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Description

Japan JIS G 4312 (2011), SUH 661 Specialsteel Heat-resisting steel plate, sheet and strip and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUH 661
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH 661 Austenite JIS Japan Heat-resisting steel plate, sheet and strip

Chemical composition(mass fraction)(wt.%) of the SUH 661

C Si Mn P S Cr Ni Mo W Co Nb N
0.08 -0.16 ≤1.00 1.00 -2.00 ≤0.04 ≤0.03 20.00 -22.50 19.00 -21.00 2.50 -3.50 2.00 -3.00 18.50 -21.00 0.75 -1.25 0.10 -0.20

Mechanical Properties of steel grade SUH 661

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)
112 (≥) 675 (≥) 21 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade SUH 661

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 - -     0.13 -  
275 639 - 11.3 121   -  
224 - 24 21.2   134 222

Heat Treatment of steel grade SUH 661

Heat treated : 1339°C - 1738°C

Technological Curves of steel grade SUH 661

Relevant standard of SUH 661

G 4312 (2011) Heat-resisting steel plate, sheet and strip G-4312-(2011).pdf

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