SS 904L Stainless Steel Sheets
Precision Alloys is a premium manufacturer and exporter of SS 904L stainless steel sheets in India, delivering superior corrosion-resistant sheets that meet ASTM B625, ASME SB625, EN 10088, and DIN 1.4539 standards. Designed for extremely corrosive environments, SS 904L is widely used in chemical processing, marine structures, and high-purity industrial applications.
What are SS 904L Stainless Steel Sheets?
SS 904L stainless steel sheets are made from a non-stabilized austenitic stainless steel alloy with high levels of chromium, nickel, molybdenum, and copper. This composition offers exceptional resistance to acids, chloride-induced stress corrosion, and pitting/crevice corrosion—making it ideal for sulfuric acid handling, seawater exposure, and pharmaceutical-grade processing.
SS 904L Stainless Steel Sheets Specifications
| Property | Specification |
|---|---|
| Material Grade | SS 904L |
| UNS Number | N08904 |
| EN / WNR | 1.4539 / X1NiCrMoCu25-20-5 |
| Thickness Range | 0.5mm – 50mm |
| Standard Widths | 1000mm / 1220mm / 1500mm / 2000mm |
| Length | Custom cut lengths or coil form |
| Surface Finishes | 2B, No. 1, No. 4, BA, Mirror (8K), Hairline |
| Standards | ASTM B625, ASME SB625, EN 10088, DIN 1.4539 |
SS 904L Stainless Steel Sheet Chemical Composition
| Element | % Composition |
|---|---|
| Carbon (C) | 0.02 max |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 19.0 – 23.0 |
| Nickel (Ni) | 23.0 – 28.0 |
| Molybdenum (Mo) | 4.0 – 5.0 |
| Copper (Cu) | 1.0 – 2.0 |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.035 max |
Mechanical Properties of SS 904L Stainless Steel Sheets
| Property | Value |
|---|---|
| Tensile Strength | 490 – 710 MPa |
| Yield Strength | 220 MPa min |
| Elongation | 35% min |
| Hardness | ≤ 90 HRB |
| Service Temperature | Up to 450°C |
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