\n<\/tr>\n<tr>\n<td>Cu<\/td>\n<td>0,05\u20130,20<\/td>\n<\/tr>\n<tr>\n<td>Mn<\/td>\n<td>1,0\u20131,5<\/td>\n<\/tr>\n<tr>\n<td>Mg<\/td>\n<td>0,05 max*<\/td>\n<\/tr>\n<tr>\n<td>Zn<\/td>\n<td>0,10 max<\/td>\n<\/tr>\n<tr>\n<td>Ostatn\u00ed: ka\u017ed\u00fd prvek<\/td>\n<td>0,05 max<\/td>\n<\/tr>\n<tr>\n<td>Ostatn\u00ed: celkem<\/td>\n<td>0,15 max<\/td>\n<\/tr>\n<tr>\n<td>Al<\/td>\n<td>Bilance<\/td>\n<\/tr>\n<\/table>\n<p>* Limit ho\u0159\u010d\u00edku plat\u00ed, kdy\u017e je Mn pod 1,0 %; jinak nen\u00ed ho\u0159\u010d\u00edk v n\u011bkter\u00fdch referenc\u00edch samostatn\u011b specifikov\u00e1n. Ov\u011b\u0159te podle konkr\u00e9tn\u00edho vyd\u00e1n\u00ed normy, kter\u00e9 se vztahuje na va\u0161i objedn\u00e1vku.<\/p>\n<h2>Mechanick\u00e9 vlastnosti podle zp\u016fsobu temperov\u00e1n\u00ed<\/h2>\n<p>N\u00e1sleduj\u00edc\u00ed hodnoty p\u0159edstavuj\u00ed typick\u00e1 rozmez\u00ed pro hlin\u00edkovou trubku 3003 dle ASTM B221. Skute\u010dn\u00e9 vlastnosti z\u00e1vis\u00ed na tlou\u0161\u0165ce st\u011bny a v\u00fdrobn\u00ed \u0161ar\u017ei; v\u017edy potvr\u010fte s certifik\u00e1tem MTC dodan\u00fdm s va\u0161\u00ed objedn\u00e1vkou.<\/p>\n<table>\n<tr>\n<th>Temperament<\/th>\n<th>Pevnost v tahu (MPa)<\/th>\n<th>Mez kluzu (MPa)<\/th>\n<th>Prodlou\u017een\u00ed (%)<\/th>\n<\/tr>\n<tr>\n<td>O<\/td>\n<td>75\u2013130<\/td>\n<td>\u2264 40<\/td>\n<td>\u2265 30<\/td>\n<\/tr>\n<tr>\n<td>H12<\/td>\n<td>95\u2013155<\/td>\n<td>\u2265 35<\/td>\n<td>\u2265 12<\/td>\n<\/tr>\n<tr>\n<td>H14<\/td>\n<td>115\u2013180<\/td>\n<td>\u2265 50<\/td>\n<td>\u2265 8<\/td>\n<\/tr>\n<tr>\n<td>H16<\/td>\n<td>135\u2013200<\/td>\n<td>\u2265 70<\/td>\n<td>\u2265 5<\/td>\n<\/tr>\n<tr>\n<td>H22<\/td>\n<td>95\u2013155<\/td>\n<td>\u2265 30<\/td>\n<td>\u2265 16<\/td>\n<\/tr>\n<tr>\n<td>H24<\/td>\n<td>115\u2013180<\/td>\n<td>\u2265 40<\/td>\n<td>\u2265 10<\/td>\n<\/tr>\n<\/table>\n<p><strong>Kl\u00ed\u010dov\u00fd bod:<\/strong> U stav\u016f zpevn\u011bn\u00fdch deformac\u00ed (H1x) \u010d\u00edslo za p\u00edsmenem H ud\u00e1v\u00e1 stupe\u0148 tv\u00e1\u0159en\u00ed za studena: H12 a H22 \u2192 \u010dtvrt\u00e1 tvrdost, H14 a H24 \u2192 polotvrdost, H16 \u2192 t\u0159\u00ed\u010dtvrte\u010dn\u00ed tvrdost. Stavy H2x jsou zpevn\u011bny deformac\u00ed a pot\u00e9 \u010d\u00e1ste\u010dn\u011b \u017e\u00edh\u00e1ny, co\u017e poskytuje podobnou pevnost jako H1x s vy\u0161\u0161\u00ed ta\u017enost\u00ed.