SUS303 steel, also known as stainless steel 303, is a stainless steel composed of chromium, nickel, copper and sulfur elements. It has high corrosion resistance and wear resistance, and also has excellent processing properties.
SUS303 Chemical Composition:SUS 303 Stainless Steel typically contains approximately 17-19% chromium, 8-10% nickel, and a sulfur content of 0.15%. The addition of sulfur enhances its machinability.
303 Stainless Machinability:The elevated sulfur content enhances its cutting and machining performance, making stainless steel 303 a preferred choice for applications requiring intricate details, precision components, and threaded fasteners.
Stainless Steel 303 Mechanical Properties:While SUS303 Stainless Steel performs well in machinability, its strength is relatively moderate. It is well-suited for applications where extreme strength is not a primary requirement.

303 Stainless Steel Plate Specification
|
Product Name |
Stainless steel plate/sheet |
|
Thickness |
Cold rolled:0.3-3.0mm |
|
Width |
Cold Rolled: 1000mm, 1219mm, 1500mm, 1800mm, 2000mm or as customer' s requirement |
|
Length |
1000mm-11000mm or as customer' s requirement |
|
Finish |
2B, 2D, 4B, BA, HL, MIRROR, brush, NO. 1-NO. 4, 8K, and so on |
|
Material |
200series:201,202, etc |
|
Package |
clients' requirement and Standard export sea-worthy packing |
|
Standard |
ASME, ASTM, EN, BS, GB, DIN, JIS etc |
|
Package |
clients' requirement and Standard export sea-worthy packing |
|
Delivery time |
3-15 days,subject to the clients' requirement and quantity |
Stainless Steel 303 Chemical Composition
| Chromium | Nickel | Carbon | Manganese | Phosphorus |
| 17.0 min.-19.0 max | 8.0 min.-10.0 max. | 0.10 | 2.00 | 0.20 |
| Sulfer | Silicon | Copper | Nickel | Iron |
| 0.15-0.35 | 1.00 | 1.00 | 0.110 | Balance |
303 Stainless Plate Available Surface
303 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 SS Plate Processing Service
- Machining
- Waterjet cutting
- Plate saw cutting
- Laser cutting
- Plasma cutting


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