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F468 Ni686 Grade2

America ASTM F468Ni686Grade2 一般用途有色金属螺栓、六角头螺钉及螺柱(米制的) and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals F468 Ni686 Grade2 ASTM F468 America 一般用途有色金属螺栓、六角头螺钉及螺柱(米制的)

Chemical composition(mass fraction)(wt.%) of the F468 Ni686 Grade2

Element Min Max Similar
W 3.0000 4.4000 -
Ti 0.0200 0.2500 -
Si - 0.0800 -
S - 0.0200 -
P - 0.0400 -
Ni - - -
Mo 15.0000 17.0000 -
Mn - 0.7500 -
Fe - 5.0000 -
Cr 19.0000 23.0000 -
C - 0.0100 -

Mechanical Properties of steel grade F468 Ni686 Grade2

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)
594 (≥) 598 (≥) 41 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade F468 Ni686 Grade2

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 - -     0.11 -  
526 511 - 44.3 414   -  
729 - 44 22.2   143 341

Heat Treatment of steel grade F468 Ni686 Grade2

Heat treated : 1652°C - 1928°C

Technological Curves of steel grade F468 Ni686 Grade2

Cross Reference Table (Equivalent Grade) of F468 Ni686 Grade2

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