<\/p>\n<h2>Pr\u016fvodce v\u00fdb\u011brem tvrzenosti<\/h2>\n<p>Volba spr\u00e1vn\u00e9ho stavu pro va\u0161i \u010dtvercovou trubku 3003 z\u00e1vis\u00ed na po\u017eadavc\u00edch na zpracov\u00e1n\u00ed a provozn\u00edm zat\u00ed\u017een\u00ed:<\/p>\n<table>\n<tr>\n<th>Temperament<\/th>\n<th>Nejlep\u0161\u00ed pro<\/th>\n<th>Tvarovatelnost<\/th>\n<th>S\u00edla<\/th>\n<\/tr>\n<tr>\n<td>O<\/td>\n<td>V\u00fdrazn\u00e9 oh\u00fdb\u00e1n\u00ed, roz\u0161i\u0159ov\u00e1n\u00ed, roztahov\u00e1n\u00ed<\/td>\n<td>Nejvy\u0161\u0161\u00ed<\/td>\n<td>Nejni\u017e\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td>H12 \/ H22<\/td>\n<td>M\u00edrn\u00e9 tv\u00e1\u0159en\u00ed s lehk\u00fdm zat\u00ed\u017een\u00edm<\/td>\n<td>Dobr\u00fd<\/td>\n<td>N\u00edzk\u00e1\u2013st\u0159edn\u00ed<\/td>\n<\/tr>\n<tr>\n<td>H14 \/ H24<\/td>\n<td>V\u0161eobecn\u00e9 zpracov\u00e1n\u00ed, konstruk\u010dn\u00ed r\u00e1my, kryty<\/td>\n<td>Spravedliv\u00e9<\/td>\n<td>M\u00edrn\u00e1<\/td>\n<\/tr>\n<tr>\n<td>H16<\/td>\n<td>Vysok\u00e1 tuhost, minim\u00e1ln\u00ed dotv\u00e1\u0159en\u00ed<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>Vy\u0161\u0161\u00ed<\/td>\n<\/tr>\n<\/table>\n<p>Pro v\u011bt\u0161inu univerz\u00e1ln\u00edch objedn\u00e1vek \u010dtvercov\u00fdch trubek je H14 v\u00fdchoz\u00edm skladovan\u00fdm stavem spole\u010dnosti Linsy. Pokud v\u00e1\u0161 projekt vy\u017eaduje v\u00fdrazn\u00e9 oh\u00fdb\u00e1n\u00ed po dod\u00e1n\u00ed, po\u017eadujte stav O nebo H22.<\/p>\n<h2>Kl\u00ed\u010dov\u00e9 charakteristiky<\/h2>\n<h3>Odolnost proti korozi<\/h3>\n<p>Slitina 3003 dob\u0159e odol\u00e1v\u00e1 atmosf\u00e9rick\u00e9, sladkovodn\u00ed a m\u00edrn\u00e9 chemick\u00e9 korozi d\u00edky p\u0159\u00eddavku manganu, kter\u00fd stabilizuje vrstvu oxidu hlinit\u00e9ho. Je \u0161iroce pou\u017e\u00edv\u00e1na v chemick\u00e9m zpracov\u00e1n\u00ed, n\u00e1mo\u0159n\u00edch li\u0161t\u00e1ch v post\u0159ikov\u00e9 z\u00f3n\u011b a za\u0159\u00edzen\u00edch p\u0159ich\u00e1zej\u00edc\u00edch do styku s potravinami, kde z\u00e1le\u017e\u00ed na dlouhodob\u00e9 odolnosti proti korozi. Pro agresivn\u00ed pono\u0159en\u00ed do slan\u00e9 vody zva\u017ete slitiny 5083 nebo 5052, kter\u00e9 nab\u00edzej\u00ed vy\u0161\u0161\u00ed n\u00e1mo\u0159n\u00ed v\u00fdkonnost.<\/p>\n<h3>Tva\u0159itelnost a sva\u0159itelnost<\/h3>\n<p>Slitina 3003 je jednou z nejsn\u00e1ze tv\u00e1\u0159iteln\u00fdch a sva\u0159iteln\u00fdch hlin\u00edkov\u00fdch slitin. Ve stavu O m\u016f\u017ee b\u00fdt oh\u00fdb\u00e1na do mal\u00fdch polom\u011br\u016f bez vzniku trhlin. V\u0161echny stavy lze sva\u0159ovat metodami TIG a MIG s pou\u017eit\u00edm p\u0159\u00eddavn\u00e9ho dr\u00e1tu 4043 nebo 5356. Proto\u017ee slitina 3003 nen\u00ed tepeln\u011b zpracovateln\u00e1, svarov\u00e9 z\u00f3ny neztr\u00e1cej\u00ed pevnost rozpou\u0161t\u011bn\u00edm precipit\u00e1t\u016f \u2014 jedin\u00fdm sn\u00ed\u017een\u00edm pevnosti je lok\u00e1ln\u00ed \u017e\u00edh\u00e1n\u00ed v tepeln\u011b ovlivn\u011bn\u00e9 z\u00f3n\u011b, kter\u00e9 lze zm\u00edrnit pou\u017eit\u00edm tv\u00e1\u0159en\u00e9ho z\u00e1kladn\u00edho materi\u00e1lu mimo svar.