India
Alloys 304 (S30400) and 304L (S30403) stainless steels are variations of the 18 percent chromium – 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family.
High strength, excellent corrosion resistance and minimized carbon content make Alloy 304 and 304L Stainless Steels useful for applications where welding is required. Uses include architectural mouldings and trim, welded components of chemical, textile, paper, pharmaceutical and chemical industry processing equipment.
Other advantages are its resistance to oxidation, excellent formability, ease of fabrication and cleaning, excellent strength to weight ratio and good toughness at cryogenic temperatures.
For severely corrosive environments,the lower content of Type 304L is preferred because of its greater immunity to intergranular corrosion.
| Temper | 304 | 304L | ||
|---|---|---|---|---|
| Tensile Rm | 76 | ksi (min) | 70 | ksi (min) |
| Tensile Rm | 517 | MPa (min) | 485 | MPa (min) |
| R.p. 0.2% Yield | 31 | ksi (min) | 25 | ksi (min) |
| R.p. 0.2% Yield | 207 | MPa (min) | 170 | MPa (min) |
| Elongation (2" or 4D gl) | 40 | % (min) | 40 | % (min) |
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Thermal Conductivity | 16.2 | W.m -1.°K-1 |
| Thermal Expansion | 17.2 | mm/m/°C |
| Modulus Elasticity | 19.3 | GPa |
| Electrical Resistivity | 7.23 | μohm/cm |
| Density | 8.0 | g/cm3 |
| 304 | 304L | |||
|---|---|---|---|---|
| Element | Min | Max | Min | Max |
| C | - | 0.08 | - | 0.08 |
| Mn | - | 2 | - | 2 |
| Ni | 8 | 10.5 | 8 | 12.0 |
| Cr | 18 | 20 | 18 | 20 |
| S | - | 0.03 | - | 0.03 |
| N | - | 0.1 | - | 0.1 |
| Si | - | 0.75 | - | 0.75 |
| P | - | 0.045 | - | 0.045 |
STOCKHOLDERS & SUPPLIERS of Stainless Steel 310 Grade, 316 Grade, SS 304 Grade, SS 321, SS 446 Grade, High Nickel Alloys Like Monel, Nickel, Inconel, Hasto Alloy, Nickel Base, Sicromal, Titanium, Cupro-Nickel etc, products like Pipes, Tubes, Plates, Sheets, Rods, Channels, Angles, Pipe Fittings, Wires, Strips, Circles etc.
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