3014 铝合金

What Is 3014 Aluminum Alloy?

3014 aluminum alloy is an Al-Mn (aluminum-manganese) wrought alloy belonging to the 3000 series. Standardized as UNS A93014, it is a non-heat-treatable alloy that gains its mechanical properties through cold working (strain hardening), expressed by H temper designations such as H14, H16, and H18. This is fundamentally different from heat-treatable alloys like 6061 or 7075 — the strength of 3014 is controlled by the degree of cold reduction during rolling or forming.

With 1.0–1.5% manganese as its primary alloying element, 3014 provides approximately 10–15% higher strength than commercially pure 1100 aluminum while retaining excellent corrosion resistance, formability, and weldability. Its combination of strength and deep-drawing capability makes 3014 especially suitable for drawn components such as beverage can bodies, heat exchanger tubes, and fin stock.

3014 cannot be strengthened by heat treatment. Annealing (O temper) restores full ductility, while controlled cold reduction produces the H1x strain-hardened tempers. This makes 3014 ideal for applications requiring extensive forming operations — deep drawing, spinning, stamping, and roll forming.

Equivalent Designations & Standards

牌号体系	3014 Identifier
UNS	A93014
EN AW	3014 / AlMn1CuSi
AA（铝业协会）	3014
国际标准化组织	AlMn1CuSi
JIS	A3014
GB (Chinese)	3014

3014 aluminum is produced to the following international standards:

• ASTM B209 — Aluminum and Aluminum-Alloy Sheet and Plate
• ASTM B210 — Aluminum-Alloy Drawn Tube
• ASTM B211 — Aluminum-Alloy Bar, Rod, and Wire
• ISO 6361 — Wrought Aluminum and Aluminum-Alloy Sheet, Strip and Plate
• EN 485 — Aluminum and Aluminum-Alloy Sheet, Strip and Plate
• EN 573-3 — Chemical Composition and Form of Wrought Products

Available 3014 Aluminum Products

Linsy supplies 3014 aluminum in a full range of standard and custom product forms. Dimensions and tolerances can be tailored to your project requirements.

3014 Aluminum Sheet & Coil

形式	脾气	厚度（毫米）	宽度（毫米）	长度（毫米）
3014 Sheet / Coil	O、H14、H16、H18	0.3 – 6.0	500 – 2600	500 – 16000

3014 Aluminum Plate

形式	脾气	厚度（毫米）	宽度（毫米）	长度（毫米）
3014 Plate	O, H112	6.0 – 150	500 – 2600	500 – 16000

3014 Aluminum Tube

形式	脾气	外径 (mm)	壁厚（毫米）	长度（毫米）
3014 Tube	O、H14、H16、H18	6 – 200	1 – 50	1000 – 6000

3014 Aluminum Bar

形式	脾气	直径（毫米）	长度（毫米）
3014 Bar (Round)	O、H14、H16、H18	3 – 200	1000 – 6000

化学成分

Per ASTM B209 and EN 573-3, the chemical composition of 3014 aluminum alloy:

要素	最小 (%)	最大值（%）
硅 (Si)	—	0.30
铁（Fe）	—	0.70
铜 (Cu)	—	0.30
锰 (Mn)	1.0	1.5
镁（Mg）	—	0.05
铬 (Cr)	—	0.05
锌 (Zn)	—	0.10
钛 (Ti)	—	0.05
Others: Each	—	0.05
Others: Total	—	0.15
铝 (Al)	平衡	—

机械性能

Mechanical properties vary significantly by temper. The following values are per ASTM B209 for sheet products:

3014-O (Annealed)

财产	价值
拉伸强度（兆帕）	130 – 175
屈服强度（兆帕）	≥ 50
伸长率 (%)	≥ 18

3014-H14

财产	价值
拉伸强度（兆帕）	170 – 215
屈服强度（兆帕）	≥ 140
伸长率 (%)	≥ 6

3014-H18 (Fully Hard)