<\/p>\n<h3>M\u00edrn\u00e1 s\u00edla<\/h3>\n<p>D\u00edky manganu, kter\u00fd poskytuje p\u0159ibli\u017en\u011b 20% n\u00e1r\u016fst pevnosti oproti \u010dist\u00e9mu hlin\u00edku, je \u010dtvercov\u00e1 trubka 3003 dostate\u010dn\u00e1 pro lehk\u00e1 konstruk\u010dn\u00ed zat\u00ed\u017een\u00ed, r\u00e1my za\u0159\u00edzen\u00ed a dekorativn\u00ed aplikace. Nen\u00ed ur\u010dena pro t\u011b\u017ek\u00e1 nosn\u00e1 zat\u00ed\u017een\u00ed. Pokud v\u00e1\u0161 n\u00e1vrh vy\u017eaduje vy\u0161\u0161\u00ed konstruk\u010dn\u00ed pevnost (tah \u2265 240 MPa), jsou vhodn\u011bj\u0161\u00ed alternativou v r\u00e1mci \u0159ady 6xxx slitiny 6061-T6 nebo 6063-T5.<\/p>\n<h2>Aplikace<\/h2>\n<ul>\n<li>R\u00e1my a veden\u00ed za\u0159\u00edzen\u00ed pro chemick\u00e9 zpracov\u00e1n\u00ed<\/li>\n<li>Vzduchovody a ventila\u010dn\u00ed syst\u00e9my<\/li>\n<li>V\u00fdztuhy a li\u0161ty z\u00e1sobn\u00edk\u016f<\/li>\n<li>Obecn\u00e9 plechov\u00e9 konstruk\u010dn\u00ed r\u00e1my<\/li>\n<li>Podp\u011bry n\u00e1dob pro potraviny a n\u00e1poje<\/li>\n<li>Mo\u0159sk\u00e9 trimovac\u00ed a st\u0159\u00edkac\u00ed z\u00f3nov\u00e9 komponenty<\/li>\n<li>Lehk\u00e9 konstruk\u010dn\u00ed r\u00e1my pro ozna\u010den\u00ed a kryty<\/li>\n<li>R\u00e1my n\u00e1bytku a dekorativn\u00ed architektonick\u00e9 li\u0161ty<\/li>\n<\/ul>\n<h2>Pozn\u00e1mky ke zpracov\u00e1n\u00ed a povrchov\u00e9 \u00faprav\u011b<\/h2>\n<p>\u010ctvercov\u00e1 trubka 3003 je snadno zpracovateln\u00e1:<\/p>\n<ul>\n<li><strong>\u0158ez\u00e1n\u00ed:<\/strong> \u0158ez\u00e1n\u00ed pilou, laserov\u00e9 \u0159ez\u00e1n\u00ed a CNC fr\u00e9zov\u00e1n\u00ed jsou v\u0161echny vhodn\u00e9. Tlou\u0161\u0165ka st\u011bny do 4 mm lze \u010dist\u011b \u0159ezat laserem.<\/li>\n<li><strong>Oh\u00fdb\u00e1n\u00ed:<\/strong> Tempery O a H22 se snadno oh\u00fdbaj\u00ed. H14 vy\u017eaduje v\u011bt\u0161\u00ed polom\u011bry ohybu (minim\u00e1ln\u011b \u2265 2\u20133\u00d7 vn\u011bj\u0161\u00ed d\u00e9lka strany). H16 by se m\u011bl pro ostr\u00e9 ohyby vylou\u010dit.<\/li>\n<li><strong>Sva\u0159ov\u00e1n\u00ed:<\/strong> Sva\u0159ov\u00e1n\u00ed TIG a MIG s p\u0159\u00eddavn\u00fdm materi\u00e1lem ER4043 nebo ER5356. Nen\u00ed nutn\u00e9 \u017e\u00e1dn\u00e9 p\u0159ed- ani posva\u0159ovac\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed. Tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na se lok\u00e1ln\u011b vrac\u00ed k temperu O.