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BÖHLER N685 ISOEXTRA

Global 企业标准 BÖHLERN685ISOEXTRA and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals BÖHLER N685 ISOEXTRA -- Global

Chemical composition(mass fraction)(wt.%) of the BÖHLER N685 ISOEXTRA

Element Min Max Similar

Mechanical Properties of steel grade BÖHLER N685 ISOEXTRA

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)
132 (≥) 623 (≥) 32 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade BÖHLER N685 ISOEXTRA

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
31 - -     0.33 -  
199 857 - 32.3 442   -  
197 - 42 11.2   113 413

Heat Treatment of steel grade BÖHLER N685 ISOEXTRA

Heat treated : 1437°C - 1244°C

Technological Curves of steel grade BÖHLER N685 ISOEXTRA

Cross Reference Table (Equivalent Grade) of BÖHLER N685 ISOEXTRA

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