309H Stainless Steels to SAE J 405 (1998)

309H - Specification & Application

  • SAE J 405 (1998) - Chemical compositions of SAE wrought stainless steels

Chemical compositions of SAE wrought stainless steels

Chemical composition(wt.%) of 309H grade: to SAE J 405 (1998)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 0.75
Mn - 2.00
P - 0.045
S - 0.030
Cr 22.0 24.0
Ni 12.0 15.0

309H - Detail

Chemical compositions of SAE wrought stainless steels

Mechanical properties of grade 309H SAE J 405 (1998)

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)
929 (≥) 328 (≥) 34 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical properties of grade 309H SAE J 405 (1998)

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
794 (≥) 394 (≥) 32 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
772 385 137

Equivalent Products

We can customize the production of 309H grade, contact us for the best solution.
sales@specificsteel.com