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2NbNiCr250

Description

Romania STAS/SR 2NbNiCr250 Stainless steel and 2NbNiCr250 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 2NbNiCr250
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 2NbNiCr250 STAS/SR Romania Stainless steel
VK-10N
VK-5E
VWM-2
VWM-2B
VWM-3C
VWM-7
VWT-1
1MoCr260
2CuMoCrNi250
2MoNiCrl75

Chemical composition(mass fraction)(wt.%) of the 2NbNiCr250

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Other(%)
≤0.03 0. 40 1.00 0.035 0.025 23.0-26.0 19.0-22,0 ≤0. 20 0.30 Nb 0.20-0. 30

Mechanical Properties of steel grade 2NbNiCr250

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)
522 (≥) 628 (≥) 32 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 2NbNiCr250

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 - -     0.11 -  
575 769 - 43.3 322   -  
449 - 24 14.2   332 411

Heat Treatment of steel grade 2NbNiCr250

Heat treated : 1572°C - 1255°C

Technological Curves of steel grade 2NbNiCr250

Cross Reference Table (Equivalent Grade) of 2NbNiCr250

Grade Standard Country Application
2NbNiCr250 STAS/SR Romania Stainless steel

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