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Description

USA AISI S21800 Specialsteel Austenitic Chromium Nickel Manganese Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S21800
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel S21800 Austenite AISI USA Austenitic Chromium Nickel Manganese Stainless Steel

Chemical composition(mass fraction)(wt.%) of the S21800

C Si Mn P S Cr Ni N
≤0.10 3.50 -4.50 7.00 -9.00 ≤0.04 ≤0.03 16.0 -18.0 8.00 -9.00 0.08 -0.18

Mechanical Properties of steel grade S21800

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)
967 (≥) 181 (≥) 14 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade S21800

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
42 - -     0.42 -  
734 482 - 23.3 314   -  
475 - 41 44.2   212 243

Heat Treatment of steel grade S21800

Heat treated : 1892°C - 1785°C

Technological Curves of steel grade S21800

Cross Reference Table (Equivalent Grade) of S21800

Grade Standard Country Application
S21800
S21800
S21800

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