5083-H32/H111/H116 铝方棒

What Is 5083 Aluminum Square Bar?

5083 Aluminum Square Bar is a non-heat-treatable aluminum-magnesium alloy (AlMg4.5Mn0.7) supplied by Linsy Aluminum. It is one of the strongest work-hardenable grades and is widely specified for marine, offshore, and cryogenic service because of its excellent resistance to seawater corrosion and its ability to retain strength after welding. Common tempers include O, H111, H112, H116, and H321.

Available 5083 Aluminum Products

5083 Square Bar — Standard Sizes

Side Length	6 – 200 mm
长度	1000 – 6000 mm (custom)
Common Tempers	O, H111, H112, H116, H321
标准	ASTM B221, EN 755, GB/T 3191

Dimensions can be customized to customer drawings. Share your required size and temper for a quote.

规格与等效牌号

标准	名称
AA / UNS	5083 / A95083
EN	EN AW-AlMg4.5Mn0.7
国际标准化组织	AlMg4.5Mn0.7
GB/T	5A05 (closest domestic grade)
JIS	A5083

化学成分

The composition below follows the AA 5083 specification (AlMg4.5Mn0.7). Values are typical ranges; the supplied MTC reports the actual analysis of your lot.

要素	百分比 %
Si	0.40（上限）
铁	0.40（上限）
铜	最大 0.10
锰	0.40 – 1.00
镁	4.00 – 4.90
Cr	0.05 – 0.25
锌	最大 0.25
Ti	0.15 最大值
其他（每项）	0.05 最大值
其他（共计）	0.15 最大值
Al	平衡

不同回火状态下的力学性能

Values below are typical room-temperature properties for 5083 bar and extrusion. Actual results depend on temper and section size and are reported on the MTC.

脾气	拉伸强度（兆帕）	屈服强度（兆帕）	伸长率 (%)	布氏硬度
O	275 – 350	110 – 145	16 – 21	~75
H111	275 – 350	≥175	16	~75
H112	≥275	≥125	≥12	~75
H116 / H321	305 – 385	≥215	≥10	~85
H32	305 – 345	≥215	≥12	~85

硬度选择指南

• O (annealed): maximum ductility and corrosion resistance; used where forming is required.
• H111 / H112: minor strain-hardened or as-fabricated; good general structural use.
• H116 / H321: strain-hardened and stabilized for marine plate and extrusions; the default choice for shipbuilding and offshore structures.
• H32: strain-hardened to half-hard; good for sheet requiring moderate strength and formability.

5083 is non-heat-treatable — tempers are produced by strain hardening and stabilization, not by solution heat treatment.

主要特点

高强度

Strong work-hardenable grade suitable for loaded structural components.

耐腐蚀性

Excellent in seawater and aggressive atmospheres.

焊接性

Welds readily with TIG/MIG using ER5183 or ER5356 filler.

成型性

Good ductility in softer tempers for bending and forming.

应用

• Shipbuilding and marine structures
• Pressure vessels
• Cryogenic tanks
• Automotive bodies
• Welded assemblies and drilling rigs

加工与表面处理说明

5083 welds well with conventional processes (TIG/MIG) and retains most of its strength in the weld zone. For welding filler, ER5183 or ER5356 wire is commonly used. The alloy has only moderate machinability compared with heat-treatable grades, and cutting tools should account for its gummy chip formation.

• Cutting: sawing, CNC machining, laser cutting
• Forming: good in O and soft tempers; springback increases with hardening
• Surface: mill finish standard; anodizing, polishing, powder coating, PVC film available
• Heat input during welding should be controlled to avoid softening of adjacent material

质量文件与检验

Every 5083 order ships with a material test certificate (MTC) that reports the actual chemical analysis and mechanical results for the supplied lot. Third-party SGS test reports are available on request. Standard mill inspections cover dimensional tolerance, surface condition, and tensile verification per the ordered specification.

• MTC (EN 10204 3.1 or equivalent) with every order
• Dimensional and visual inspection at shipment
• Optional ultrasonic or penetration testing for plate and heavy sections
• RoHS and REACH documentation available on request

Why Choose Linsy for 5083 Square Bar

Linsy Aluminum is a Shenzhen-based aluminum manufacturer with over 20 years of production experience, supplying the 1000–8000 series across plate, bar, tube, wire, coil, profile, and block. For 5083 square bar, we support custom dimensions, small minimum order quantities, and short lead times.

• Typical custom lead time: 10–60 days depending on specification
• Processing support: CNC machining, cutting, bending, welding, anodizing, polishing, powder coating
• Certified to ISO 9001, ISO 14001, and ISO 45001
• Material test certificate provided with every order

相关资源

• 5083 铝材终极指南
• 5083 H321 铝材终极指南
• 如何选择 5083 铝板
• Marine Plate: 5052 vs 5083

5083 Aluminum Square Bar FAQ

What side lengths are available for 5083 square bar?

Standard side lengths range from 6 mm to 200 mm, with custom lengths from 1000 mm to 6000 mm available.

Which tempers suit structural use?

H111, H112, H116, and H321 are common for 5083 square bar in marine and structural applications.

Can square bar be machined?

Yes. 5083 machines acceptably with sharp tools and proper coolant; it is gummier than heat-treatable grades.

常见订购问题解答

通常的交货周期是多久？

Custom 5083 orders are usually produced and shipped within 10–60 days, depending on temper, size, and quantity. Contact us with your drawing or specification for a firm schedule.

最小起订量是多少？

We support low minimum order quantities for standard tempers and common sizes. Non-standard dimensions are quoted case by case.

Do you provide a material certificate?

Yes. A material test certificate (MTC) is provided with every order, and third-party SGS test reports are available on request.

Which surface finishes are available?

Mill finish is standard. Anodizing, polishing, powder coating, and PVC film protection can be arranged.

Can you cut to size?

Yes. CNC cutting, sawing, and machining services are available so material arrives closer to your net shape.