AISI 303 Stainless Steel contains approximately 17-19% chromium, 8-10% nickel, and 0.15% sulfur. The addition of sulfur improves processing properties.
303 Stainless Machinability:303 stainless steel has good processing properties and is suitable for manufacturing parts that require high precision processing. However, its strength is relatively low.
303 Stainless Steel Corrosion Resistance:303 material contains chromium and nickel as primary alloying elements, providing enhanced corrosion resistance, particularly in mildly corrosive environments.Relatively low resistance to corrosion, especially prone to corrosion in chloride environments.

AISI 303 Stainless Steel Plate Specification
|
Product |
Stainless Steel Plate |
|
Material |
303 Stainless steel |
|
Grade |
200 Series, 300 Series, 400 Series,etc |
|
Thickness |
0.3-120mm,below 3mm is stainless steel 2b sheet ,over 3mm is stainless steel hot rolling sheet. |
|
Specification |
2b sheet/hot rolling No.1 sheet:1000×2000mm,4×8(1219×2438mm) |
|
Size |
Cold Rolled Stainless Steel Plate: Width: 300mm-6000mm |
|
Surface Processing |
NO1, 2B, BA, matte / hairline, 8K / mirror, embossed, etching, color mirror, color embossing, color etching etc. |
|
Supply Ability |
10000 Ton/Tons per Month |
|
Package & Delivery |
PVC waterproof + strong-worthy ocean wooden packing |
303 Stainless Plate Available Surface
303 steel plate is a versatile material that can be used in various industries due to its excellent corrosion resistance and machinability.One benefit of 303 material is its availability in different surface finishes, including 2B, NO.1, and BA.,etc.We also accept customer customization

303 Stainless Steel Sheet Processing Service
- Machining
- Waterjet cutting
- Plate saw cutting
- Laser cutting
- Plasma cutting


303 SS Material Properties
|
Grade |
UNS No |
Old British |
Euronorm |
Japanese JIS |
||
|
BS |
En |
No |
Name |
|||
|
303 |
S30300 |
303S31 |
58M |
1.4305 |
X8CrNiS18-9 |
SUS 303 |
303 Steel Plate Chemical Composition-Weight %
| Chromium | 17.0 min.-19.0 max. | Sulfer | 0.15-0.35 |
| Nickel | 8.0 min.-10.0 max. | Silicon | 1.00 |
| Carbon | 0.10 | Copper | 1.00 |
| Manganese | 2.00 | Nickel | 0.110 |
| Phosphorus | 0.20 | Iron | Balance |
SS 303 Material Mechanical Properties
| Yield Strengtd 0.2% Offset | Ultimate Tensile Strengtd | Elongation in 2 in. | Hardness | ||
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
| 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) |
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