ASTM A302 GR.C Boiler and Pressure Vessel Steel Plate

ASTM A302 GR.C Boiler and Pressure Vessel Steel Plate

ASTM A302 standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel.

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ASTM A302 GR.C Boiler and Pressure Vessel Steel Plate Descriptions: Chemical Composition and Mechanical Properties:

ASTM A302 GR.C Boiler and Pressure Vessel Steel Plate Descriptions:

ASTM A302 standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel.
A302 Grade C steel plate shall be normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. If A 302 Grade C above 50mm in thickness shall be normalized.
Supplementary Technology: HIC Test | NACE MR0175 | Z15 | Z25 | Z35 |

Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm

Chemical Composition and Mechanical Properties:

A302 Grade C Chemical Composition
Carbon, max	%	Manganese, max	%	Silicon, max	%	Sulfur max	%
25mm or under	0.2	Heat Analysis	1.15-1.50	Heat Analysis	0.15-0.40	All thick	0.035
25-50mm	0.23	Product Analysis	1.07-1.62	Product Analysis	0.13-0.45
over 50mm	0.25
		Molybdenum max	%	Nickel max	%	Phosphorus	%
		Heat Analysis	0.45-0.60	Heat Analysis	0.40-0.70	All thick	0.035
		Product Analysis	0.41-0.64	Product Analysis	0.37-0.73	All thick	0.035

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