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STR660

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STR330 STR661
#STR660

Description

Korea KS D 3731 (2002), D 3732 (2002), STR660 Specialsteel Heat - resisting steel plates and sheets and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STR660
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STR660 Austenite KS Korea Heat - resisting steel plates and sheets

Chemical composition(mass fraction)(wt.%) of the STR660

C Si Mn P S Cr Ni Mo N Al Ti V B
≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 13.50 -16.00 24.00 -27.00 1.00 -1.50 ≤ ≥ ≤0.35 1.90 -2.35 0.10 -0.50 0.001 -0.010

Mechanical Properties of steel grade STR660

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)
786 (≥) 832 (≥) 32 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade STR660

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 - -     0.13 -  
231 455 - 13.3 443   -  
558 - 31 13.2   412 432

Heat Treatment of steel grade STR660

Heat treated : 1668°C - 1331°C

Technological Curves of steel grade STR660

Relevant standard of STR660

D 3731 (2002) Heat - resisting steel bars D-3731-(2002).pdf
D 3732 (2002) Heat - resisting steel plates and sheets D-3732-(2002).pdf
STR330 STR661
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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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