C40RHH4

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England B.S. C40RHH4 淬硬钢和回火钢.第1部分:一般技术交货状态 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C40RHH4 / C40RHH4

Category	Grade	Standard	Region/Area	Standard Content
Metals	C40RHH4	BS EN 10083-1	England	淬硬钢和回火钢.第1部分:一般技术交货状态

Chemical composition(mass fraction)(wt.%) of the C40RHH4

Element	Min	Max	Similar
Mo	-	0.1000	-
Ni	-	0.4000	-
Cr	-	0.4000	-
P	-	0.0350	-
S	0.0200	0.0400	-
Mn	0.5000	0.8000	-
Si	-	0.4000	-
C	0.3700	0.4400	-

Mechanical Properties of steel grade C40RHH4

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)
357 (≥)	193 (≥)	31	23	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	413

Physical Properties of steel grade C40RHH4

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	-	-			0.44	-
747	897	-	22.3	311		-
356	-	34	12.2			123	142

Heat Treatment of steel grade C40RHH4

Heat treated : 1916°C - 1687°C

Technological Curves of steel grade C40RHH4

No Curve

Cross Reference Table (Equivalent Grade) of C40RHH4

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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