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R420

Favorite Datasheet

Australia AS R420 Welding and brazing - Filler metals - Filler metal for welding and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: R420 / R420
Category Grade Standard Region/Area Standard Content
Metals R420 AS/NZS 1167.2 Australia Welding and brazing - Filler metals - Filler metal for welding

Chemical composition(mass fraction)(wt.%) of the R420

Element Min Max Similar
C 0.2500 0.4000 -
Mn - 0.6000 -
P - 0.0300 -
S - 0.0300 -
Si - 0.5000 -
Ni - 0.6000 -
Cr 12.0000 14.0000 -
Mo - 0.7500 -
Cu - 0.7500 -

Mechanical Properties of steel grade R420

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)
728 (≥) 144 (≥) 21 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade R420

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
24 - -     0.32 -  
125 272 - 11.3 122   -  
526 - 32 13.2   131 113

Heat Treatment of steel grade R420

Heat treated : 1815°C - 1795°C

Technological Curves of steel grade R420

Cross Reference Table (Equivalent Grade) of R420

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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Jiangyou Longhai Special Steel Co.,Ltd.

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