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1Cr25Ni20Si2

Description

China GB GB 4238 (1992) , GB/T 1221 (1992) , 1Cr25Ni20Si2 Specialsteel Heat-resisting steel sheets and plates and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1Cr25Ni20Si2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 1Cr25Ni20Si2 Austenite GB China Heat-resisting steel sheets and plates

Chemical composition(mass fraction)(wt.%) of the 1Cr25Ni20Si2

C S Mn P S Ni Cr
≤0.20 1.50 -2.50 ≤1.50 ≤0.035 ≤0.030 18.00 -21.00 24.00 -27.00

Mechanical Properties of steel grade 1Cr25Ni20Si2

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)
195 (≥) 597 (≥) 41 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade 1Cr25Ni20Si2

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
23 - -     0.41 -  
823 459 - 14.3 411   -  
549 - 33 42.2   424 223

Heat Treatment of steel grade 1Cr25Ni20Si2

Heat treated : 1699°C - 1198°C

Technological Curves of steel grade 1Cr25Ni20Si2

Relevant standard of 1Cr25Ni20Si2

GB 4238 (1992) Heat-resisting steel sheets and plates GB-4238--(1992)-.pdf
GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992)--.pdf

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