303

This page provides 303 datasheet, 303 mechanical properties, chemical element 303, technical specifications of 303 steel material properties. 303 performance specifications.

Category Class Grade Standard Country Application
Steel GradesStainless Steel 303
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)
872 (≥) 778 (≥) 42 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
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
11 - -     0.12 -  
541 317 - 33.3 411   -  
944 - 43 22.2   412 142
Heat treated : 1864°C - 1491°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 GB China
Classification and designation for superalloys and high temperature intermetallic materials
GH3039 GB China
Classification and designation for superalloys and high temperature intermetallic materials
303 YB USA
Stainless Steel Billets and Bars for Forging
A 314 303 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 303 SAE USA
Stainless Steel Forgings
A 581 Type 303 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 Type 303 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
A 895 Type 303 SAE USA
Free-Machining Stainless Steel Plate, Sheet, and Strip
A 959 Type 303 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 314 S30300 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S30300 SAE USA
Stainless Steel Forgings
A 581 S30300 SAE USA
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30300 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
A 895 S30300 SAE USA
Standard Specification for Free-Machining Stainless Steel Bars
F 837 Class A1-50 S30300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S30300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S30300 SAE USA
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S30300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S30300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S30300 SAE USA
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
303 Suppliers

Haihong International Trade (HK) CO., Limited

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
303 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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