ASTM A302 Gr A/B/C/D Alloy Boiler Plate Manufacturer

About ASTM A302 Steel Plate

Thickness: 6mm-300mm
Length: 3000mm-15000mm
Width: 1500mm-4050mm
Application: Steel boiler plate, pressure vessel plate
Supplementary Technology: UT, AR, TMCP, N, Q+T, Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, HIC test, NDT ,PWHT( Simulated Post Weld Heat Treatment), NACE0175, The Third Party Test (Such as SGS Test).
Surface: Coated or Shot Blasting and Painting
Delivery state: Hot Rolled, Cold Rolled
Steel Grade: Grade A, Grade B, Grade C

Product Scope：

This specification covers manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates intended particularly for welded boilers and other pressure vessels. ASTM A302 is a kind of low alloy steel specification covers 4 different grades(A, B, C, D), Grade C and D contains chemical composition Ni, with the same thickness, yield and tensile strength of Grade C is the same of Grade B, while elongation rate of grade C is higher.This specification covers manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates intended particularly for welded boilers and other pressure vessels. ASTM A302 is a kind of low alloy steel specification covers 4 different grades(A, B, C, D), Grade C and D contains chemical composition Ni, with the same thickness, yield and tensile strength of Grade C is the same of Grade B, while elongation rate of grade C is higher. It is manufactured for Pressure Vessel, Boiler, Storage Tanks and Heat Exchanger in Oil, Gas Project.

ASTM A302 Chemical Composition:

ASTM A302 Chemical Composition
Steel Grade	The Element Max (%)
Steel Grade	C	Si	Mn	P	S	Mo	Ni
A302 Grade A	0.20-0.25	0.13–0.45	0.87–1.41	0,035	0,035	0.41–0.64
A302 Grade B	0.20-0.25	0.13-0.45	1.07-1.62	0.035	0.035	0.41-0.64
A302 Grade C	0.20-0.25	0.13-0.45	1.07-1.62	0.035	0.035	0.41-0.64	0.37-0.73
A302 Grade D	0.20-0.25	0.13-0.45	1.07-1.62	0.035	0.035	0.41-0.64	0.67-1.03

ASTM A302 Mechanical Property:

Steel Grade		ASTM A302 Mechanical Property
Steel Grade	Thickness	Yield	Tensile	Elongation
A302 Grade A	mm	Min Mpa	Mpa	Min %
	6-50	310	515-655	19%
	50-200	310	515-655	15%
A302 Grade B	6-50	345 Mpa	550-690 Mpa	18%
A302 Grade B	50-200	345 Mpa	550-690 Mpa	15%
A302 Grade C	6-50	50 [345]	80-100kis [550-690]Mpa	17%
A302 Grade C	50-200	50 [345]	80-100kis [550-690]Mpa	20%

ASTM A302 Equivalent steel grade:

Steel Grade	Europe	Germany	France	Italy	U.K.
ASTM A302 Gr. A,B	14Cr Mo 45	13 Cr Mo 44	15 CD 4.05	14 Cr Mo 46	620 Gr.27,31

If you are interested in buying ASTM A302 steel plate products, contact us now for the latest price or check the following table for equivalent steel grade of ASTM A302.

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