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ER 318

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E 4318 ER 318
#318

Description

USA AMS SFA-5.9/SFA-5.9M, ER 318 Specialsteel Bare Stainless Steel Welding Electrodes and Rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ER 318
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ER 318 Precipitation-Hardening AMS USA Bare Stainless Steel Welding Electrodes and Rods

Chemical composition(mass fraction)(wt.%) of the ER 318

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 13.00 -15.00 17.00 -19.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 1.75 -2.75 ≤ ≥

Mechanical Properties of steel grade ER 318

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)
456 (≥) 599 (≥) 11 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade ER 318

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
12 - -     0.23 -  
425 772 - 24.3 344   -  
773 - 23 21.2   144 213

Heat Treatment of steel grade ER 318

Heat treated : 1671°C - 1779°C

Technological Curves of steel grade ER 318

Cross Reference Table (Equivalent Grade) of ER 318

Grade Standard Country Application
1.4318
1.4318
1.3318
S31803
318
S31803
ASTM J93183
UNS W50318
UNS W21318
AWS E318
AWS ER318
1.3318
1.3318
2205(S31803)
S31803
318S17
318S17
1.4318
1.4318

Relevant standard of ER 318

SFA-5.9/SFA-5.9M Bare Stainless Steel Welding Electrodes and Rods SFA-5-9-SFA-5-9M.pdf
E 4318 ER 318
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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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