<\/li>\n<li><strong>Povrchov\u00e9 \u00fapravy:<\/strong> Povrch z v\u00e1lcovny (standard), eloxov\u00e1n\u00ed (bezbarv\u00e9 nebo barevn\u00e9 pro architektonick\u00e9 pou\u017eit\u00ed), pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed, le\u0161t\u011bn\u00ed a ochrann\u00e1 PVC f\u00f3lie b\u011bhem p\u0159epravy.<\/li>\n<\/ul>\n<p>Pro p\u0159esn\u011b \u0159ezan\u00e9 nebo oh\u00fdban\u00e9 \u010dtvercov\u00e9 trubky dodejte v\u00fdkresy s tolerancemi. Spole\u010dnost Linsy m\u016f\u017ee CNC \u0159ezat na d\u00e9lku \u00b11 mm a oh\u00fdbat na po\u017eadovan\u00e9 polom\u011bry na vy\u017e\u00e1d\u00e1n\u00ed.<\/p>\n<h2>Kvalitn\u00ed dokumentace a kontrola<\/h2>\n<p>Ka\u017ed\u00e1 objedn\u00e1vka \u010dtvercov\u00e9 hlin\u00edkov\u00e9 trubky 3003 od spole\u010dnosti Linsy je doprov\u00e1zena:<\/p>\n<ul>\n<li><strong>Certifik\u00e1t o zkou\u0161ce v tov\u00e1rn\u011b (MTC)<\/strong> \u2014 potvrzuje chemick\u00e9 slo\u017een\u00ed, mechanick\u00e9 vlastnosti a temper pro ka\u017edou v\u00fdrobn\u00ed \u0161ar\u017ei<\/li>\n<li><strong>Zpr\u00e1va o rozm\u011brov\u00e9 kontrole<\/strong> \u2014 vn\u011bj\u0161\u00ed strana, tlou\u0161\u0165ka st\u011bny, p\u0159\u00edmost a d\u00e9lka m\u011b\u0159en\u00e9 podle toleran\u010dn\u00edch t\u0159\u00edd ASTM B221<\/li>\n<li><strong>Protokol o zkou\u0161ce t\u0159et\u00ed stranou SGS<\/strong> \u2014 k dispozici na vy\u017e\u00e1d\u00e1n\u00ed pro kupuj\u00edc\u00ed vy\u017eaduj\u00edc\u00ed nez\u00e1visl\u00e9 ov\u011b\u0159en\u00ed<\/li>\n<\/ul>\n<p>Spole\u010dnost Linsy pracuje v r\u00e1mci certifikovan\u00fdch syst\u00e9m\u016f ISO 9001 (management kvality), ISO 14001 (environment\u00e1ln\u00ed management) a ISO 45001 (management bezpe\u010dnosti a ochrany zdrav\u00ed p\u0159i pr\u00e1ci). Protokoly o zkou\u0161k\u00e1ch SGS jsou dokumenty o ov\u011b\u0159en\u00ed t\u0159et\u00ed stranou, nikoli firemn\u00ed certifik\u00e1ty.<\/p>\n<h2>Pro\u010d zvolit spole\u010dnost Linsy pro \u010dtvercovou trubku 3003<\/h2>\n<p>Linsy Aluminum je tov\u00e1rna se s\u00eddlem v Shenzhenu s v\u00edce ne\u017e 20 lety zku\u0161enost\u00ed s dod\u00e1vkami hlin\u00edkov\u00fdch produkt\u016f \u0159ad 1000\u20138000, v\u010detn\u011b trubek, ty\u010d\u00ed, plech\u016f, svitk\u016f, dr\u00e1t\u016f a profil\u016f. Konkr\u00e9tn\u011b pro \u010dtvercovou trubku 3003:<\/p>\n<ul>\n<li><strong>Flexibilita temper\u016f:<\/strong> K dispozici tempery O, H12, H14, H16, H22, H24<\/li>\n<li><strong>Rozsah rozm\u011br\u016f:<\/strong> Vn\u011bj\u0161\u00ed strana 10\u2013100 mm, st\u011bna 0,8\u20135 mm, rozm\u011bry na zak\u00e1zku na vy\u017e\u00e1d\u00e1n\u00ed<\/li>\n<li><strong>Vlastn\u00ed d\u00e9lky:<\/strong> \u0158ez\u00e1n\u00ed