Alloy 303 Stainless Steel Plate
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of alloy 303 stainless steel plate in China. If you're going to wholesale high quality alloy 303 stainless steel plate made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Alloy 303 (UNS S30300) is a non-magnetic, austenitic, free-machining stainless steel that is a modification of the basic 10% chromium -8% nickel stainless steel specially designed to exhibit improved machinability while maintaining good mechanical and corrosion-resistant properties.
The alloy is nonmagnetic in the annealed condition , but may become slightly magnetic as a result of cold working. The addition of sulfur negatively impacts the corrosion resistance of 303 making it less resistant than 304 to mildly corrosive environments.
| Property | Value |
|---|---|
| Density | 0.285 lbs/in³ (7.89 g/cm³) |
| Specific Heat | 0.12 BTU/lb-°F (32 – 212°F) (502 J/kg-°K (0 – 100°C)) |
| Modulus of Elasticity | 28.0 x 10⁶ psi (193 GPa) |
| Thermal Conductivity | 112 BTU/hr/ft²/ft/°F (16.2 W/m-°K) at 212°F (100°C) |
| Melting Range | 2500 – 2590°F (1480 – 1530°C) |
| Electrical Resistivity | 28.3 Microhm-in at 68°F (72.0 Microhm-cm at 20°C) |
Alloy 303 is resistant to mildly corrosive environments. However, the alloy's corrosion resistance is inferior to 304 in most applications. Its corrosion resistance is superior to 416, another free-machining grade, but is somewhat inferior to other 400 series stainless steels which do not contain higher sulfur levels. In order to obtain optimal corrosion resistance, it is recommended that Alloy 303 be chemically treated to remove sulfides from the final surfaces.
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