303 stainless steel is a versatile and widely used material renowned for its excellent machinability and corrosion resistance properties. Containing chromium-nickel as basic,303 steel add sulfur to enhance its machinability, making it a preferred choice for applications requiring intricate designs and precise components.303 stainless is particularly well-suited for the production of sheets due to its favorable combination of formability and durability.
The sulfur addition to 303 stainless steel sheet is responsible for the improved machining and galling characteristics. However, the addition of sulfur to 303 stainless steel lowers its corrosion resistance compared to grade 304 and 304L. While the sulfur improves machining, it also causes a decrease of the toughness
303 Stainless Plate Specification
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Product Name |
303 Stainless Steel Plate | |||
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Material |
201,202,301,302,303,304,304L,316/L/H,317,904L,2205,etc | |||
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Thickness |
0.1~20 mm |
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Length |
100~12000 mm |
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Width |
10~2000 mm |
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Standard |
ASTM, JIS, GB, AISI, DIN, BS,EN |
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Packing |
Industry standard packaging or according to client's requirement |
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303 Stainless Steel Sheet Processing and Fabrication Service
- Plasma cutting
- Plate saw cutting
- Laser cutting
- Waterjet cutting
- Machining
303 SS Material Properties
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Grade |
UNS No |
Old British |
Euronorm |
Japanese JIS |
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BS |
En |
No |
Name |
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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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