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USA UNS SAE AMS-QQ-S-763B (1998) , SAE AMS-T-6845A (1999) , SAE AMS-T-8506B (1999) , SAE J 2515 (1999), SAE J 405 (1998) , SAE J 467 (1968) , SAE J 452, 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 UNS 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)
945 (≥) 447 (≥) 14 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

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
44 - -     0.13 -  
861 113 - 24.3 312   -  
536 - 33 12.2   344 242

Heat Treatment of steel grade 304

Heat treated : 1797°C - 1955°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
SAE J 2515 (1999) High temperature materials for exhaust manifolds SAE-J-2515--(1999).pdf
SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998)-.pdf
SAE J 467 (1968) Special Purpose Alloys ("Superalloys") SAE-J-467--(1968)-.pdf
SAE J 452 Chemical compositions, mechanical and physical properties of SAE aluminum casting alloys SAE-J-452.pdf

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