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SHY 685N / SHY 70N

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SHY 685NS SHY 685 /SHY 70
#SHY685NS #SHY685

Description

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

Datasheet for: Steel Grades:Structure Steel: SHY 685N / SHY 70N
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SHY 685N / SHY 70N KS Korea Welding structure with high yield strength steel grade of steel sheet
EN G9MM4
EN G17Mn5
EN G17NiCrMo1.V6
EN G18Mo5
EN B20Mn5
EN GX3CrNi13-4
EN B500A
EN B500B
Z8 CND 17-04
SHY 685NS

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%) B(%)
0.18 0.55 1.50 0.035 0.035 0.80 0.30-1.50 0.60 0.10 0.50 0.005

Mechanical Properties of steel grade SHY 685N / SHY 70N

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)
639 (≥) 369 (≥) 31 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade SHY 685N / SHY 70N

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
22 - -     0.41 -  
854 364 - 21.3 344   -  
542 - 23 24.2   121 411

Heat Treatment of steel grade SHY 685N / SHY 70N

Heat treated : 1868°C - 1424°C

Technological Curves of steel grade SHY 685N / SHY 70N

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

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
SHY 685NS SHY 685 /SHY 70
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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