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S21904

Favorite Datasheet
A 988 S21904 SA-666 S21904
#21-6-9LC #S21904

Description

USA AISI S21904 Specialsteel Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S21904
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel S21904 Austenite AISI USA Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon

Chemical composition(mass fraction)(wt.%) of the S21904

C Mn Si P S Cr Ni Mo N
≤0.04 8.00 -10.00 ≤1.00 ≤0.06 ≤0.03 19.00 -21.50 5.50 -7.50 ≤ ≥ 0.15 -0.40

Mechanical Properties of steel grade S21904

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)
994 (≥) 518 (≥) 21 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade S21904

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
41 - -     0.12 -  
311 921 - 21.3 133   -  
393 - 34 11.2   142 234

Heat Treatment of steel grade S21904

Heat treated : 1375°C - 1989°C

Technological Curves of steel grade S21904

Cross Reference Table (Equivalent Grade) of S21904

Grade Standard Country Application
S21904
S21904
S21904
A 988 S21904 SA-666 S21904
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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