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Description

USA AISI W21318 Specialsteel Low alloy steel arc welding electrode (E10018M) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: W21318
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel W21318 Precipitation-Hardening AISI USA Low alloy steel arc welding electrode (E10018M)

Chemical composition(mass fraction)(wt.%) of the W21318

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 W21318

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)
694 (≥) 642 (≥) 31 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade W21318

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 - -     0.43 -  
736 231 - 43.3 114   -  
748 - 41 42.2   322 221

Heat Treatment of steel grade W21318

Heat treated : 1736°C - 1796°C

Technological Curves of steel grade W21318

Cross Reference Table (Equivalent Grade) of W21318


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