SFNCM 740 R

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Japan JIS SFNCM740R 一般用途用镍铬钼钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFNCM740R / SFNCM 740 R

Category	Grade	Standard	Region/Area	Standard Content
Metals	SFNCM 740 R	JIS G3222	Japan	一般用途用镍铬钼钢锻件

Chemical composition(mass fraction)(wt.%) of the SFNCM 740 R

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade SFNCM 740 R

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)
295 (≥)	224 (≥)	21	12	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade SFNCM 740 R

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
34	-	-			0.32	-
887	425	-	44.3	121		-
188	-	23	21.2			113	313

Heat Treatment of steel grade SFNCM 740 R

Heat treated : 1585°C - 1616°C

Technological Curves of steel grade SFNCM 740 R

No Curve

Cross Reference Table (Equivalent Grade) of SFNCM 740 R

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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