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SUH 31

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SUS 429 J1 SUH 310
#SUH-31

Description

Japan JIS G 4311 (2011), SUH 31 Specialsteel Heat-resisting steel bars and wire rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUH 31
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH 31 Austenite JIS Japan Heat-resisting steel bars and wire rods

Chemical composition(mass fraction)(wt.%) of the SUH 31

C Si Mn P S Cr Ni Mo W
0.35 -0.45 1.50 -2.50 ≤0.60 ≤0.04 ≤0.03 14.00 -16.00 13.00 -15.00 ≤ ≥ 2.00 -3.00

Mechanical Properties of steel grade SUH 31

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)
382 (≥) 199 (≥) 44 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade SUH 31

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
23 - -     0.23 -  
294 618 - 12.3 224   -  
412 - 24 12.2   124 432

Heat Treatment of steel grade SUH 31

Heat treated : 1587°C - 1588°C

Technological Curves of steel grade SUH 31

Relevant standard of SUH 31

G 4311 (2011) Heat-resisting steel bars and wire rods G-4311-(2011).pdf
SUS 429 J1 SUH 310
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