3A21 Aluminum Rods

Name:3A21 Aluminum Rods

Category: Anti-rust military aluminum alloy
Aluminum rod varieties: ordinary aluminum rod, fine drawn aluminum rod
Supply status: H112, H24, H14, H12, O...
Round rod: Φ6mm-180mm
Square rod: According to customer requirements, fast delivery.
Hexagonal rod: Customized, fast delivery. 

Product Description

Product Description


3A21 Aluminum Alloy Plate, Pipes, Tubes, Rods, Profiles and Fabrications

SaTraD Group – China’s Top leading steel, metal & raw material distributor.

3A21 aluminum alloy is an Al-Mn series alloy. 3A21 aluminum alloy is the most widely used anti-rust aluminum. It has low strength (slightly higher than industrial pure aluminum) and cannot be strengthened by heat treatment, so cold working methods are often used to improve its mechanical properties; It has high plasticity in the annealed state, good plasticity in semi-cold work hardening, low plasticity in cold work hardening, good corrosion resistance, good weldability, and poor machinability.

Application Area

3A21 aluminum are mainly used for welding that requires high plasticity and good weldability, such as aerospace, military equipment, tooling and fixtures, automobiles, transportation, production of propellant tanks, welding of structural cabin skins, end frames, brackets, etc. Parts, as well as conduits that work in corrosive media.

Specification of 3A21 Aluminum Alloy

Material Grade

105010602A1220242017LY1230033A21LF21505250835A025A055A06LF2LF5LF6606160636082707570507A047A09LC4LC9, etc.

Color

Nature, silver, bronze, champagne, black, gloden, etc. As customized

Standard

DIN GB ISO JIS  ASTM

Diameter

Round rod: Φ6mm~180mm; Square rod: according to customer’s requirement

 

Hexagonal bar: according to customer’s requirement

Surface Treatment

Mill finish, Anodized, Electrophoresis, Powder coating, Wooden grain, Sand blast

Typical Use

3A21 aluminum are mainly used for welding that requires high plasticity and good weldability, such as aerospace, military equipment, tooling and fixtures, automobiles, transportation, production of propellant tanks, welding of structural cabin skins, end frames, brackets, etc. Parts, as well as conduits that work in corrosive media.

 

Chemical Composition of 3A21 Aluminum Alloy

Alloy Grade

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Zr

Al

3A21

0.60

0.70

0.20

1.0-1.6

0.05

-

0.10

0.15

-

Balance

 

Mechanical & Physical Properties of 3A21 Aluminum Alloy

Material Grade

Tensile Strength

Yield Strength

Elongation

Hardness

 

Rm/Mpa

Rp0.2/Mpa

%

HBWα

3A21-H112

167

-

20

    -

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