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303 MA

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S30330 303 MA
#303MA

Description

USA UNS SAE AMS 5638G (2010), SAE J 405 (1998) , 303 MA Specialsteel Steel, Corrosion-Resistant, Bars and Forgings 0.14S - 18Cr - 9.5Ni - 0.50Mo - 0.80Al (303MA) Free-Machining; Swaging or Upsetting Solution Heat Treated and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 303 MA
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 303 MA Austenite UNS USA Steel, Corrosion-Resistant, Bars and Forgings 0.14S - 18Cr - 9.5Ni - 0.50Mo - 0.80Al (303MA) Free-Machining; Swaging or Upsetting Solution Heat Treated

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

C Si Mn P S Cr Ni Mo Al
≤0.15 ≤1.00 ≤2.00 ≤0.05 0.11 -0.16 17.0 -19.0 8.00 -10.0 0.40 -0.60 0.60 -1.00

Mechanical Properties of steel grade 303 MA

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)
984 (≥) 611 (≥) 33 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 303 MA

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
31 - -     0.11 -  
972 161 - 23.3 112   -  
846 - 12 24.2   124 413

Heat Treatment of steel grade 303 MA

Heat treated : 1549°C - 1478°C

Technological Curves of steel grade 303 MA

Cross Reference Table (Equivalent Grade) of 303 MA

Grade Standard Country Application
303MA

Relevant standard of 303 MA

SAE AMS 5638G (2010) Steel, Corrosion-Resistant, Bars and Forgings 0.14S - 18Cr - 9.5Ni - 0.50Mo - 0.80Al (303MA) Free-Machining; Swaging or Upsetting Solution Heat Treated SAE-AMS-5638G--(2010).pdf
SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998)-.pdf
S30330 303 MA
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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