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SNCM240

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SNCM220 SNCM415
#SNCM240

Description

China CNS SNCM240 China Taiwan Structural steel and SNCM240 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SNCM240
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SNCM240 CNS China China Taiwan Structural steel
STKM16C
STKM17A
STKM17C
STKM18A
STKM18B
STKM18C
STKM19A
STKM19C
STKM20A
SNCM220

Chemical composition(mass fraction)(wt.%) of the SNCM240

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.38-0.43 0.15-0.35 0.70-1.00 0.030 0.030 0.40-0.65 0.40-0.70 0.15-0.30 0.30

Mechanical Properties of steel grade SNCM240

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)
259 (≥) 644 (≥) 31 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade SNCM240

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 - -     0.33 -  
264 798 - 23.3 422   -  
297 - 13 33.2   134 431

Heat Treatment of steel grade SNCM240

Heat treated : 1138°C - 1348°C

Technological Curves of steel grade SNCM240

Cross Reference Table (Equivalent Grade) of SNCM240

Grade Standard Country Application
SNCM240 CNS China China Taiwan Structural steel
SNCM220 SNCM415
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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