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SHY 685 /SHY 70

Description

Korea KS SHY 685 /SHY 70 Welding structure with high yield strength steel grade of steel sheet and SHY 685 /SHY 70 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SHY 685 /SHY 70
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SHY 685 /SHY 70 KS Korea Welding structure with high yield strength steel grade of steel sheet
EN G17Mn5
EN G17NiCrMo1.V6
EN G18Mo5
EN B20Mn5
EN GX3CrNi13-4
EN B500A
EN B500B
Z8 CND 17-04
SHY 685NS
SHY 685N / SHY 70N

Chemical composition(mass fraction)(wt.%) of the SHY 685 /SHY 70

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) Cu(%) B(%)
0.18 0.55 1.50 0.035 0.035 1.20 0.60 0.10 0.50 0.005

Mechanical Properties of steel grade SHY 685 /SHY 70

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)
588 (≥) 862 (≥) 11 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade SHY 685 /SHY 70

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
32 - -     0.12 -  
953 528 - 14.3 212   -  
283 - 14 42.2   322 432

Heat Treatment of steel grade SHY 685 /SHY 70

Heat treated : 1535°C - 1731°C

Technological Curves of steel grade SHY 685 /SHY 70

Cross Reference Table (Equivalent Grade) of SHY 685 /SHY 70

Grade Standard Country Application
SHY 685NS KS Korea Welding structure with high yield strength steel grade of steel sheet
SHY 685N / SHY 70N KS Korea Welding structure with high yield strength steel grade of steel sheet
SHY 685 /SHY 70 KS Korea Welding structure with high yield strength steel grade of steel sheet

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