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JIS SUH 31 Details

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SUH 31 Application:Heat-resisting steel bars and wire rods

Category Type Grade Microstructure Designations
Grades Stainless Steels SUH 31 Martensite Japan - JIS , G 4311 (2011) - Heat-resisting steel bars and wire rods

Chemical composition(wt.%) of SUH 31 grade: G 4311 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35 0.45
Si 1.80 2.50
Mn - 0.60
P - 0.03
S - 0.03
Cr 10.00 12.00
Ni - 0.60
Mo 0.70 1.30
Heat-resisting steel bars and wire rods

Mechanical properties of grade SUH 31 G 4311 (2011)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
797 (≥) 345 (≥) 42 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical properties of grade SUH 31 G 4311 (2011)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
562 (≥) 638 (≥) 34 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
797 826 727

SUH 31 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
SUH 31 JIS Japan
Heat-resisting steel bars and wire rods
SUH 310 JIS Japan
Heat-resisting steel bars and wire rods
SUH 310 JIS Japan
Heat-resisting steel plate, sheet and strip
SUH 35 JIS Japan
Heat-resisting steel bars and wire rods
SUH 36 JIS Japan
Heat-resisting steel bars and wire rods
SUH 37 JIS Japan
Heat-resisting steel bars and wire rods
SUH 38 JIS Japan
Heat-resisting steel bars and wire rods
SUH 309 JIS Japan
Heat-resisting steel bars and wire rods
SUH 309 JIS Japan
Heat-resisting steel plate, sheet and strip
SUH310 JIS Japan
Heat-resisting steel bars and wire rods
SUH310 JIS Japan
Heat-resisting steel plate, sheet and strip
SUH 330 JIS Japan
Stainless steel wires
SUH 330 JIS Japan
Heat-resisting steel bars and wire rods
SUH 330 JIS Japan
Heat-resisting steel plate, sheet and strip
SUH 3 JIS Japan
Heat-resisting steel bars and wire rods
SUH 309 JIS Japan
Heat-resisting steel bars and wire rods
SUH 309 JIS Japan
Heat-resisting steel plate, sheet and strip
SUH 31 JIS Japan
Heat-resisting steel bars and wire rods
SUH 310 JIS Japan
Heat-resisting steel bars and wire rods
SUH 310 JIS Japan
Heat-resisting steel plate, sheet and strip

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