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ASME/ASTM A283

ASTM Standard Logo

Low and Intermediate Tensile Strength Carbon Steel Plates to ASTM A 283/A 283M Standard

 Use:

This is steel specification covers four grades of low carbon steel plates of structural quality for general application. Grades A, B, C and D.

ASTM A283 Chemical Properties

 

Grade A

Grade B

Grade C

Grade D

Carbon, max

0.14

0.17

0.24

0.27

Manganese, max

0.90

0.90

0.90

0.90

Phosphorus, max

0.035

0.035

0.035

0.035

Sulphur, max

0.04

0.04

0.04

0.04

Silicon

Plates 1 1/2 in and under, max

Plates over 1 1/2 in

 

0.40

0.15-0.40

 

0.40

0.15-0.40

 

0.40

0.15-0.40

 

0.40

0.15-0.40

Copper min % when copper steel is specified  

0.20

0.20

0.20

0.20

ASTM A283 Mechanical Properties

 

Grade A

Grade B

Grade C

Grade D

Tensile Strength:

45,000 -60,000 psi

[310 - 415 MPa]

50,000 -65,000 psi

[345 - 450 MPa]

55,000 75,000 psi

[380 - 515 MPa]

60,000 -80,000 psi

[415 - 550 MPa]

Min. Yield Point:

24,000psi

[165 MPa]

27,000psi

[185 MPa]

30,000psi

[205 MPa]

33,000psi

[230 MPa]

Elongation in 8":

27% min

25% min

22% min

20% min

Elongation in 2":

38% min

28% min

25% min

23% min

We can supply:

Thickness from 6mm to 150mm (although thicker plates might be manufactured under special order)

Width: from 1,500mm to 4,100mm

Length: from 6,000mm to 20,000mm


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