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SNCM 240

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Japan JIS SNCM240 镍铬钼钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNCM240 / SNCM 240
Category Grade Standard Region/Area Standard Content
Metals SNCM 240 JIS G4103 Japan 镍铬钼钢

Chemical composition(mass fraction)(wt.%) of the SNCM 240

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni 0.4000 0.7000 -
Mo 0.1500 0.3000 -
Mn 0.7000 1.0000 -
Cu - 0.3000 -
Cr 0.4000 0.6000 -
C 0.3800 0.4300 -
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni 0.4000 0.7000 -
Mo 0.1500 0.3000 -
Mn 0.7000 1.0000 -
Cr 0.4000 0.6500 -
C 0.3800 0.4300 -

Mechanical Properties of steel grade SNCM 240

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
938 (≥) 297 (≥) 21 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade SNCM 240

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
21 - -     0.32 -  
374 155 - 13.3 431   -  
741 - 24 11.2   331 421

Heat Treatment of steel grade SNCM 240

Heat treated : 1279°C - 1544°C

Technological Curves of steel grade SNCM 240

Cross Reference Table (Equivalent Grade) of SNCM 240

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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