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308

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308 A 167 Type 308
#308

Description

USA UNS SAE J 452, 308 Specialsteel Chemical compositions, mechanical and physical properties of SAE aluminum casting alloys 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, mechanical and physical properties of SAE aluminum casting alloys

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)
112 (≥) 522 (≥) 44 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

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 - -     0.31 -  
573 196 - 31.3 413   -  
157 - 41 14.2   232 311

Heat Treatment of steel grade 308

Heat treated : 1879°C - 1855°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 452 Chemical compositions, mechanical and physical properties of SAE aluminum casting alloys SAE-J-452.pdf
308 A 167 Type 308
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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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