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3A21 Aluminum Pipe

3A21 aluminum pipe is made of Al-Mn alloy, a widely used anti-rust aluminum with good corrosion resistance and good weldability. It is mainly used for applications requiring high plasticity and good weldability. And it usually works in liquid or gas media.

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Product Description

3A21 Aluminum Pipe Description

3A21 aluminum pipe is made from an aluminum alloy material composed of aluminum and a small amount of other alloy elements such as manganese, copper, chromium, and Zinc. 3A21 aluminum pipe can meet applications with various strength requirements due to its good tensile strength and yield strength. 3A21 aluminum pipe has good corrosion resistance and thus can be stably used in humid and corrosive environments without rusting easily. Besides, 3A21 aluminum pipe can be subjected to various surface treatments, such as anodizing, spraying, chrome plating, etc., for improved surface hardness and decoration. Another thing that makes 3A21 aluminum pipe a favorable option is aluminum alloy has lighter weight and lower density compared to other metals. It is an ideal lightweight option suitable for product designs that require light weight.

Product Parameters

Wall Thickness	0.4-20mm or customized	Length	5-2000mm or customized
Outer Diameter	10-2500mm or customized	Certificate	ISO, SGS, BV
Standard	JIS, AISI, ASTM, GB, DIN, EN, etc.
Brand	1000 Series: 1050 1060 1070 1100 1200 1235 etc. 3000 Series: 3003 3004 3005 3104 3105 3A21 etc. 5000 Series: 5005 5052 5083 5086 5154 5182 5251 5754 5A05 etc. 6000 Series: 6061 6063 6082 6A02 etc. 7000 Series: 7050 7475 7075 etc. 8000 Series: 8A06 8011 8090 etc.
Surface	Coating, Embossing, Drawing, Polishing, Anodizing, etc.
OEM Service	Punching, Cutting special size, Making flat surface, Surface treatment, etc.
Delivery Time	Received 30% after deposit 7-15 working days
Application	Construction, Shipbuilding, Decoration, Industry, Manufacturing, Machinery, Hardware and other fields
Sample	Free Offers Sample
Packaging	Strapping, Plastic bag, Film, Wooden pallet Standard seaworthy export packing or according to customer requirement

Chemical Composition

Alloy	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Others: Each	Others: Total	Al: Min.
1050	0.25	0.40	0.05	0.05	0.05	-	0.05	0.03	0.03	-	99.50
1060	0.25	0.35	0.05	0.03	0.03	-	0.05	0.03	0.03	-	99.60
1070	0.20	0.25	0.04	0.03	0.03	-	0.04	0.03	0.05	-	99.70
1100	0.95 Si Fee		0.05~0.20	0.05	-	-	0.1	-	0.05	0.15	99.0
2014	0.5~1.2	0.7	3.9~5.0	0.4~1.2	0.2~0.8	0.10	0.25	0.15	0.05	0.15	Allowance
2017	0.2~0.8	0.7	3.5~4.5	0.4~1.0	0.4~0.8	0.10	0.25	0.15	0.05	0.15	91.5 - 95.5
2024	0.50	0.50	3.8~4.9	0.3~0.9	1.2~1.8	0.10	0.25	0.15	0.05	0.15	Allowance
3003	0.60	0.70	0.05~0.20	1.0~1.5	-	-	0.10	-	0.05	0.15	Allowance
3A21	0.60	0.70	0.20	1.0-1.6	0.05	-	0.15	0.1-0.2	-	-	Allowance
3004	0.30	0.70	0.25	1.0~1.5	0.8~1.3	-	0.25	-	0.05	0.15	Allowance
3005	0.60	0.70	0.30	1.0~1.5	0.2~0.6	0.10	0.25	0.10	0.05	0.15	Allowance
3105	0.60	0.70	0.30	0.3~0.8	0.2~0.8	0.20	0.40	0.10	0.05	0.15	Allowance
5005	0.30	0.70	0.20	0.20	0.5~1.1	0.1	0.25	-	0.05	0.15	Allowance
5052	0.25	0.40	0.10	0.10	2.2~2.8	0.15~0.35	0.10	-	0.05	0.15	Allowance
5754	0.40	0.40	0.10	0.50	2.6~3.6	0.30	0.20	0.15	0.05	0.15	Allowance
5A05	0.50	0.50	0.10	0.3-0.6	4.8-5.5	-	0.20	-	0.05	0.05	Allowance
5083	0.40	0.40	0.10	0.4~1.0	4.0~4.9	0.05~0.25	0.25	0.15	0.05	0.15	Allowance
6061	0.40~0.8	0.70	0.15~0.4	0.15	0.8~1.2	0.04~0.35	0.25	0.15	0.05	0.15	Allowance
6082	0.70~1.3	0.50	0.10	0.4~1.0	0.6~1.2	0.25	0.20	0.10	0.05	0.15	Allowance
7075	0.40	0.50	1.2~2.0	0.30	2.1~2.9	0.18~0.28	5.1~6.1	0.20	0.05	0.15	Allowance

