ASTM-F12 Class 2

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Product Details

Chemical composition

C(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Mo(%)	Yield stress (Mpa)	Tensile stress (Mpa)	Elongation (%)
0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2

Applications

Alloy Steel Forgings for Pressure Vessels for High Temperature Service

Country Code:

ASTM

Standard

F12 Class 2

Steel Type

Heat treatment

Heat Treatment of steel grade VV-54
Heat treated : 1391°C - 1967°C

Relate Steel Type

Steel Type	Country Code	C(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Mo(%)	Yield stress (Mpa)
							0.80-1.25	0.45-0.65	≧275
SFVAF12	CNS	≦0.2	≦0.6	0.3-0.8	≦0.04	≦0.03	0.80-1.25	0.45-0.65	≧275
SFVAF12	JIS	≦0.2	≦0.6	0.3-0.8	≦0.04	≦0.03	0.80-1.25	0.45-0.65	≧275
F12 Class 2	ASTM	0.1-0.2	0.1-0.6	0.3-0.8	≦0.04	≦0.04	0.80-1.25	0.45-0.65	≧275
13CrMo-4-4	DIN	0.08-0.18	≦0.35	0.4-1.0	≦0.04	≦0.025	0.80-1.25	0.45-0.65	≧275

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