Alloy 303 (UNS S30300) Stainless Steel Sheet
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of alloy 303 (uns s30300) stainless steel sheet in China. If you're going to wholesale high quality alloy 303 (uns s30300) stainless steel sheet made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Alloy 303 (UNS S30300) is an austenitic stainless steel developed for applications requiring extensive machining operations. The alloy has a sulfur addition which assists in breaking up turnings while reducing drag on the cutting tool when compared to the machining characteristics of the conventional 18-8 stainless steels.
Alloy 303 was developed specifically for ease of machining. The sulfur addition assists in breaking up turnings which reduces drag on the cutting tool. It produces small brittle chips and may be machined at high speeds with deep cuts and heavy feeds.

| Property | Value |
|---|---|
| Density | 0.285 lbs/in³ (7.87 g/cm³) |
| Specific Heat | 0.12 BTU/lb-°F (32 – 212°F) (502 J/kg-°K (0 – 100°C)) |
| Electrical Resistivity | 29.3 Microhm-in at 68°F (74.0 Microhm-cm at 20°C) |
| Tensile Strength | 85 ksi (586 MPa) |
| Yield Strength | 35 ksi (241 MPa) |
| Corrosion Resistance | Good in mild environments |
| Weldability | Poor, due to sulfur content |
| Magnetism | Slightly magnetic when cold worked |
The high sulfur content of Alloy 303 also has a detrimental impact on hot workability. If hot forming is required, once again, 304 should be considered as an alternate selection.
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