303 plus X Stainless Steels to J 405

303 plus X - Specification & Application

  • J 405 - 标准内容

J 405 Chemical compositions of SAE wrought stainless steels

Chemical composition(wt.%) of 303 plus X grade: to J 405

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn 2.50 4.50
P - 0.2
S 0.15 -
Cr 17.0 19.0
Ni 7.00 10.0
Mo - 0.60

303 plus X - Detail

J 405 Chemical compositions of SAE wrought stainless steels

Mechanical properties of grade 303 plus X J 405

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)
173 (≥) 844 (≥) 22 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade 303 plus X J 405

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
151 (≥) 621 (≥) 44 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
444 221 859
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