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China GB GB/T 1220 (1992) , GB/T 4226 (2004) , GB/T 4240 (1993) , GB/T 4356 (1984), Y1Cr18Ni9Se Specialsteel Improve the machinability, ablation resistance. Suitable for automatic lathe production of rivets, screws and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Y1Cr18Ni9Se
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel Y1Cr18Ni9Se Austenite GB China Improve the machinability, ablation resistance. Suitable for automatic lathe production of rivets, screws

Chemical composition(mass fraction)(wt.%) of the Y1Cr18Ni9Se

C Si Mn P S Ni Cr Se
≤0.15 ≤1.00 ≤2.00 ≤0.200 ≤0.060 8.00 -10.00 17.00 -19.00 ≤0.15

Mechanical Properties of steel grade Y1Cr18Ni9Se

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
234 (≥) 634 (≥) 21 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade Y1Cr18Ni9Se

Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
42 - -     0.11 -  
358 528 - 14.3 342   -  
336 - 43 22.2   231 314

Heat Treatment of steel grade Y1Cr18Ni9Se

Heat treated : 1359°C - 1686°C

Technological Curves of steel grade Y1Cr18Ni9Se

Cross Reference Table (Equivalent Grade) of Y1Cr18Ni9Se

Grade Standard Country Application

Relevant standard of Y1Cr18Ni9Se

GB/T 1220 (1992) Stainless steel bars GB-T-1220-(1992)-.pdf
GB/T 4226 (2004) Cold finished stainless steel bars GB-T-4226-(2004)-.pdf
GB/T 4240 (1993) Stainless steel wires GB-T-4240-(1993)-.pdf
GB/T 4356 (1984) Stainless steel wire rods GB-T-4356-(1984).pdf

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