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2Cr12MoVNbN

Description

China GB GB/T 1221 (1992) , 2Cr12MoVNbN Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 2Cr12MoVNbN
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 2Cr12MoVNbN Martensite GB China Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%) of the 2Cr12MoVNbN

C Si Mn P S Ni Cr Mo Nb V N
0.15 -0.20 ≤0.50 0.50 -1.00 ≤0.035 ≤0.030 ≤0.60 10.00 -13.00 0.30 -0.90 0.20 -0.60 0.10 -0.40 0.05 -0.10

Mechanical Properties of steel grade 2Cr12MoVNbN

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)
324 (≥) 356 (≥) 41 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 2Cr12MoVNbN

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
33 - -     0.13 -  
256 673 - 33.3 123   -  
468 - 42 21.2   414 142

Heat Treatment of steel grade 2Cr12MoVNbN

Heat treated : 1669°C - 1155°C

Technological Curves of steel grade 2Cr12MoVNbN

Relevant standard of 2Cr12MoVNbN

GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992)-.pdf

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