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7-430RNTA

Description

Australia AS 7-430RNTA Australia Structural steel and 7-430RNTA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 7-430RNTA
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 7-430RNTA AS Australia Australia Structural steel
X1038
1040
1045
1050
1055
1058
M1020
M1030
M1040
5-490NTA

Chemical composition(mass fraction)(wt.%) of the 7-430RNTA

C(%) Si(%) Mn(%) P(%) S(%) Nb(%) Al(%) Ti(%) Other(%)
0.22 0.5 0.50-1.60 0.040 0.030 Max 0.010 Max 0.100 Max 0.04 CEMax 0.45

Mechanical Properties of steel grade 7-430RNTA

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)
882 (≥) 795 (≥) 13 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade 7-430RNTA

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
14 - -     0.14 -  
232 921 - 13.3 124   -  
387 - 32 21.2   331 214

Heat Treatment of steel grade 7-430RNTA

Heat treated : 1928°C - 1264°C

Technological Curves of steel grade 7-430RNTA

Cross Reference Table (Equivalent Grade) of 7-430RNTA

Grade Standard Country Application
7-430RNTA AS Australia Australia Structural steel

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