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Australia AS R3 Welding and brazing - Filler metals - Filler metal for welding and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: R3 / R3
Category Grade Standard Region/Area Standard Content
Metals R3 AS/NZS 1167.2 Australia Welding and brazing - Filler metals - Filler metal for welding

Chemical composition(mass fraction)(wt.%) of the R3

Element Min Max Similar
Si 0.4500 0.7000 -
S - 0.0350 -
P - 0.0250 -
Mn 0.9000 1.4000 -
Cu - 0.5000 -
C 0.0600 0.1500 -

Mechanical Properties of steel grade R3

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)
456 (≥) 322 (≥) 22 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade R3

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 - -     0.32 -  
565 817 - 34.3 223   -  
781 - 31 31.2   211 112

Heat Treatment of steel grade R3

Heat treated : 1632°C - 1478°C

Technological Curves of steel grade R3

Cross Reference Table (Equivalent Grade) of R3

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