na d\u00e9lku nebo standardn\u00ed ty\u010de 1\u20136 m; typick\u00e1 dodac\u00ed lh\u016fta 10\u201360 dn\u00ed pro vlastn\u00ed specifikace<\/li>\n<li><strong>MTC v cen\u011b:<\/strong> Ka\u017ed\u00e1 z\u00e1silka je doprov\u00e1zena certifik\u00e1tem o zkou\u0161ce z v\u00e1lcovny (Mill Test Certificate)<\/li>\n<li><strong>Glob\u00e1ln\u00ed dod\u00e1vky:<\/strong> Export do v\u00edce ne\u017e 20 zem\u00ed s konkurenceschopnou p\u0159epravou<\/li>\n<\/ul>\n<p>A\u0165 u\u017e pot\u0159ebujete n\u011bkolik kus\u016f pro prototyp nebo s\u00e9riovou v\u00fdrobu pro projekt OEM, spole\u010dnost Linsy vyhov\u00ed velikosti va\u0161\u00ed objedn\u00e1vky a dodac\u00edmu harmonogramu.<\/p>\n<h2>Souvisej\u00edc\u00ed zdroje<\/h2>\n<p>Pro hlub\u0161\u00ed technick\u00e9 informace o slitin\u011b 3003 a srovn\u00e1n\u00ed s alternativami:<\/p>\n<ul>\n<li><a href=\"https:\/\/premiumalu.com\/cs\/zvladnuti-slitiny-hliniku-3003-komplexni-pruvodce\/\">Komplexn\u00ed pr\u016fvodce slitinou hlin\u00edku 3003<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/cs\/najdete-si-dokonalou-hlinikovou-slitinu-3003-h14-jeste-dnes\/\">Pr\u016fvodce hlin\u00edkem 3003 H14 \u2014 vlastnosti, tempery a pou\u017eit\u00ed<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/cs\/vyber-dokonaleho-hlinikoveho-plechu-3104-vs-3003-vs-3004-slitiny\/\">Hlin\u00edk 3104 vs 3003 vs 3004 \u2014 kter\u00e1 slitina plechu se hod\u00ed pro v\u00e1\u0161 projekt?<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/cs\/3003-vs-6061-v-hloubkovem-srovnani\/\">Hlin\u00edk 3003 vs 6061 \u2014 podrobn\u00e9 srovn\u00e1n\u00ed<\/a><\/li>\n<\/ul>\n<h2>\u010cast\u00e9 dotazy k \u010dtvercov\u00e9 hlin\u00edkov\u00e9 trubce 3003<\/h2>\n<h3>Jak\u00e9 rozm\u011bry \u010dtvercov\u00e9 trubky 3003 spole\u010dnost Linsy dod\u00e1v\u00e1?<\/h3>\n<p>Standardn\u00ed rozm\u011bry vn\u011bj\u0161\u00ed strany se pohybuj\u00ed od 10 mm do 100 mm s tlou\u0161\u0165kou st\u011bny od 0,8 mm do 5 mm. Vlastn\u00ed rozm\u011bry pr\u016f\u0159ezu mimo tento rozsah lze vyrobit s typickou dodac\u00ed lh\u016ftou 10\u201360 dn\u00ed.<\/p>\n<h3>Lze \u010dtvercovou trubku 3003 sva\u0159ovat?<\/h3>\n<p>Ano. Slitina 3003 m\u00e1 vynikaj\u00edc\u00ed sva\u0159itelnost metodami TIG nebo MIG. Doporu\u010den\u00e9 p\u0159\u00eddavn\u00e9 dr\u00e1ty jsou ER4043 (pro obecn\u00e9 sva\u0159ov\u00e1n\u00ed) nebo ER5356 (pokud je pot\u0159eba vy\u0161\u0161\u00ed pevnost svaru). Proto\u017ee slitina 3003 nen\u00ed tepeln\u011b zpracovateln\u00e1, nedoch\u00e1z\u00ed ke ztr\u00e1t\u011b pevnosti v d\u016fsledku rozpou\u0161t\u011bn\u00ed precipit\u00e1t\u016f v oblasti svaru.