Commercial Grade
USA UNS R30783
Other Names
Brand/Supplier
America ->
Classification Special Alloy Steel
Density 7.81 g/cm3
Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Ni Cu Ti Nb B Al More
Minimum Value 24 - - - - - 2.5 26 - 0.1 2.5 0.003 5 Co:余量
Maximum Value 27 0.03 0.5 0.5 0.015 0.005 3.5 30 0.5 0.4 3.5 0.012 6
Mechanical Properties
Test Temperature Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
21°C Aging Hardening 1194 779 24 44
427°C 1076 717 25 42
538°C 1034 686 25 46
649°C 979 683 28 39
7.4°C 807 607 39 64

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