6111 铝合金

What Is 6111 Aluminum Alloy?

6111 (EN AW-6111, Al-Mg-Si-Cu) is a heat-treatable 6000-series alloy developed primarily for the automotive industry. It combines strength, corrosion resistance, formability, and good surface quality, making it especially suited to body panels and structural automotive parts. Its ability to age-harden during the paint-bake cycle is a key advantage for lightweight vehicle bodies.

Available 6111 Aluminum Products

形式	常见状态	典型尺寸范围
板材与卷材	T4, T6, T82	厚度0.5–150毫米；宽度500–2600毫米；长度500–12000毫米
棒材（圆棒/方棒/扁棒）	T4, T6, T82	直径/边长6–400毫米；长度1000–6000毫米
管材（圆管/方管）	T4, T6, T82	外径10–400毫米；壁厚1–40毫米；长度1000–6000毫米
线材	T4, T6, T82	0.8–30 毫米
管材	T4, T6	按客户图纸定制

6111 Aluminum Sheet & Coil

The dominant form for automotive outer and inner panels, supplied in T4 (pre-bake) and further strengthened through forming and paint bake.

6111 Aluminum Bar

Round, square, and flat bars for machined and structural components.

6111 Aluminum Tube

Round and square tubes for structural and reinforcement parts.

6111 Aluminum Wire

Drawn wire for welding and assembly.

其他形态（型材/定制）

Extruded profiles to drawing.

6111 Specifications & Equivalent Designations

名称	价值
EN AW	EN AW-6111 (AlMg0.7Si0.5Cu)
UNS	A96111
常见状态	T4, T6, T82
关键特性	Automotive body-sheet alloy (Al-Mg-Si-Cu)
标准	ASTM B209, EN 485, GB/T 3880

Chemical Composition of 6111 Aluminum

要素	成分（重量百分比）
Si	0.50 – 0.90
铁	最大 0.50
铜	0.50 – 0.90
锰	0.15 最大值
镁	0.60 – 1.00
Cr	最大 0.10
锌	最大 0.10
Ti	最大 0.10
其他（每项）	0.05 最大值
其他（共计）	0.15 最大值
Al	剩余

不同回火状态下的力学性能

Typical reference values; confirm against the ordered standard and Linsy’s mill data. Note that 6111 is often supplied as T4 and reaches higher strength after the automotive paint-bake cycle.

脾气	拉伸强度（兆帕）	屈服强度（兆帕）	伸长率（%，分钟）
T4	270	150	18
T6	310	270	12
T82	320	290	11

硬度选择指南

• T4： solution heat treated and naturally aged; supplied for forming before paint bake.
• T6： artificially aged; higher as-supplied strength for structural parts.
• T82: a higher-strength temper variant for demanding panels and reinforcements.

Key Characteristics of 6111 Aluminum

Formability & Surface Quality

Designed for deep drawing and stamping with a clean surface finish for painting.

Strength After Paint Bake

Age-hardens during the paint-bake cycle, gaining strength in the final part.

耐腐蚀性

Good for exposed automotive body applications; compatible with common treatments.

常见应用

• Automotive outer panels (hoods, doors, fenders)
• Automotive structural and crash-relevant parts
• 隔热罩和加固装置
• 电器面板和盖子

加工与表面处理说明

机械加工

6111 machines well in the soft (O) and solution-heat-treated tempers; T6/T651 tempers are stronger and can work-harden at the cutting edge, so sharp tooling and appropriate feeds are recommended.

焊接

6111 is generally weldable using TIG or MIG processes with matching or 4043/5356 filler, depending on the service requirement. Welded zones lose some strength compared with the base temper — design accordingly for structural use.

成形与热处理

成形最好在O或T4状态下进行。最终强度由指定状态决定；未经确认合金响应情况，请勿重新进行热处理。.

表面处理

常见表面处理包括阳极氧化、抛光和粉末喷涂。阳极氧化质量取决于表面预处理，请在生产前确认表面处理要求。.

质量文件与检验

Every 6111 order ships with an MTC. Surface-quality and mechanical checks can be arranged per automotive specifications. Confirm the required standard (ASTM, EN, GB) when ordering.

Why Choose Linsy for 6111 Aluminum

Linsy在深圳设有生产基地，拥有超过20年为全球B2B客户供应铝半成品的经验。我们涵盖1000至8000系列合金，支持标准库存尺寸和按需定制尺寸。.

• 材料范围： 1000–8000 series, including 6111 in the tempers listed above.
• 处理支持： 按图纸提供CNC加工、激光切割、TIG/MIG焊接和去毛刺服务。.
• 表面处理： 可根据要求提供阳极氧化、抛光、粉末喷涂和拉丝表面处理。.
• 质量体系： 运营遵循ISO 9001、ISO 14001及ISO 45001标准。.
• 文件资料： 每份订单均附带MTC（工厂质保书）；如需第三方SGS检测报告，可另行安排。.

相关资源

Explore our other 6111 resources or contact the sales team for specification sheets, sample requests, and RFQ support.

6111 Aluminum FAQ

What is 6111 aluminum used for?

Primarily automotive body panels and structural parts that benefit from formability plus strength after paint bake.

Why is 6111 supplied in T4?

T4 is soft enough to form, then age-hardens during the paint-bake cycle to final strength.

Can 6111 be welded?

It is weldable, but for body applications joining is often by adhesive/bonding and mechanical means; confirm the process for the part.

常见订购问题解答

通常的交货周期是多久？

标准库存产品通常在10至30天内发货。定制尺寸、供货状态或表面处理通常需要30至60天，具体视规格及订单数量而定。.

你们提供工厂测试证书吗？

可以。每份订单均随附MTC，按订购标准报告化学成分及机械性能。.

能否供应定制尺寸和回火状态？

可以。我们供应板材、带材、棒材、管材及型材的标准及按需定制尺寸，并可根据要求安排特定供货状态。.

贵公司遵循哪些质量标准？

运营遵循ISO 9001、ISO 14001及ISO 45001标准。材料可按ASTM、EN、GB或JIS规范供应，视要求而定。.

产品如何包装以供出口？

采用标准适航出口包装并具备防潮措施；具体要求在订单时确认。.