Technical Specifications & Applications Precision-Engineered for Extreme Environments ASTM 300 series standards , these stainless steel tubes feature **±0.1%-0.3% dimensional accuracy** and 2B surface finish . Ideal for:
Threaded stainless steel pipe fittings (NPT/BSPP threads, 304/316L grades)
1.5 inch stainless steel exhaust pipe (38.1mm OD, 2.0mm wall thickness)
2 1/4 stainless steel exhaust pipe (57.2mm OD, 3.0mm wall thickness)
Product Type
Key Specifications
Material Grade
Temperature Limit
Pressure Rating
1.5" Exhaust Pipe
38.1mm OD, 2.0mm wall, mandrel-bent
409/441
850°C cyclic
25 bar
2 1/4" Exhaust Pipe
57.2mm OD, 3.0mm wall, TIG-welded
321
900°C cyclic
30 bar
Threaded Elbow Fittings
1/2"-4" NPT, 150# class
316Ti
400°C sustained
50 bar
Threaded Couplings
Sch 80, 304/316L
304L
300°C sustained
60 bar
Exhaust Manifold Tubing
2.5" OD, 4.5mm wall, polished
310S
1,100°C peak
15 bar
Key Features
Exhaust System Solutions :
409/441 alloys resist vibration fatigue in 1.5 inch exhaust pipes
310S-grade 2 1/4 inch pipes handle turbocharger heat (up to 1,100°C)
Threaded Connection Excellence :
NPT/BSPP threads cut to ASME B1.20.1 standards
Triple-layer Teflon tape grooves for leak-proof seals
Surface & Durability :
120 mesh polished surfaces reduce exhaust flow resistance
Salt spray tested per ASTM B117 (1,000+ hours)
Global Logistics & Compliance
Packaging : 60×40×40cm wooden crates with VCI anti-rust coating (1,000kg gross)
Certifications : ISO 4144 (threaded fittings), EN 10088-2 (corrosion resistance)
MOQ : 1 ton with 30%TT + balance terms
Lead Time : 7 days for standard configurations
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