Stainless Steel Exhaust Tube (430 436L 439 441 444)
SUS436L welded pipe is a high-quality stainless steel pipe designed for demanding applications, particularly in automotive exhaust systems and industrial environments.
Chemical Composition (wt%)
Composition limits as specified in ASTM A240 and ASME SA240*
| Element | 436 |
| Carbon | 0.12 |
| Chromium | 16.0-18.0 |
| Molybdenum | 0.75-1.25 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
* Maximum, unless range is indicated
Mechanical Properties
Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240
| Property | 436 |
| Yield Strength, min. (ksi) | 40 |
| Tensile Strength, min. (ksi) | 65 |
| Elongation, min. (%) | 20 |
| Hardness, max. (Rb) | 90 |
Physical Properties
Physical properties for Type 436 stainless steel
| Property | 436 Data |
| Density, lb/in³ | 0.276 |
| Modulus of Elasticity, psi | 29.0 x 10⁶ |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 5.6 x 10⁻⁶ |
| Thermal Conductivity, Btu/ft hr ˚F | 13.0 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 23.6 |
Standards Compliance
Typical standards for Type 436 stainless steel
- ASTM A240
- ASME SA240
- AMS 5503
Download Data Sheet
Applications
Although Alloy 436 is designed principally for the automotive exhaust industry, it has been successfully used in other industrial applications as well. Some examples of applications that call for Alloy 436L include:
- Automotive exhaust systems
- Catalytic converters
- Mufflers
- Tailpipes
- Farm equipment
- Structural support and hangers
- Transformer cases
- Furnace components
- Heat exchanger tubing
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Data are typical, are provided for informational purposes, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice. We make no representation or warranty as to its accuracy and assume no duty to update. Actual data on any particular product or material may vary from those shown herein.