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Description

USA AISI R30783 Specialsteel Co-Ni-Fe-Al-Nb-Cr alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: R30783
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel R30783 Precipitation-Hardening AISI USA Co-Ni-Fe-Al-Nb-Cr alloy

Chemical composition(mass fraction)(wt.%) of the R30783

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.15 ≤1.00 3.75 -4.75 ≤0.045 ≤0.03 9.00 -10.50 19.00 -22.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade R30783

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)
245 (≥) 484 (≥) 22 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade R30783

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 - -     0.12 -  
188 151 - 31.3 421   -  
329 - 14 23.2   214 432

Heat Treatment of steel grade R30783

Heat treated : 1711°C - 1388°C

Technological Curves of steel grade R30783

Cross Reference Table (Equivalent Grade) of R30783


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