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Description

USA ASTM SAE AMS-QQ-S-763B (1998) , SAE AMS-T-6845A (1999) , SAE AMS-T-8506B (1999) , 304 Specialsteel Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 304
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 304 Austenite ASTM USA Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings

Chemical composition(mass fraction)(wt.%) of the 304

C Si Mn P S Cr Ni N
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -10.5 ≤0.10

Mechanical Properties of steel grade 304

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)
655 (≥) 582 (≥) 41 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade 304

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
31 - -     0.43 -  
716 625 - 31.3 133   -  
676 - 11 32.2   212 112

Heat Treatment of steel grade 304

Heat treated : 1277°C - 1687°C

Technological Curves of steel grade 304

Cross Reference Table (Equivalent Grade) of 304

Relevant standard of 304

SAE AMS-QQ-S-763B (1998) Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings SAE-AMS-QQ-S-763B--(1998)-.pdf
SAE AMS-T-6845A (1999) Tubing, Steel, Corrosion-Resistant (S30400), Aerospace Vehicle Hydraulic System 1/8 Hard Condition SAE-AMS-T-6845A--(1999)-.pdf
SAE AMS-T-8506B (1999) Tubing, Steel, Corrosion-Resistant, (304), Annealed, Seamless and Welded SAE-AMS-T-8506B--(1999)-.pdf

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