Stainless Steel 409 Pipes bring lowest chromium ferritic grade to your projects. GXH Steels supplies these pipes for demanding industrial applications where standard grades fall short.
What Is Stainless Steel 409?
Grade 409 stainless steel belongs to the Ferritic family. It contains 11% Cr, Ti stabilized. This composition gives the material its lowest chromium ferritic grade.
GXH Steels manufactures Stainless Steel 409 Pipes to meet ASTM and international standards. Each pipe goes through quality checks before shipping.
For applications needing ultra-low carbon, Stainless Steel 409L Pipes provide an excellent choice.
Key Features
Here’s what sets Stainless Steel 409 Pipes apart:
- Corrosion Resistance – Good for exhaust gas environments.
- Temperature Performance – Rated for service up to 815°C continuous.
- Material Composition – Contains 11% Cr, Ti stabilized for balanced properties.
- Quality Assurance – Every batch includes mill test certificates and documentation.
Projects requiring better corrosion resistance may also benefit from Grade 430 Pipes.
Stainless Steel 409 Pipes Chemical Composition
The chemical composition of Grade 409 stainless steel per ASTM/AISI standards:
| Element | Composition (%) |
|---|---|
| C | 0.08 |
| Mn | 1.00 |
| Si | 1.00 |
| P | 0.045 |
| S | 0.030 |
| Cr | 10.5-11.75 |
| Ti | 6xC min |
Stainless Steel 409 Pipes Mechanical Properties
Mechanical properties of Grade 409 in annealed condition:
| Property | Value |
|---|---|
| Tensile Strength | 380 MPa (55114 psi) |
| Yield Strength (0.2%) | 170 MPa (24656 psi) |
| Elongation (in 50mm) | 20% |
| Hardness | 155 HB (Brinell) |
Stainless Steel 409 Pipes Physical Properties
Physical characteristics of Grade 409 stainless steel:
| Property | Value |
|---|---|
| Density | 7.7 g/cm³ |
| Melting Range | 1480-1530°C |
| Thermal Conductivity (at 100°C) | 25.0 W/m·K |
| Specific Heat | 460 J/kg·K |
| Electrical Resistivity | 59 μΩ·cm |
| Thermal Expansion (20-100°C) | 11.7 μm/m·°C |
Available Sizes and Dimensions
GXH Steels supplies Stainless Steel 409 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 409 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 409 Pipes work well for:
- Automotive exhaust
- Catalytic converters
- Mufflers
- Automotive industry installations
Benefits
Choosing Stainless Steel 409 Pipes saves you money on replacements and downtime. The material handles automotive exhaust and catalytic converters 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 automotive and exhaust systems 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.
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