SUH 446 Stainless Steels to G 4312 (2011)

SUH 446 - Specification & Application

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

Heat-resisting steel plate, sheet and strip

Chemical composition(wt.%) of SUH 446 grade: to G 4312 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si - 1.00
Mn - 1.50
P - 0.04
S - 0.03
Cr 23.00 27.00
Ni - 0.60
Mo - -
N - 0.25

SUH 446 - Detail

Heat-resisting steel plate, sheet and strip

Mechanical properties of grade SUH 446 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)
514 (≥) 387 (≥) 14 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical properties of grade SUH 446 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
435 (≥) 367 (≥) 32 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
923 355 973

Equivalent Grade

Equivalent Products

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