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Description

303MA Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 303MA
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 303MA
S30200
302B
S30215
303
S30300
XM-15
303Se
S30323
XM-2
S30345

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

C
Si
Mn
P
S
Cr Ni
 0.15 1.00  2.00 0.050  0.11-0.16 17.0-19.0   8.00-10.0
Mo Al Cu Nb Ti V Ce
 0.40-0.60  0.60-1.00          
N Co Pb B Other    
             
             


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Mechanical Properties of steel grade 303MA

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)
117 (≥) 116 (≥) 34 42 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 303MA

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
22 - -     0.11 -  
945 975 - 24.3 244   -  
372 - 32 31.2   243 433

Heat Treatment of steel grade 303MA

Heat treated : 1813°C - 1391°C

Technological Curves of steel grade 303MA


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