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Germany DIN 1.3520 Ball and Roller Bearing Steels; Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.3520 / 1.3520
Category Grade Standard Region/Area Standard Content
Metals 1.3520 DIN 17230 Germany Ball and Roller Bearing Steels; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the 1.3520

Element Min Max Similar

Mechanical Properties of steel grade 1.3520

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)
478 (≥) 475 (≥) 11 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 1.3520

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 - -     0.33 -  
596 385 - 32.3 341   -  
688 - 14 13.2   334 332

Heat Treatment of steel grade 1.3520

Heat treated : 1873°C - 1219°C

Technological Curves of steel grade 1.3520

Cross Reference Table (Equivalent Grade) of 1.3520

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