Stainless Steel Pipe Tube A213 TP348 S34800 In Automotive Exhaust Systems
Stainless steel offers superior corrosion resistance due to its high chromium content. Grade 348 stainless steel, similar to 321 stainless steel, utilizes stable elements like coltan or tantalum to enhance intergranular corrosion resistance.
UNS S34800 contains 18-20% chromium and 9-13% nickel, along with trace elements including carbon, manganese, phosphorus, sulfur, and silicon. This composition creates an alloy with excellent corrosion and rust resistance, plus outstanding heat resistance, making it ideal for extreme environmental conditions such as high-temperature industrial environments or areas with high humidity.
UNS S34800 is suitable for various applications due to its combined properties of corrosion resistance, wear resistance, formability, and weldability. Ideal uses include:
- Automotive exhaust systems
- Food processing equipment
- Medical devices
- Refineries and chemical plants
- Other industrial settings with extreme environmental conditions
| Element | Min | Max |
|---|---|---|
| C | 0.08 | |
| Si | 1 | |
| Mn | 2 | |
| Ni | 9 | 12 |
| P | 0.045 | |
| S | 0.030 | |
| Cr | 17 | 19 |
| Co | 0.20 | |
| Ta | 0.10 |
Unit Conversions:
10-6*K-1 = 10-6/K
1 Ω*mm²/m = 1 μΩ*m
1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
1 GPa = 1 kN/mm2
1 MPa = 1 N/mm2
- Each pipe undergoes nondestructive electric testing or hydrostatic testing
- Standard pipe lengths range from NPS 1/8" to NPS 8" (15 to 24 ft), with custom lengths available
- Finished pipes are reasonably straight with workmanlike finish
- Butt weld ends conform to ANSI B 16.25 standards
- Pipe marking includes: Logo, Standard, Size, Heat No., Lot No., H.T/E.T/U.T
- Packaging includes plastic end caps, anti-rust steel strip, and plastic woven bag/film wrapping
- Packing marked with: Size, Steel Grade, Quantity, Weight, and Meterage
- Official MTC (Material Test Certificate) provided with each order
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