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SA-666 S21904

Description

USA AMS SA-666, SA-666 S21904 Specialsteel Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-666 S21904
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-666 S21904 Austenite AMS USA Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

Chemical composition(mass fraction)(wt.%) of the SA-666 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 SA-666 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)
844 (≥) 635 (≥) 44 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade SA-666 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
34 - -     0.33 -  
767 241 - 43.3 112   -  
627 - 21 42.2   431 332

Heat Treatment of steel grade SA-666 S21904

Heat treated : 1771°C - 1711°C

Technological Curves of steel grade SA-666 S21904

Cross Reference Table (Equivalent Grade) of SA-666 S21904

Grade Standard Country Application
S21904
S21904
S21904

Relevant standard of SA-666 S21904

SA-666 Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar SA-666.pdf

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