STR310 Stainless Steels to D 3731 (2002)

STR310 - Specification & Application

  • D 3731 (2002) - Heat - resisting steel bars
  • D 3732 (2002) - Heat - resisting steel plates and sheets

Heat - resisting steel plates and sheets

Chemical composition(wt.%) of STR310 grade: to D 3731 (2002)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.25
Si - 1.50
Mn - 2.00
P - 0.040
S - 0.030
Cr 24.00 26.00
Ni 19.00 22.00
Mo - -
N - -

STR310 - Detail

Heat - resisting steel plates and sheets

Mechanical properties of grade STR310 D 3731 (2002)

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)
333 (≥) 515 (≥) 14 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical properties of grade STR310 D 3731 (2002)

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
656 (≥) 925 (≥) 13 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
343 264 591

Equivalent Grade

Equivalent Products

We can customize the production of STR310 grade, contact us for the best solution.
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