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303 Pb

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S30345 303Pb
#303Pb

Description

USA UNS SAE AMS 5635F (2006) , SAE J 405 (1998) , 303 Pb Specialsteel Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 303 Pb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 303 Pb Austenite UNS USA Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated

Chemical composition(mass fraction)(wt.%) of the 303 Pb

C Si Mn P S Cr Ni Mo Pb
≤0.15 ≤1.00 ≤2.00 ≤0.04 0.12 -0.25 17.0 -19.0 8.00 -10.0 ≤0.60 0.12 -0.30

Mechanical Properties of steel grade 303 Pb

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
786 (≥) 862 (≥) 34 11 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 303 Pb

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
24 - -     0.21 -  
728 641 - 31.3 414   -  
156 - 23 24.2   331 142

Heat Treatment of steel grade 303 Pb

Heat treated : 1857°C - 1646°C

Technological Curves of steel grade 303 Pb

Relevant standard of 303 Pb

SAE AMS 5635F (2006) Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated SAE-AMS-5635F--(2006)-.pdf
SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998)-.pdf
S30345 303Pb
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