Mechanical Properties

Tensile Strength

(MPa)

Yield Strength

(MPa)

Hardness

Elongation Rate

(%)

89.6

15-28

Physical Performance

Density	Melting Point	Modulus of Elasticity	Thermal Conductivity
2.71 Kg/m³	643-675.2 °C	68.9 GPa	222 W/m.K

Annealing State

Brand	Annealing State
1xxx: 1050, 1050A, 1060, 1100	O, H12, H14, H16, H18, H22, H24, H26, H28, H111
3xxx: 3003, 3004, 3005, 3105	O, H12, H14, H16, H18, H22, H24, H26, H28, H111
5xxx: 5005, 5052, 5754, 5083, 5086, 5182, 5049, 5251, 5454	O, H22, H24, H26, H28, H32, H34, H36, H38, H111
6xxx: 6061, 6082	T4, T6, T451, T651
2xxx: 2024	T3, T351, T4
7xxx: 7075	T6, T651

Scope of Application

Aluminum Uses And Application Area
Food Packaging	Beverage can ends, cans, bottle caps, etc.
Building	Curtain walls, cladding, suspended ceilings, thermal insulation, venetian blinds, etc.
Transportation	Auto parts, passenger car bodies, aviation ships and air cargo containers.
Electronic Equipment	Electrical appliances, communication equipment,PCPlate drilling guide, lighting and heat dissipation materials, etc.
Consumer Goods	Umbrellas, cooking utensils, sports equipment, etc
Other	Military, color coated aluminum plate

Product Application

Packaging and shipping

Factory Display

FAQ

Q1: What products does Jiuhe Steel mainly offer?
Jiuhe Steel specializes in carbon steel, stainless steel, copper, aluminum, color-coated and galvanized products. Our portfolio includes carbon steel coils/plates/pipes/sections, stainless steel coils/pipes/bars, copper plates/strips/pipes, aluminum plates/coils/profiles, pre-painted galvanized coils/roofing sheets, and galvanized coils/pipes/sections.

Q2: What standards do your products comply with?
We can supply products in accordance with various international standards, including GB/T (Chinese standard), ASTM (American standard), JIS (Japanese standard), EN (European standard), and others. We recommend that clients specify their required standards and grades, and we will arrange production accordingly. If you are unsure about the appropriate standard, our team can assist with standard comparison and material selection.

Q3: Do you offer customized products?
Yes. We provide customized steel and non-ferrous metal solutions based on specific project requirements, including special dimensions, materials, surface treatments, and more. Please send us your technical specifications or drawings, and we will offer professional advice and quotations.

Q4: How do you ensure product quality?
We maintain long-term partnerships with reputable domestic mills and processing plants, with strict quality control systems in place. All products are accompanied by quality inspection certificates issued by the manufacturer. Upon request, we can also arrange third-party inspection by agencies such as SGS or BV.

Q5: Do you provide Mill Test Certificates (MTC)?
Yes. We provide Mill Test Certificates (MTC) for each shipment, including product name, specifications, applicable standards, chemical composition, mechanical properties, test results, date of manufacture, and the manufacturer‘s official stamp.

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