A302GrD,A302 Grade D,A302Gr.D,A302 Gr D Steel Plate

A302GrD,A302 Grade D,A302Gr.D,A302 Gr D Steel Plate
 
Unitedsteel Mill produce super thickness and high quality A302 Grade A steel plates standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel.
 
 
A302 Grade D steel plates shall be killed and conform to the fine grain size requirement of specification A 20/A 20M.
A302 Grade D is Mn- Mo-Ni alloy steel grade, the same with A302 Grade C. A302 Grade D min yield strength is 345Mpa.

A302 Grade D also has the supplementary requirements in S1, S2, S3, S4.1, S5, S7, S8, S9, S11, S12, S17. and HIC test.
 
 
 
A302 Grade D steel Chemical Requirements

Carbon, max	%	Manganese, max	%	Silicon, max	%	Sulfur max	%
25mm or under 25mm - 50mm over 50mm	0.20 0.23 0.25	Heat Analysis Product Analysis	1.15-1.50 1.07-1.62	Heat Analysis Product Analysis	0.15-0.40 0.13-0.45	All thick	0.035
		Molybdenum max	%	Nickel  max	%	Phosphorus	%
		Heat Analysis Product Analysis	0.45-0.60 0.41-0.64	Heat Analysis Product Analysis	0.70-1.00 0.67-1.03	All thick	0.035

 
 
A302 Grade D steel Tensile Requirements

Mechanical Property of A302 Grade D steel plate	A302 Grade D
Tensile strength, kis [MPa] Yield strength, min, kis [MPa] Elongation in 8 in. [200 mm], min, % Elongation in 2 in. [50 mm], min, %	80-100 [550-690] 50 [345] 17 20

 
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