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Description

China CNS SNCM815 China Taiwan Structural steel and SNCM815 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SNCM815
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SNCM815 CNS China China Taiwan Structural steel
SNCM220
SNCM240
SNCM415
SNCM420
SNCM431
SNCM439
SNCM447
SNCM616
SNCM625
SNCM630

Chemical composition(mass fraction)(wt.%) of the SNCM815

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%)
0.12-0.18 0.15-0.35 0.30-0.60 0.030 0.030 0.70-1.00 4.00-4.50 0.15-0.30 0.30

Mechanical Properties of steel grade SNCM815

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)
494 (≥) 917 (≥) 23 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade SNCM815

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
43 - -     0.22 -  
712 193 - 44.3 114   -  
278 - 41 23.2   441 243

Heat Treatment of steel grade SNCM815

Heat treated : 1396°C - 1693°C

Technological Curves of steel grade SNCM815

Cross Reference Table (Equivalent Grade) of SNCM815

Grade Standard Country Application
SNCM815 CNS China China Taiwan Structural steel

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