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SchCh 15 SG

Bulgaria BDS SchCh15SG Seamless tubes for ball and roller bearings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SchCh15SG / SchCh 15 SG
Category Grade Standard Region/Area Standard Content
Metals SchCh 15 SG BDS 12731 Bulgaria Seamless tubes for ball and roller bearings

Chemical composition(mass fraction)(wt.%) of the SchCh 15 SG

Element Min Max Similar

Mechanical Properties of steel grade SchCh 15 SG

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)
913 (≥) 663 (≥) 22 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade SchCh 15 SG

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
34 - -     0.12 -  
993 867 - 22.3 211   -  
338 - 33 34.2   212 324

Heat Treatment of steel grade SchCh 15 SG

Heat treated : 1634°C - 1173°C

Technological Curves of steel grade SchCh 15 SG

Cross Reference Table (Equivalent Grade) of SchCh 15 SG

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