Stainless Steel 904L Pipes bring excellent resistance to sulfuric acid to your projects. GXH Steels supplies these pipes for demanding industrial applications where standard grades fall short.
What Is Stainless Steel 904L?
Grade 904L stainless steel belongs to the Super-Austenitic family. It contains 20% Cr, 25% Ni, 4.5% Mo, Cu. This composition gives the material its excellent resistance to sulfuric acid.
GXH Steels manufactures Stainless Steel 904L Pipes to meet ASTM and international standards. Each pipe goes through quality checks before shipping.
For applications needing standard corrosion use, Stainless Steel 316L Pipes provide an excellent choice.
Key Features
Here’s what sets Stainless Steel 904L Pipes apart:
- Corrosion Resistance – Superior in reducing acids and chlorides.
- Temperature Performance – Rated for service up to 450°C.
- Material Composition – Contains 20% Cr, 25% Ni, 4.5% Mo, Cu for balanced properties.
- Quality Assurance – Every batch includes mill test certificates and documentation.
Projects requiring intermediate alloy may also benefit from Grade 317LMN Pipes.
Stainless Steel 904L Pipes Chemical Composition
The chemical composition of Grade 904L stainless steel per ASTM/AISI standards:
| Element | Composition (%) |
|---|---|
| C | 0.02 |
| Mn | 2.00 |
| Si | 1.00 |
| P | 0.045 |
| S | 0.035 |
| Cr | 19.0-23.0 |
| Ni | 23.0-28.0 |
| Mo | 4.0-5.0 |
| Cu | 1.0-2.0 |
Stainless Steel 904L Pipes Mechanical Properties
Mechanical properties of Grade 904L in annealed condition:
| Property | Value |
|---|---|
| Tensile Strength | 490 MPa (71068 psi) |
| Yield Strength (0.2%) | 220 MPa (31908 psi) |
| Elongation (in 50mm) | 35% |
| Hardness | 180 HB (Brinell) |
Stainless Steel 904L Pipes Physical Properties
Physical characteristics of Grade 904L stainless steel:
| Property | Value |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Range | 1300-1390°C |
| Thermal Conductivity (at 100°C) | 12.0 W/m·K |
| Specific Heat | 500 J/kg·K |
| Electrical Resistivity | 95 μΩ·cm |
| Thermal Expansion (20-100°C) | 15.0 μm/m·°C |
Available Sizes and Dimensions
GXH Steels supplies Stainless Steel 904L Pipes in the following size range:
| Specification | Range |
|---|---|
| Nominal Pipe Size | 1/8″ to 24″ NPS (DN6 to DN600) |
| Wall Thickness | 0.5mm to 50mm |
| Length | Up to 12 meters (random or fixed) |
| Schedules Available | 5S, 10S, 40S, 80S, SCH 10, SCH 40, SCH 80, SCH 160, XXS |
Applicable Standards
Stainless Steel 904L Pipes conform to these industry standards:
- Seamless Pipes: ASTM A312, ASTM A213, ASTM A269
- Welded Pipes: ASTM A312, ASTM A358, ASTM A409
- Tubes: ASTM A213, ASTM A249, ASTM A269
- General: EN 10088, JIS G4304/G4305
Applications
Stainless Steel 904L Pipes work well for:
- Sulfuric acid plants
- Phosphoric acid
- Seawater systems
- Chemical processing industry installations
Benefits
Choosing Stainless Steel 904L Pipes saves you money on replacements and downtime. The material handles sulfuric acid plants and phosphoric acid conditions without degrading quickly. You get pipes that perform as expected, backed by GXH Steels’s technical support.
Why GXH Steels?
GXH Steels has supplied stainless steel products to chemical processing and fertilizer sectors for years. Our team knows the technical details of each grade. We help you pick the right specification for your project and provide documentation for your quality requirements.
Get Stainless Steel 904L Pipes Today
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