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E420

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France AFNOR NF E420 High yield strength steel plates for welded structures. Grades and types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E420 / E420
Category Grade Standard Region/Area Standard Content
Metals E420 NF A36-201 France High yield strength steel plates for welded structures. Grades and types

Chemical composition(mass fraction)(wt.%) of the E420

Element Min Max Similar
Si - 0.5000 -
S - 0.0250 -
P - 0.0250 -
Nb+Ti+V - - -
Mn - 1.7000 -
C - 0.1600 -
Al 0.0200 - -
V - 0.1200 -
Ti - 0.0500 -
Si - 0.5000 -
S - 0.0300 -
P - 0.0350 -
Ni - 0.3000 -
Nb - 0.0500 -
N - 0.0200 -
Mo - 0.2000 -
Mn - 1.7000 -
Cr+Cu+Mo - 0.6000 -
C - 0.1600 -
Al 0.0200 - -

Mechanical Properties of steel grade E420

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)
265 (≥) 885 (≥) 31 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade E420

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 - -     0.12 -  
552 326 - 41.3 123   -  
397 - 23 12.2   121 241

Heat Treatment of steel grade E420

Heat treated : 1951°C - 1912°C

Technological Curves of steel grade E420

Cross Reference Table (Equivalent Grade) of E420

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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