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Description

USA AISI S21500 Specialsteel Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S21500
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel S21500 Austenite AISI USA Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel

Chemical composition(mass fraction)(wt.%) of the S21500

C Mn Si P S Cr Ni Mo B Nb V
≤0.15 5.50 -7.00 ≤1.20 ≤0.04 ≤0.03 14.00 -16.00 9.00 -11.00 ≤ ≥ 0.003 -0.009 0.75 -1.25 0.15 -0.40

Mechanical Properties of steel grade S21500

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)
782 (≥) 785 (≥) 23 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade S21500

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
23 - -     0.33 -  
834 995 - 41.3 124   -  
738 - 44 33.2   312 244

Heat Treatment of steel grade S21500

Heat treated : 1952°C - 1613°C

Technological Curves of steel grade S21500

Cross Reference Table (Equivalent Grade) of S21500

Grade Standard Country Application
Esshete 1250
UNS 51250
S21500
S21500

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