ASTM A283 GR.A/B/C/D steel specification,ASTM A283 GR.A/B/C/D steel supplier

ASTM A283 / A283M Gr.A/B/C/D steel Standard Specification for Low and Intermediate Tensile Strength Carbon Steel Plates.

ASTM A283 / A283M Gr.A/B/C/D steel specification covers four grades of carbon steel plates of structural quality for general application. Steel samples shall be melt processed by either open-hearth, basic-oxygen, or electric furnace.

ASTM A283 Gr.A/B/C/D Chemical Composition

Element	melting analysis,%
	Gr.A	Gr.B	Gr.C	Gr.D
C, maximum	0.14	0.17	0.24	0.27
Mn , maximum	0.90	0.90	0.90	0.90
P, maximum	0.035	0.035	0.035	0.035
S, the largest	0.04	0.04	0.04	0.04
Si
Steel, ≤1.5in. [≤40mm], maximum	0.40	0.40	0.40	0.40
Steel,> 1.5in. [> 40mm]	0.15-0.40	0.15-0.40	0.15-0.40	0.15-0.40
Cu,% Minimum (When the specified time for the Cu-containing steels)	0.20	0.20	0.20	0.20

ASTM A283Gr.A/B/C/D steel tensile performance requirements

	Gr.A	Gr.B	Gr.C	Gr.D
Tensile strength, ksi [MPa]	45-60	50-65	55-75	60-80
	[310-415]	[345-450]	[380-515]	[415-550]
Yield point, minimum, ksi [MPa]	24[165]	27[185]	30[205]	33[230]
Elongation, gauge 8in. [200mm]	27	25	22	20
Elongation, gauge 2in. [50mm],	30	28	25	23

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