财产	价值
拉伸强度（兆帕）	≥ 215
屈服强度（兆帕）	≥ 195
伸长率 (%)	≥ 3

硬度选择指南

脾气	说明	主要优势	典型应用
O	Annealed — fully soft, maximum ductility	Best deep-drawing formability	Heat exchanger tubes, drawn can bodies, deep-formed components
H14	Quarter-hard — moderate strength and ductility	Balanced strength and formability	General sheet work, roofing panels, storage tanks
H16	Half-hard — higher strength, reduced formability	Good rigidity for structural use	Corrugated roofing, structural panels, siding
H18	Fully hard — maximum cold-worked strength	Highest strength in non-heat-treatable series	Rigid components, high-strength sheet, fin stock
H112	As-fabricated — minimal strain hardening	Structural plate with verified properties	Structural plate, marine applications, thick plate

Applications by Industry

行业	应用	Why 3014 Is Used
Heat Exchanger & HVAC	Fin stock, tubes, condenser coils, evaporator panels	Excellent thermal conductivity, corrosion resistance, and formability for fin stamping
Packaging & Beverage	Can bodies, can ends, lids, drawn containers	Deep-drawing capability combined with moderate strength for thin-wall containers
Construction & Roofing	Corrugated roofing, siding panels, flashing, gutters	Weathering resistance and formability for roll-formed profiles
化学加工	Storage tanks, pressure vessels, chemical piping	Corrosion resistance to mild chemicals and atmospheric exposure
Kitchen & Household	Cookware, utensils, cooking pots, bakeware	Non-toxic, corrosion resistant, excellent formability for deep-drawn pots
通用工程	Sheet metal fabrication, brackets, enclosures	Cost-effective, easy to work, good weldability

3014 vs Other Aluminum Alloys

财产	3014	1100	3003	3004	5052	6061
系列	3xxx	1xxx	3xxx	3xxx	5xxx	6xxx
主要合金元素	Mn + Cu + Si	— (pure Al)	Mn + Cu	Mn + Mg	镁	镁 + 硅
Tensile Strength-O (MPa)	130–175	70–110	95–130	150–200	170–215	≤ 110
Formability (Deep Draw)	优秀	优秀	非常好	优秀	良好	贫穷
耐腐蚀性	非常好	优秀	非常好	非常好	优秀	良好
可热处理	No	No	No	No	No	Yes (T6)
焊接性	非常好	优秀	非常好	非常好	非常好	良好
典型用途	Can bodies, heat exchangers	Electrical, chemical	Roofing, cookware	Can bodies, roofing	Marine, sheet	Structural, machining

For detailed alloy comparisons, see 3104 vs 3003 vs 3004 Alloys and our 3003 vs 6061 comparison guide.

Processing & Surface Finishing

3014 aluminum supports a range of processing and surface treatment options:

• 数控加工： Good machinability; recommended carbide tools with moderate cutting speeds for H14 and harder tempers.
• Laser & waterjet cutting: Excellent for sheet and plate; minimal thermal distortion due to high thermal conductivity.
• 焊接： TIG and MIG welding with 1100 or 3003 filler rods; very good weldability with no significant loss of strength in the weld zone for O temper.
• 阳极氧化： 3014 can be anodized, but like other 3xxx alloys, the anodic coating tends to display a gray-yellow tint rather than clear silver. For color-critical applications, consider alternative surface treatments such as painting or powder coating.
• 抛光： Mechanical and chemical polishing produce good results on 3014 sheet; suitable for decorative and kitchenware surfaces.

质量文件与检验

• 工厂检验证书（MTC）： Provided with every order, documenting chemical composition and mechanical properties per applicable ASTM/EN standards.
• SGS test reports available on request: Third-party verification of composition and mechanical performance.
• ISO certifications: Linsy operates under ISO 9001, ISO 14001, and ISO 45001 certified management systems.
• 尺寸检验： Thickness, width, flatness, and surface quality checked per order specifications.