<\/p>\n<h3>Je \u010dtvercov\u00e1 trubka 3003 vhodn\u00e1 pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed?<\/h3>\n<p>Slitina 3003 nab\u00edz\u00ed dobrou odolnost proti sladk\u00e9 vod\u011b a m\u00edrn\u00e9 atmosf\u00e9rick\u00e9 korozi. Pro \u00fapln\u00e9 pono\u0159en\u00ed do slan\u00e9 vody nebo provoz ve st\u0159\u00edkac\u00ed z\u00f3n\u011b jsou vhodn\u011bj\u0161\u00ed slitiny 5083 nebo 5052 kv\u016fli vy\u0161\u0161\u00edmu obsahu ho\u0159\u010d\u00edku a n\u00e1mo\u0159n\u00ed kvalit\u011b.<\/p>\n<h3>Jak\u00fd je rozd\u00edl mezi tempery H14 a H24?<\/h3>\n<p>H14 je zpevn\u011bn deformac\u00ed do polotvrd\u00e9ho stavu p\u0159\u00edmo tv\u00e1\u0159en\u00edm za studena. H24 je zpevn\u011bn deformac\u00ed a pot\u00e9 \u010d\u00e1ste\u010dn\u011b \u017e\u00edh\u00e1n. Oba dosahuj\u00ed podobn\u00e9 pevnosti v tahu (~115\u2013180 MPa), ale H24 si zachov\u00e1v\u00e1 m\u00edrn\u011b vy\u0161\u0161\u00ed ta\u017enost (prodlou\u017een\u00ed \u2265 10% vs \u2265 8%), proto\u017ee \u010d\u00e1ste\u010dn\u00e9 \u017e\u00edh\u00e1n\u00ed uvol\u0148uje vnit\u0159n\u00ed pnut\u00ed bez \u00fapln\u00e9ho n\u00e1vratu k temperu O.<\/p>\n<h3>Jak\u00e9 tolerance se vztahuj\u00ed na rozm\u011bry \u010dtvercov\u00e9 trubky 3003?<\/h3>\n<p>Podle normy ASTM B221 jsou typick\u00e9 tolerance pro extrudovan\u00e9 hlin\u00edkov\u00e9 trubky: vn\u011bj\u0161\u00ed strana \u00b10,25 mm (pro rozm\u011bry \u2264 50 mm) a tlou\u0161\u0165ka st\u011bny \u00b110% jmenovit\u00e9 hodnoty. Tolerance p\u0159\u00edmosti je obvykle 1,5 mm na 3 m d\u00e9lky. P\u0159\u00edsn\u011bj\u0161\u00ed tolerance lze dohodnout pro zak\u00e1zkov\u00e9 objedn\u00e1vky.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky k objedn\u00e1vk\u00e1m obecn\u011b<\/h2>\n<h3>Jak\u00e9 je minim\u00e1ln\u00ed mno\u017estv\u00ed objedn\u00e1vky (MOQ)?<\/h3>\n<p>Spole\u010dnost Linsy podporuje n\u00edzk\u00e9 minim\u00e1ln\u00ed objednac\u00ed mno\u017estv\u00ed (MOQ) pro zku\u0161ebn\u00ed objedn\u00e1vky. Pro standardn\u00ed rozm\u011bry a tempery ze skladov\u00fdch z\u00e1sob jsou MOQ obvykle n\u011bkolik set kilogram\u016f. Pro pln\u011b vlastn\u00ed specifikace mohou b\u00fdt MOQ vy\u0161\u0161\u00ed \u2014 kontaktujte n\u00e1\u0161 t\u00fdm pro va\u0161e konkr\u00e9tn\u00ed po\u017eadavky.<\/p>\n<h3>Jak dlouho trv\u00e1 dod\u00e1n\u00ed?<\/h3>\n<p>Standardn\u00ed rozm\u011bry z dostupn\u00fdch skladov\u00fdch z\u00e1sob: 7\u201315 pracovn\u00edch dn\u00ed (tuzemsko) nebo 15\u201330 pracovn\u00edch dn\u00ed (mezin\u00e1rodn\u00ed). Vlastn\u00ed specifikace: typick\u00e1 dodac\u00ed lh\u016fta 10\u201360 dn\u00ed v z\u00e1vislosti na rozm\u011bru, temperu a mno\u017estv\u00ed.