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Description

China GB GB 13296 (2007) , GB 2270 (1980), GB 5310 (1999), GB/T 1220 (1992) , GB/T 12770 (2002), GB/T 12771 (2000), GB/T 14975 (2002), GB/T 14976 (2002), GB/T 18705 (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), 1Cr18Ni9 Specialsteel High strength after cold forming, but elongation than 1 cr17ni7 slightly worse. Used in architectural decoration parts and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1Cr18Ni9
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 1Cr18Ni9 Austenite GB China High strength after cold forming, but elongation than 1 cr17ni7 slightly worse. Used in architectural decoration parts

Chemical composition(mass fraction)(wt.%) of the 1Cr18Ni9

C Si Mn P S Ni Cr
≤0.15 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00 -10.00 17.00 -19.00

Mechanical Properties of steel grade 1Cr18Ni9

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)
887 (≥) 298 (≥) 24 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 1Cr18Ni9

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
31 - -     0.14 -  
213 892 - 34.3 423   -  
564 - 22 24.2   232 114

Heat Treatment of steel grade 1Cr18Ni9

Heat treated : 1233°C - 1972°C

Technological Curves of steel grade 1Cr18Ni9

Cross Reference Table (Equivalent Grade) of 1Cr18Ni9

Grade Standard Country Application
1Cr18Ni9
1Cr18Ni9
Y1Cr18Ni9Se
Y1Cr18Ni9Se

Relevant standard of 1Cr18Ni9

GB 13296 (2007) Seamless stainless steel tubes for boiler and heat exchanger GB-13296-(2007)-.pdf
GB 2270 (1980) Seamless tubes GB-2270-(1980).pdf
GB 5310 (1999) Seamless steel tubes and pipes for high pressure boiler GB-5310-(1999).pdf
GB/T 1220 (1992) Stainless steel bars GB-T-1220-(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 14975 (2002) Stainless steel seamless tubes for structures GB-T-14975-(2002).pdf
GB/T 14976 (2002) Stainless steel seamless tubes for fluid transport GB-T-14976-(2002).pdf
GB/T 18705 (2002) Welded stainless steel pipes for decoration GB-T-18705-(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) ainless 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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