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Martensite 3

Description

China CNS Martensite 3 CNS standard heat resistant steel bars(CNS 9608-1998) and Martensite 3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: Martensite 3
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy Martensite 3 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)
Austenitic 36
Austenitic 37
Austenitic 38
Austenitic 309
Austenitic 310
Austenitic 330
Austenitic 660
Austenitic 661
Ferrite 46
Martensite 1

Chemical composition(mass fraction)(wt.%) of the Martensite 3

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.35-0.45 1.80-2.50 Max 0.60 Max 0.030 Max 0.030 10.0-12.0 Max 0.60 0.70-1.30

Mechanical Properties of steel grade Martensite 3

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)
868 (≥) 449 (≥) 41 42 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade Martensite 3

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
41 - -     0.14 -  
478 712 - 44.3 443   -  
271 - 22 34.2   421 433

Heat Treatment of steel grade Martensite 3

Heat treated : 1995°C - 1423°C

Technological Curves of steel grade Martensite 3

Cross Reference Table (Equivalent Grade) of Martensite 3

Grade Standard Country Application
Martensite 3 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)

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