304H Stainless Steels to SAE J 405 (1998)

304H - Specification & Application

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

Chemical compositions of SAE wrought stainless steels

Chemical composition(wt.%) of 304H grade: to SAE J 405 (1998)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Si - 1.00
Mn - 2.00
P - 0.04
S - 0.03
Cr 18.0 20.0
Ni 8.00 11.0

304H - Detail

Chemical compositions of SAE wrought stainless steels

Mechanical properties of grade 304H 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)
371 (≥) 874 (≥) 24 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical properties of grade 304H 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
745 (≥) 387 (≥) 13 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
313 712 941

Equivalent Products

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