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EWG

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America ASME EWG Specification for tungsten and oxide dispersed tungsten electrodes for arc welding and cutting and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EWG / EWG
Category Grade Standard Region/Area Standard Content
Metals EWG ASME SFA-5.12/SFA-5.12M America Specification for tungsten and oxide dispersed tungsten electrodes for arc welding and cutting

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

Element Min Max Similar
W - - -
Others total - 0.5000 -

Mechanical Properties of steel grade EWG

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)
815 (≥) 433 (≥) 22 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade EWG

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
22 - -     0.22 -  
491 833 - 42.3 223   -  
471 - 14 41.2   242 314

Heat Treatment of steel grade EWG

Heat treated : 1365°C - 1842°C

Technological Curves of steel grade EWG

Cross Reference Table (Equivalent Grade) of EWG

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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