<\/p>\n<h3>Jak\u00e9 dokumenty o kvalit\u011b jsou sou\u010d\u00e1st\u00ed m\u00e9 objedn\u00e1vky?<\/h3>\n<p>Ka\u017ed\u00e1 objedn\u00e1vka obsahuje certifik\u00e1t o zkou\u0161ce z v\u00e1lcovny (MTC) potvrzuj\u00edc\u00ed chemick\u00e9 slo\u017een\u00ed, mechanick\u00e9 vlastnosti a temper. Protokoly o zkou\u0161k\u00e1ch t\u0159et\u00ed stranou SGS jsou k dispozici na vy\u017e\u00e1d\u00e1n\u00ed pro kupuj\u00edc\u00ed vy\u017eaduj\u00edc\u00ed nez\u00e1visl\u00e9 ov\u011b\u0159en\u00ed.<\/p>\n<h3>M\u016f\u017ee spole\u010dnost Linsy \u0159ezat nebo oh\u00fdbat \u010dtvercovou trubku podle m\u00fdch specifikac\u00ed?<\/h3>\n<p>Ano. Spole\u010dnost Linsy nab\u00edz\u00ed CNC \u0159ez\u00e1n\u00ed na d\u00e9lku (tolerance \u00b11 mm), oh\u00fdb\u00e1n\u00ed na po\u017eadovan\u00e9 polom\u011bry a povrchov\u00e9 \u00fapravy (eloxov\u00e1n\u00ed, pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed, le\u0161t\u011bn\u00ed). Dodr\u017ete sv\u00e9 v\u00fdkresy nebo specifikace a n\u00e1\u0161 technick\u00fd t\u00fdm potvrd\u00ed proveditelnost a dodac\u00ed lh\u016ftu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hlin\u00edkov\u00e1 \u010dtvercov\u00e1 trubka 3003 poskytuje vynikaj\u00edc\u00ed sva\u0159itelnost, odolnost proti korozi a tv\u00e1\u0159itelnost ve slitin\u011b nezpracovateln\u00e9 tepeln\u00fdm zpracov\u00e1n\u00edm. Dod\u00e1v\u00e1 se v temperech O (\u017e\u00edhan\u00fd), H14 (polotvrd\u00fd) a H22 (\u010dtvrtina tvrdosti) a je vhodn\u00e1 pro vzduchotechnick\u00e9 potrub\u00ed, chemick\u00e1 za\u0159\u00edzen\u00ed, z\u00e1sobn\u00edky a lehk\u00e9 konstruk\u010dn\u00ed r\u00e1my, kde z\u00e1le\u017e\u00ed na snadn\u00e9 v\u00fdrob\u011b a dlouh\u00e9 \u017eivotnosti.<\/p>\n<p>\n<strong>Dostupn\u00e9 formul\u00e1\u0159e:<\/strong> \u010dtvercov\u00e1 trubka (vlastn\u00ed rozm\u011bry pr\u016f\u0159ezu)<br \/>\n<strong>B\u011b\u017en\u00e9 typy povah:<\/strong> O \/ H12 \/ H14 \/ H16 \/ H22 \/ H24<br \/>\n<strong>Podpora zpracov\u00e1n\u00ed:<\/strong> CNC \u0159ez\u00e1n\u00ed \/ oh\u00fdb\u00e1n\u00ed \/ sva\u0159ov\u00e1n\u00ed \/ eloxov\u00e1n\u00ed \/ pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<br \/>\n<strong>Dokumenty t\u00fdkaj\u00edc\u00ed se kvality:<\/strong> Protokol o zkou\u0161ce z materi\u00e1lu (MTC) s ka\u017edou objedn\u00e1vkou<\/p>","protected":false},"featured_media":9064,"template":"","meta":{"_seopress_titles_title":"3003 Aluminum Square Tube Supplier | Linsy Aluminum","_seopress_titles_desc":"3003 aluminum square tube in O, H14, H22 tempers. Weldable, corrosion-resistant. ASTM B221 compliant. Custom sizes, MTC included. 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