| Customization: | Available |
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| After-sales Service: | Communicate with Us |
| Warranty: | Communicate with Us |
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LORK is a special stainless steel manufacturer with 20 years of manufacturing experience.
304/304H (UNS S30400/ S30409) is a modification of the most widely utilized "18-8″ chromium-nickel austenitic stainless steel. The carbon content is controlled in the range of 0.04-0.10% for increased strength at temperatures above 800°F (427°C). It is an economical and versatile corrosion resistant alloy suitable for a wide range of general purpose applications.
It is common practice for 304H to be dual certified as 304 and 304H. The high carbon chemistry of 304H enables 304 to meet the mechanical properties and grain size requirements of 304H.
304/304H has general corrosion resistance similar to 304/304L. It resists atmospheric corrosion, as well as, moderately oxidizing and reducing environments. However, because of its high carbon content, 304/304H is subject to carbide precipitation in the heat affected zone of welds.
304/304H is non-magnetic in the annealed condition, but can become slightly magnetic as a result of cold working or welding. It can be easily welded and processed by standard shop fabrication practices.
Stainless Steel 304 Applications
| Element | 304 | 304H |
| Cr | 18.0 - 20.0 | 18.0 - 20.0 |
| Ni | 8.0 - 10 | 8.0 - 10 |
| C | 0.08 | 0.04 - 0.1 |
| Mn | 2.0 | 2.0 |
| P | 0.045 | 0.045 |
| S | 0.03 | 0.03 |
| Si | 0.75 | 0.75 |
| N | 0.1 | 0.1 |
| Fe | Balance | Balance |
| Typical | 304 | 304H |
| 0.2% Offset Yield Strength, ksi | 43 | 30 min |
| Ultimate Tensile Strength, ksi | 91 | 75 min |
| Elongation in 2 inches, % | 58 | 40 min |
| Reduction in Area, % | 68 | -- |
| Hardness, Rockwell B | 83 | 92 max |
| 304 stainless steel coil sizes and specifications | |
| Grade | 304 |
| Cold rolled stainless steel coil | Thickness: 0.3mm- 3.0mm, Width: 1000mm - 2000mm, Surface: 2B/BA/SB/8K/HL/1D/2D etc |
| Hot rolled stainless steel coil | Thickness: 3.0mm - 16mm, Width: 1000mm - 2000mm Surface: No.1/pickling |
| Standard | ASTM A240/A480, ASTM B688, ASTM B463/SB463, ASTM B168/SB168, ASTM B443/SB443/B424/SB424B625/SB625 B575/SB575, JIS G4303, BS 1449, DN17441, G4305 |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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