CF8M

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China NB CF8M 压水堆核电厂阀门第3部分：不锈钢铸件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CF8M / CF8M

Category	Grade	Standard	Region/Area	Standard Content
Metals	CF8M	NB/T 20010.3	China	压水堆核电厂阀门第3部分：不锈钢铸件技术条件

Chemical composition(mass fraction)(wt.%) of the CF8M

Element	Min	Max	Similar
Mo	2.0000	3.0000	-
Ni	9.0000	12.0000	-
Cr	18.0000	21.0000	-
P	-	0.0400	-
S	-	0.0400	-
Mn	-	1.5000	-
Si	-	1.5000	-
C	-	0.0800	-

Mechanical Properties of steel grade CF8M

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
912 (≥)	778 (≥)	14	21	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	343

Physical Properties of steel grade CF8M

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
31	-	-			0.34	-
564	146	-	44.3	241		-
135	-	24	14.2			133	333

Heat Treatment of steel grade CF8M

Heat treated : 1158°C - 1356°C

Technological Curves of steel grade CF8M

No Curve

Cross Reference Table (Equivalent Grade) of CF8M

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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Rfq.: sales@longhaisteel.com

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