303 Pb Stainless Steels to SAE AMS 5635F (2006)

303 Pb - Specification & Application

  • SAE AMS 5635F (2006) - Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated
  • SAE J 405 (1998) - Chemical compositions of SAE wrought stainless steels

Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated

Chemical composition(wt.%) of 303 Pb grade: to SAE AMS 5635F (2006)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.04
S 0.12 0.25
Cr 17.0 19.0
Ni 8.00 10.0
Mo - 0.60
Pb 0.12 0.30

303 Pb - Detail

Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated

Mechanical properties of grade 303 Pb SAE AMS 5635F (2006)

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)
341 (≥) 226 (≥) 13 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical properties of grade 303 Pb SAE AMS 5635F (2006)

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
941 (≥) 287 (≥) 42 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
675 169 679

Equivalent Grade

Equivalent Products

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