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308

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SA-312 S30615 308
#308

Description

USA UNS SAE J 405 (1998), 308 Specialsteel Chemical compositions of SAE wrought stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 308
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 308 Austenite UNS USA Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%) of the 308

C Si Mn P S Cr Ni
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 19.0 -21.0 10.0 -12.0

Mechanical Properties of steel grade 308

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)
672 (≥) 285 (≥) 24 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade 308

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 - -     0.42 -  
115 919 - 43.3 433   -  
331 - 32 21.2   412 213

Heat Treatment of steel grade 308

Heat treated : 1191°C - 1626°C

Technological Curves of steel grade 308

Cross Reference Table (Equivalent Grade) of 308

Grade Standard Country Application
1.0308
1.4308
1.4308
308
S30800
S30815
R30816
M-308
308
S30800
S30815
S30815
S30815
S30815
S30815
308
S30800
AMS 6308A
UNS W50308
AWS E308

Relevant standard of 308

SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998).pdf
SA-312 S30615 308
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