Grade 304L is part of the ASTM A182 standard, which includes valves, flanges, fittings, and other components subject to pressure and temperature conditions. This standard is part of stainless steel materials. Grade 304L is a type of forged stainless steel.
The buyer is responsible for specifying the grade of items such as valves, fittings, flanges, etc., that need to be procured. This selection depends on the design requirements, operating conditions, mechanical properties, high-temperature specifications, or corrosion resistance characteristics.
All casting grades such as 304, 304L, 316, 316L must have suitable thermal behavior for design and chemical specifications.
Grade 304L, a type of cast stainless steel, has the following chemical properties:
| Carbon % | Manganese % | silicon % | sulfur % | phosphorus % | Chromium % | Nickel % | |
| 0.035 | 2 | 1 | 0.03 | 0.045 | 18.0-20.0 | 8-13 | |
The mechanical properties of Grade 304L are as follows:
| TENSILE STRENGTH KSI (Mpa) | Yield strength ksi (Mpa) | Elongation in 2in. Or 50mm |
| 70 (485) | 25(170) | 30 |
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