{"id":9040,"date":"2025-09-01T01:57:40","date_gmt":"2025-09-01T01:57:40","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&p=9040"},"modified":"2026-07-08T15:01:11","modified_gmt":"2026-07-08T15:01:11","slug":"5052-alluminio-barra-quadra","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/it\/prodotto\/5052-alluminio-barra-quadra\/","title":{"rendered":"5052-H32\/H34 Barra quadrata in alluminio"},"content":{"rendered":"

What Is 5052 Aluminum Square Bar?<\/h2>\n

5052 aluminum square bar is a solid extruded or drawn product in the 5xxx (Al-Mg) series. Like all 5052 forms, it relies on strain hardening rather than precipitation heat treatment for its strength \u2014 meaning its mechanical properties depend on the temper designation (O, H32, H34) rather than a post-extrusion heat-treatment cycle.<\/p>\n

Square bar is specified when structural members need a uniform cross-section for machining brackets, support frames, or fixture components. Compared to round bar, square bar provides flat reference surfaces that simplify clamping and alignment during CNC machining operations.<\/p>\n

5052 square bar is governed by ASTM B221 (Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes) for extruded product, or ASTM B211 for cold-finished bar.<\/p>\n

Available 5052 Aluminum Products<\/h2>\n

5052 Barra quadrata in alluminio<\/h3>\n

Square bar is available in side-length dimensions from 6 mm to 100 mm. Standard lengths are 1\u20136 m (cut-to-length available). The most common tempers are H32 (for structural stiffness) and O (for maximum formability before machining).<\/p>\n\n\n\n\n
Forma<\/th>\nTemperamento<\/th>\nSide Length (mm)<\/th>\nLength (m)<\/th>\n<\/tr>\n
Square Bar (extruded)<\/td>\nO, H32, H34<\/td>\n6\u2013100<\/td>\n1\u20136 (cut-to-length)<\/td>\n<\/tr>\n
Square Bar (cold-finished)<\/td>\nO, H32, H34<\/td>\n6\u201380<\/td>\n1\u20136 (cut-to-length)<\/td>\n<\/tr>\n<\/table>\n

Other 5052 Forms Available<\/h3>\n

Linsy also supplies 5052 in sheet, plate, round bar, flat bar, round tube, square tube, and wire. See individual product pages for dimension details.<\/p>\n

Specifiche e denominazioni equivalenti<\/h2>\n\n\n\n\n\n\n\n\n
Standard<\/th>\nDenominazione<\/th>\n<\/tr>\n
ASTM<\/td>\nB221 (Extruded), B211 (Cold-finished)<\/td>\n<\/tr>\n
EN \/ AW<\/td>\nEN AW-5052<\/td>\n<\/tr>\n
UNS<\/td>\nA95052<\/td>\n<\/tr>\n
ISO<\/td>\nAl Mg2.5Cr<\/td>\n<\/tr>\n
GB\/T<\/td>\n3190 (5052 \/ LF2 legacy)<\/td>\n<\/tr>\n
JIS<\/td>\nA5052<\/td>\n<\/tr>\n<\/table>\n

Composizione chimica<\/h2>\n

Per ASTM B221 and EN AW-5052. Values in weight percent, maximum unless range is shown.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Elemento<\/th>\nPeso %<\/th>\n<\/tr>\n
Si<\/td>\n0,25 max<\/td>\n<\/tr>\n
Fe<\/td>\n0.40 max<\/td>\n<\/tr>\n
Cu<\/td>\n0,10 max<\/td>\n<\/tr>\n
Mn<\/td>\n0,10 max<\/td>\n<\/tr>\n
Mg<\/td>\n2.2\u20132.8<\/td>\n<\/tr>\n
Cr<\/td>\n0.15\u20130.35<\/td>\n<\/tr>\n
Zn<\/td>\n0,10 max<\/td>\n<\/tr>\n
Altri, ciascuno<\/td>\n0,05 max<\/td>\n<\/tr>\n
Altri, totale<\/td>\n0,15 max<\/td>\n<\/tr>\n
Al<\/td>\nResto<\/td>\n<\/tr>\n<\/table>\n

Propriet\u00e0 meccaniche in base al trattamento termico<\/h2>\n

Typical room-temperature properties per ASM Handbook and ASTM B221\/B211. Values are nominal ranges; actual certificate values accompany each shipment.<\/p>\n\n\n\n\n\n
Temperamento<\/th>\nUTS (MPa)<\/th>\nYield (MPa)<\/th>\nAllungamento %<\/th>\nDurezza (HB)<\/th>\n<\/tr>\n
O (ricotto)<\/td>\n180\u2013210<\/td>\n55\u201370<\/td>\n25\u201330<\/td>\n~45<\/td>\n<\/tr>\n
H32<\/td>\n210\u2013260<\/td>\n175\u2013215<\/td>\n10\u201316<\/td>\n~60<\/td>\n<\/tr>\n
H34<\/td>\n230\u2013280<\/td>\n195\u2013240<\/td>\n6\u201312<\/td>\n~68<\/td>\n<\/tr>\n<\/table>\n

Elastic modulus:<\/strong> 69.3 GPa (all tempers). Density:<\/strong> 2.68 g\/cm\u00b3.<\/p>\n

Guida alla scelta della tempra<\/h2>\n

Choosing the right 5052 square bar temper depends on whether your priority is machinability or structural stiffness.<\/p>\n\n\n\n\n\n
Temperamento<\/th>\nIl migliore per<\/th>\nKey Trade-off<\/th>\n<\/tr>\n
O<\/td>\nForming before final machining, maximum ductility for bending operations<\/td>\nLowest strength; surface may show tool marks more easily<\/td>\n<\/tr>\n
H32<\/td>\nStructural brackets, marine support members, general CNC machining<\/td>\nGood balance of strength (175 MPa yield) and machinability<\/td>\n<\/tr>\n
H34<\/td>\nLoad-bearing frames, fixture components requiring higher stiffness<\/td>\nHigher yield (~195 MPa) but reduced ductility for secondary forming<\/td>\n<\/tr>\n<\/table>\n

Caratteristiche principali<\/h2>\n

Resistenza alla corrosione<\/h3>\n

5052 square bar shares the alloy’s well-known resistance to saltwater and marine atmospheres. The Mg and Cr content forms a stable oxide film that resists pitting in chloride environments. For structural brackets exposed to splash zones or humid coastal conditions, 5052 is significantly more durable than 6xxx alternatives.<\/p>\n

Lavorabilit\u00e0<\/h3>\n

In H32 and H34 tempers, 5052 square bar machines well with standard carbide tooling. It is not as free-cutting as 2011 (which contains lead) or 6262 (which contains Pb and Bi), but for general milling, drilling, and turning operations, 5052 produces acceptable surface finishes. Square bar’s flat reference surfaces simplify workholding and alignment.<\/p>\n

Saldabilit\u00e0<\/h3>\n

All standard welding methods (MIG, TIG, resistance) work well with 5052. No pre- or post-weld heat treatment is required. Recommended filler: 5356 or 5556 for marine service; 4043 for non-marine structural applications.<\/p>\n

Applicazioni<\/h2>\n

5052 square bar is used where corrosion resistance and moderate strength are needed in a machinable solid section:<\/p>\n