SUH 309 Stainless Steels to G 4312 (2011)

SUH 309 - Specification & Application

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

Heat-resisting steel plate, sheet and strip

Chemical composition(wt.%) of SUH 309 grade: to G 4312 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si - 1.00
Mn - 2.00
P - 0.04
S - 0.03
Cr 22.00 24.00
Ni 12.00 15.00
Mo - -

SUH 309 - Detail

Heat-resisting steel plate, sheet and strip

Mechanical properties of grade SUH 309 G 4312 (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)
763 (≥) 486 (≥) 14 42 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical properties of grade SUH 309 G 4312 (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
473 (≥) 577 (≥) 44 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
942 713 531

Equivalent Grade

Equivalent Products

We can customize the production of SUH 309 grade, contact us for the best solution.
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