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0Cr25Ni20

Description

China GB GB 13296 (2007), GB 4238 (1992), GB/T 1220 (1992), GB/T 1221 (1992), GB/T 12770 (2002), GB/T 12771 (2000), GB/T 14976 (2002), GB/T 3280 (2007), GB/T 4226 (2004), GB/T 4237 (1992), GB/T 4239 (1991), GB/T 4240 (1993), GB/T 4356 (2002), JB/T 6398 (2006), 0Cr25Ni20 Specialsteel Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 0Cr25Ni20
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 0Cr25Ni20 Austenite GB China Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel

Chemical composition(mass fraction)(wt.%) of the 0Cr25Ni20

C Si Mn P S Ni Cr
≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 19.00 -22.00 24.00 -26.00

Mechanical Properties of steel grade 0Cr25Ni20

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)
923 (≥) 915 (≥) 32 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 0Cr25Ni20

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
34 - -     0.23 -  
741 356 - 44.3 433   -  
242 - 13 32.2   141 334

Heat Treatment of steel grade 0Cr25Ni20

Heat treated : 1516°C - 1343°C

Technological Curves of steel grade 0Cr25Ni20

Relevant standard of 0Cr25Ni20

GB 13296 (2007) Seamless stainless steel tubes for boiler and heat exchanger GB-13296-(2007).pdf
GB 4238 (1992) Heat-resisting steel sheets and plates GB-4238-(1992).pdf
GB/T 1220 (1992) Stainless steel bars GB-T-1220-(1992).pdf
GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221-(1992).pdf
GB/T 12770 (2002) Welded stainless steel tubes for machine structures GB-T-12770-(2002).pdf
GB/T 12771 (2000) Welded stainless steel pipes for liquid delivery GB-T-12771-(2000).pdf
GB/T 14976 (2002) Stainless steel seamless tubes for fluid transport GB-T-14976-(2002).pdf
GB/T 3280 (2007) Cold rolled stainless steel sheets and plates GB-T-3280-(2007).pdf
GB/T 4226 (2004) Cold finished stainless steel bars GB-T-4226-(2004).pdf
GB/T 4237 (1992) Hot rolled stainless steel sheets and plates GB-T-4237-(1992).pdf
GB/T 4239 (1991) Cold rolled stainless steel and heat resisting steel strips GB-T-4239-(1991).pdf
GB/T 4240 (1993) Stainless steel wires GB-T-4240-(1993).pdf
GB/T 4356 (2002) Stainless steel wire rods GB-T-4356-(2002).pdf
JB/T 6398 (2006) Heavy stainless acid resistant and heat resistant steel forgings JB-T-6398-(2006).pdf

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