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ER 308

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A 479 ER308 ER 308
#308

Description

USA AMS SFA-5.9/SFA-5.9M , ER 308 Specialsteel This filler metal is the most often used to weld similar composition, in particular, Type 304. and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ER 308
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ER 308 Austenite AMS USA This filler metal is the most often used to weld similar composition, in particular, Type 304.

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

C Si Mn P S Cr Ni Cu Mo
≤0.08 0.25 -0.60 1.00 -2.50 ≤0.03 ≤0.03 19.5 -22.0 9.00 -11.0 ≤0.75 ≤0.75

Mechanical Properties of steel grade ER 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)
865 (≥) 967 (≥) 42 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade ER 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
34 - -     0.14 -  
376 831 - 11.3 122   -  
476 - 42 21.2   211 223

Heat Treatment of steel grade ER 308

Heat treated : 1929°C - 1627°C

Technological Curves of steel grade ER 308

Cross Reference Table (Equivalent Grade) of ER 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 ER 308

SFA-5.9/SFA-5.9M Bare Stainless Steel Welding Electrodes and Rods SFA-5-9-SFA-5-9M-.pdf
A 479 ER308 ER 308
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Jiangyou Longhai Special Steel Co.,Ltd.
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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