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ISO X9CrNi18-8

Description

ISO ISO ISO X9CrNi18-8 ISO standard spring with stainless steel wire and steel strip and ISO X9CrNi18-8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO X9CrNi18-8

Chemical composition(mass fraction)(wt.%) of the ISO X9CrNi18-8

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.12 Max 1.5 Max 2.0 Max 0.045 Max 0.030 16.0-19.0 6.5-9.5

Mechanical Properties of steel grade ISO X9CrNi18-8

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)
264 (≥) 997 (≥) 11 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade ISO X9CrNi18-8

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
14 - -     0.34 -  
297 187 - 33.3 221   -  
498 - 31 44.2   211 314

Heat Treatment of steel grade ISO X9CrNi18-8

Heat treated : 1368°C - 1173°C

Technological Curves of steel grade ISO X9CrNi18-8

Cross Reference Table (Equivalent Grade) of ISO X9CrNi18-8

Grade Standard Country Application
ISO X9CrNi18-8 ISO ISO ISO standard spring with stainless steel wire and steel strip

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