904L Stainless Steel Sheet Thickness, Size and Standards
Feb 05, 2026
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When purchasing 904L stainless steel sheets, understanding the available thicknesses, sizes, and industry standards is crucial for making the right choice. These factors not only affect the material cost but also determine suitability for specific applications, fabrication, and long-term performance.
What are the standards for 904L stainless steel sheets?
904L stainless steel plate (UNS N08904, WNR 1.4539) is a high-alloy austenitic stainless steel with excellent corrosion resistance, primarily manufactured according to ASTM A240 and EN 10088-2 standards. Its thickness ranges from 0.3 mm to over 100 mm (cold-rolled plates are 0.3-6 mm thick, and hot-rolled plates are 3-100 mm thick or more), with standard widths of 1000 mm, 1219 mm, and 1500 mm, and lengths up to 6000 mm.
| Standard | Specification | Description |
|---|---|---|
| ASTM | ASTM A240 / A240M | Standard for heat-resistant and corrosion-resistant stainless steel sheets |
| UNS | UNS N08904 | Unified Numbering System designation for 904L |
| EN | EN 1.4539 | European standard equivalent of 904L |
| JIS | SUS 904L | Japanese Industrial Standard for high-alloy stainless steel |
| GB | GB/T 20878 | Chinese standard for super austenitic stainless steel sheets |
| DIN | DIN 2.4665 | German equivalent for high alloy corrosion-resistant sheets |
Thickness of 904L Stainless Steel Sheets
904L stainless steel sheets are available in a wide range of thicknesses to meet diverse industrial needs:
904L Stainless Steel Ultra-thin sheets (0.3mm – 1mm): Suitable for precision components, decorative panels, and small-scale fabrication.
904L Stainless Steel Standard sheets (1mm – 6mm): Commonly used in chemical tanks, piping, and general industrial applications.
904L Stainless Steel Thick plates (6mm – 20mm): Ideal for structural components, heavy-duty marine parts, and high-pressure equipment.
| Thickness | Size Range | Thickness | Surface Area per Unit weight | Approx Weight per Sheet | ||
|---|---|---|---|---|---|---|
| inches | mm | kg/m² | lbs/ft² | kg | lbs | |
| 0.015 | 36 x 120 | 0.381 | 3.07566 | 0.630 | 8.5617 | 18.90 |
| 0.015 | 36 x 96 | 0.381 | 3.07566 | 0.630 | 6.84936 | 15.12 |
| 0.0178 | 36 x 120 | 0.45212 | 3.690792 | 0.756 | 10.27404 | 22.68 |
| 0.0178 | 36 x 96 | 0.45212 | 3.690792 | 0.756 | 8.22195 | 18.15 |
| 0.0178 | 48 x 120 | 0.45212 | 3.690792 | 0.756 | 13.69872 | 30.24 |
| 0.0178 | 48 x 96 | 0.45212 | 3.690792 | 0.756 | 10.95807 | 24.19 |
| 0.0235 | 30 x 120 | 0.5969 | 4.921056 | 1.008 | 11.4156 | 25.20 |
| 0.0235 | 30 x 96 | 0.5969 | 4.921056 | 1.008 | 9.13248 | 20.16 |
| 0.0235 | 36 x 120 | 0.5969 | 4.921056 | 1.008 | 13.69872 | 30.24 |
SA240 904L Stainless Steel Sheet Gauges
| (APPROXIMATE INCHES) | METAL GAUGE | NOMINAL DECIMAL (+/- INCHES) |
| 0.1644 | 8 | 0.0080 |
| 0.1793 | 7 | 0.0080 |
| 0.1345 | 10 | 0.0070 |
| 0.1196 | 11 | 0.0050 |
| 0.1495 | 9 | 0.0080 |
| 0.1046 | 12 | 0.0050 |
| 0.0179 | 26 | 0.0015 |
| 0.0747 | 14 | 0.0040 |
| 0.0673 | 15 | 0.0040 |
| 0.0897 | 13 | 0.0050 |
| 0.0598 | 16 | 0.0030 |
| 0.0478 | 18 | 0.0030 |
SS 904L Plate Weight Chart
SS 904L Plate Calculation Formula
| Stainless Steel 904L Sheet Weight per sheet (Kg) | Size (mm) | Weight per sheet (Kg) | Size (mm) |
|---|---|---|---|
| 17.9 | 2500 x1250 x 0.7 | 55.3 | 3000 x 1500 x 1.5 |
| 11.5 | 2000 x1000 x 0.7 | 38.4 | 2500 x 1250 x 1.5 |
| 14.7 | 2000 x1000 x 0.9 | 32.7 | 2000 x 1000 x 2.0 |
| 16.4 | 2000 x1000 x 1.0 | 73.7 | 3000 x 1500 x 2.0 |
| 23.0 | 2500 x1250 x 0.9 | 51.2 | 2500 x 1250 x 2.0 |
| 36.8 | 3000 x1500 x 1.0 | 63.9 | 2500 x 1250 x 2.5 |
| 25.6 | 2500 x1250 x 1.0 | 40.9 | 2000 x 1000 x 2.5 |
| 19.6 | 2000 x1000 x 1.2 | 92.1 | 3000 x 1500 x 2.5 |
| 44.2 | 3000 x1500 x 1.2 | 77.5 | 2500 x 1250 x 3.0 |
| 30.7 | 2500 x1250 x 1.2 | 49.6 | 2000 x 1000 x 3.0 |
| 24.6 | 2000 x1000 x 1.5 | 112.0 | 3000 x 1500 x 3.0 |
904L Stainless Steel Sheet Applications
| Industry | Application |
|---|---|
| Chemical & Petrochemical | Reactors, tanks, valves, heat exchangers |
| Marine | Ship components, offshore platforms |
| Food & Beverage | High-end processing equipment |
| Architecture | Decorative panels, handrails, facades |
| Pharmaceutical | Storage vessels, piping systems |
If you have any requirements for the above items, please feel free to place an order. GNEE has a large inventory of popular 904L stainless steel plates for you to choose from. These can be processed into various practical product forms. For detailed chemical composition and free samples, please contact our factory immediately. We offer competitive prices and excellent service.
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