SFCM 640 D

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Japan JIS SFCM640D 鉻鉬鋼鍛鋼件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFCM640D / SFCM 640 D

Category	Grade	Standard	Region/Area	Standard Content
Metals	SFCM 640 D	JIS G3221	Japan	鉻鉬鋼鍛鋼件

Chemical composition(mass fraction)(wt.%) of the SFCM 640 D

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade SFCM 640 D

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)
149 (≥)	163 (≥)	22	13	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade SFCM 640 D

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
32	-	-			0.13	-
786	451	-	22.3	412		-
723	-	22	24.2			443	444

Heat Treatment of steel grade SFCM 640 D

Heat treated : 1496°C - 1284°C

Technological Curves of steel grade SFCM 640 D

No Curve

Cross Reference Table (Equivalent Grade) of SFCM 640 D

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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