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USA ASTM ASTM A458, AISI 650 Specialsteel Specification for Hot-Worked, Hot-Cold-Worked, and Cold-Worked Alloy Steel Bars for High Strength at Elevated Temperatures and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: AISI 650
Category Class Grade Standard Country Application
Steel GradesSpecialsteel AISI 650 ASTM USA Specification for Hot-Worked, Hot-Cold-Worked, and Cold-Worked Alloy Steel Bars for High Strength at Elevated Temperatures

Chemical composition(mass fraction)(wt.%) of the AISI 650

C Si Mn P S Cr Ni Mo Cu Ti W N Fe
≤0.12 0.50 -1.00 1.00 -2.00 ≤0.02 ≤0.01 15.00 -17.00 24.00 -27.00 5.50 -7.00 ≤0.30 ≤0.20 ≤0.20 0.10 -0.20 ≤ ≥

Mechanical Properties of steel grade AISI 650

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)
513 (≥) 234 (≥) 11 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade AISI 650

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
33 - -     0.42 -  
117 584 - 44.3 113   -  
325 - 42 34.2   222 332

Heat Treatment of steel grade AISI 650

Heat treated : 1716°C - 1131°C

Technological Curves of steel grade AISI 650

Relevant standard of AISI 650

ASTM A458 Specification for Hot-Worked, Hot-Cold-Worked, and Cold-Worked Alloy Steel Bars for High Strength at Elevated Temperatures ASTM-A458.pdf

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