Keywords：
Austenitic Stainless Steel 304
Description
904L (N0890414539) super austenitic stainless steel contains 14.0~18.0% chromium, 24.0~26.0% nickel, and 4.5% molybdenum, belonging to low-carbon, high nickel, and molybdenum austenitic stainless acid resistant riveting 1) high molybdenum, high chromium, and high nickel austenite
2) Good resistance to point corrosion in neutral chloride ion media 3) Excellent resistance to crevice corrosion and stress corrosion cracking 4) Good corrosion resistance in non oxidizing acid environments
| specifications | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| N08904 | ≦0.02 | ≦1.0 | ≦2.0 | ≦0.045 | ≦0.035 | 19.0~23.0 | 23.0~28.0 | 4.0~5.0 | ≦0.1 | 1.0~2.0 |
| ZP904L | 0.01 | 0.55 | 1.4 | 0.25 | 0.001 | 20.4 | 24 | 4.2 | 220 | 1.3 |
| distinguish | Yielding strength (MPa) | Tensile strength (MPa) | Elongation （%） | Hardness (Hv) |
| N08904 | ≧220 | ≧490 | ≧35 | ≦200 |
| ZP904L | 280 | 600 | 48 | 160 |
904L has good corrosion resistance. It has good corrosion resistance to uniform corrosion, pitting and seam corrosion, intergranular corrosion, stress corrosion cracking, and general corrosion, especially in dilute sulfuric acid.
| H. SO4 corrosion resistance | HCI corrosion resistance |
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Scope of application
Applicable Uses
Fertilizer industry, acid making industry, soy sauce manufacturing, flue gas treatment, etc
Product Advantage
1) High molybdenum, high chromium, high nickel austenite
2) Good resistance to point corrosion in neutral chloride ion media
3) Excellent resistance to crevice corrosion and stress corrosion cracking
4) Good corrosion resistance in non oxidizing acid environments
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