6111 알루미늄 합금

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

양식	Common Tempers	Typical Size Range
시트 및 코일	T4, T6, T82	Thickness 0.5–150 mm; Width 500–2600 mm; Length 500–12000 mm
Bar (Round/Square/Flat)	T4, T6, T82	Diameter/side 6–400 mm; Length 1000–6000 mm
Tube (Round/Square)	T4, T6, T82	OD 10–400 mm; Wall 1–40 mm; Length 1000–6000 mm
Wire	T4, T6, T82	0.8–30 mm
프로파일 / 압출	T4, T6	Per customer drawing

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.

Other Forms (Profile / Custom)

Extruded profiles to drawing.

6111 Specifications & Equivalent Designations

명칭	가치
EN AW	EN AW-6111 (AlMg0.7Si0.5Cu)
UNS	A96111
일반적인 템퍼	T4, T6, T82
Key property	Automotive body-sheet alloy (Al-Mg-Si-Cu)
Standards	ASTM B209, EN 485, GB/T 3880

Chemical Composition of 6111 Aluminum

요소	Composition (wt%)
Si	0.50 – 0.90
Fe	0.50 최대
Cu	0.50 – 0.90
Mn	최대 0.15
Mg	0.60 – 1.00
Cr	최대 0.10
Zn	최대 0.10
Ti	최대 0.10
기타(각)	최대 0.05
기타(합계)	최대 0.15
Al	나머지

열처리 상태에 따른 기계적 특성

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.

성질	인장 강도(MPa)	항복 강도(MPa)	Elongation (%, min)
T4	270	150	18
T6	310	270	12
T82	320	290	11

템퍼 선택 가이드

• 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.

내식성

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

일반적인 애플리케이션

• Automotive outer panels (hoods, doors, fenders)
• Automotive structural and crash-relevant parts
• 열 차폐 및 보강재
• 어플라이언스 패널 및 커버

가공 및 표면 마감 참고 사항

가공

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.

Welding

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.

Forming & Heat Treatment

Forming is best done in the O or T4 condition. Final strength is developed by the specified temper; do not re-heat-treat without confirming the alloy’s response.

표면 마감

Common finishes include anodizing, polishing, and powder coating. Anodizing quality depends on surface preparation, so confirm finish requirements before production.

품질 문서 및 검사

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 operates a Shenzhen production base with over 20 years of experience supplying aluminum semis to global B2B buyers. We handle the 1000 through 8000 series and support both standard stock sizes and made-to-order dimensions.

• Material range: 1000–8000 series, including 6111 in the tempers listed above.
• 처리 지원: CNC machining, laser cutting, TIG/MIG welding, and deburring to drawing.
• 표면 마감: anodizing, polishing, powder coating, and brushed finishes on request.
• Quality system: operations follow ISO 9001, ISO 14001, and ISO 45001.
• Documentation: an MTC (Mill Test Certificate) is issued with every order; third-party SGS inspection reports can be arranged when required.

관련 자료

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.

주문 관련 일반적인 자주 묻는 질문

일반적인 리드 타임은 얼마인가요?

Standard stock items usually ship within 10–30 days. Custom sizes, tempers, or surface finishes typically require 30–60 days, depending on specification and order volume.

밀 시험 인증서를 제공하나요?

Yes. Every order ships with an MTC reporting chemical composition and mechanical properties per the ordered standard.

맞춤형 사이즈와 템퍼를 공급할 수 있나요?

Yes. We supply standard and made-to-order dimensions across sheet, plate, bar, tube, and profile, and can arrange specific tempers on request.

Which quality standards do you follow?

Operations follow ISO 9001, ISO 14001, and ISO 45001. Material can be supplied to ASTM, EN, GB, or JIS specifications as required.

How are products packaged for export?

Standard seaworthy export packaging with moisture protection is used; specific requirements are confirmed at order.