EF4

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Australia AS EF4 Electrodes and fluxes for submerged-arc welding - Low and intermediate alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EF4 / EF4

Category	Grade	Standard	Region/Area	Standard Content
Metals	EF4	AS/NZS 1858.2	Australia	Electrodes and fluxes for submerged-arc welding - Low and intermediate alloy steels

Chemical composition(mass fraction)(wt.%) of the EF4

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade EF4

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
296 (≥)	846 (≥)	34	44	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	212

Physical Properties of steel grade EF4

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
31	-	-			0.44	-
854	277	-	43.3	331		-
358	-	22	12.2			323	432

Heat Treatment of steel grade EF4

Heat treated : 1334°C - 1687°C

Technological Curves of steel grade EF4

No Curve

Cross Reference Table (Equivalent Grade) of EF4

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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