303 303 Datasheet
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 303
301
S30100
301L
S30103
301LN
S30153
302
S30200
302B
S30215
Datasheet for:Steel Grades:Stainless Steel:303

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

C
Si
Mn
P
S
Cr Ni
0.15  1.00  2.00  0.20  ≥0.15  17.0-19.0 8.00-10.0 
Mo Al Cu Nb Ti V Ce
0.60             
N Co Pb B Other    
             
             

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 303

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)
161 (≥) 146 (≥) 13 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 342
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
34 - -     0.13 -  
596 546 - 34.3 231   -  
483 - 34 31.2   314 411
Heat treated : 1976°C - 1283°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
GH3030
Classification and designation for superalloys and high temperature intermetallic materials
GH3039
Classification and designation for superalloys and high temperature intermetallic materials
303
Stainless Steel Billets and Bars for Forging
A 314 303
Stainless Steel Billets and Bars for Forging
A 473 303
Stainless Steel Forgings
A 581 Type 303
Free-Machining Stainless Steel Wire and Wire Rods
A 582 Type 303
Standard Specification for Free-Machining Stainless Steel Bars
A 895 Type 303
Free-Machining Stainless Steel Plate, Sheet, and Strip
A 959 Type 303
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 314 S30300
Stainless Steel Billets and Bars for Forging
A 473 S30300
Stainless Steel Forgings
A 581 S30300
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30300
Standard Specification for Free-Machining Stainless Steel Bars
A 895 S30300
Standard Specification for Free-Machining Stainless Steel Bars
F 837 Class A1-50 S30300
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S30300
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S30300
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S30300
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S30300
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S30300
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
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