为什么选择林西铝业

• Full product range: 3014 sheet, coil, plate, tube, and bar — one supplier for all your Al-Mn alloy needs.
• Custom dimensions: Thickness, width, and length tailored to your project; low MOQ for custom orders.
• Lead time: 10–60 days depending on form, temper, and order volume.
• Quality assurance: ISO 9001, ISO 14001, ISO 45001 certified; MTC with every shipment.
• Global delivery: Exported to Europe, South Africa, Brazil, Singapore, Turkey, Japan, South Korea, and Southeast Asia.
• Technical support: Alloy selection guidance, temper recommendation, and processing consultation available.

常见问题

Product-Specific FAQs

What is the difference between 3014 and 3003 aluminum?

3014 has a slightly higher silicon content (up to 0.30%) compared to 3003 (up to 0.60%), which gives 3014 marginally higher strength. Both are non-heat-treatable Al-Mn alloys with excellent formability, but 3014 is more commonly used for drawn can bodies and heat exchanger fins where higher strength-to-formability ratio is needed.

Can 3014 aluminum be heat treated?

No. 3014 is a non-heat-treatable alloy. Its strength comes from cold working (strain hardening). The only way to change its mechanical properties is through annealing (O temper) or varying the degree of cold reduction to achieve H14, H16, or H18 tempers.

Is 3014 aluminum suitable for deep drawing?

Yes. 3014-O temper offers excellent deep-drawing formability, making it one of the preferred alloys for beverage can body stock and drawn container applications. The alloy maintains good ductility even in H14 temper.

What filler rod should I use for welding 3014?

1100 or 3003 aluminum filler rods are recommended for TIG and MIG welding of 3014. These provide good weld integrity without cracking. Avoid using 4043 or 5356 filler on thin 3014 sheet as they can alter the corrosion resistance profile.

Does 3014 aluminum anodize well?

3014 can be anodized, but the Mn content produces a gray-yellow tint rather than a clear silver finish. For decorative or color-critical applications, painting or powder coating may yield more consistent aesthetic results.

What is the melting range of 3014 aluminum?

The melting range of 3014 aluminum alloy is approximately 640–655 °C (1184–1211 °F).

What standards cover 3014 aluminum products?

3014 products are covered by ASTM B209 (sheet/plate), ASTM B210 (drawn tube), ASTM B211 (bar/rod), ISO 6361, EN 485, and EN 573-3. These standards define the chemical composition limits, mechanical property ranges, and dimensional tolerances.

Is 3014 aluminum corrosion resistant?

Yes. 3014 has very good atmospheric and freshwater corrosion resistance, similar to other 3xxx Al-Mn alloys. It performs well in outdoor, roofing, and chemical storage applications. It is not recommended for continuous seawater immersion without protective coating.

Ordering & Supply FAQs

最低订购量（MOQ）是多少？

Linsy offers low MOQ for standard 3014 products. Custom dimensions and non-standard tempers may require a higher minimum. Contact us for MOQ details on your specific requirements.

通常的交货周期是多久？

Standard 3014 products: 10–30 days. Custom orders (non-standard dimensions, special temper): up to 60 days. We ship globally with documented tracking.

Can I get custom dimensions?

Yes. Linsy can customize thickness, width, length, and tolerances for 3014 sheet, coil, plate, tube, and bar. Provide your specification and we will quote accordingly.

Do you provide MTC reports?

Yes. A Mill Test Certificate documenting chemical composition and mechanical properties is included with every 3014 order, per ASTM/EN standards.

可提供哪些表面处理？

Mill finish, brushed, polished, anodized (gray-yellow tint), painted, and powder-coated. Availability varies by product form and temper.

How do I request SGS testing?

SGS test reports are available on request. Specify your testing requirements (composition analysis, mechanical testing, or both) when placing your order.