Heavy-Duty 4-Inch Stainless Steel Exhaust Pipe Systems Engineered for automotive and marine exhaust applications, our 4-inch stainless steel exhaust pipes (101.6mm OD) are precision-formed from 310S/316Ti alloys with ±0.2% ovality tolerance. Key specifications:
Continuous service temperature: 950°C (1742°F)
2B surface finish + 120 mesh interior polishing for optimal gas flow
Compatible with TIG welding and mandrel bending processes
Seaworthy wooden crate packaging (60x40x40cm/unit) with 7-day production lead time Ideal for performance vehicle upgrades and industrial boiler systems requiring 20+ psi backpressure resistance.
High-Temp Chimney Pipe Stainless Steel Solutions Designed for commercial chimney installations, our ASTM-compliant stainless steel chimney pipes feature:
2205 duplex alloy construction (PREN ≥38) for acid flue gas resistance
1.5mm-6mm wall thickness options with ±0.1% dimensional accuracy
120 mesh electropolished interiors to prevent soot accumulation
1500-hour salt spray test compliance (ASTM B117 standard)
Custom decoiling and punching services for modular chimney assembly Suitable for biofuel plants and coastal high-rise venting systems requiring 10+ year corrosion warranties.
Flexible Corrugated Stainless Steel Gas Pipe Networks Certified for natural/LPG gas distribution, our corrugated stainless steel gas pipes deliver:
360° bend radius flexibility without kinking (ASTM F2280 compliant)
304/316L material options with 0.5-2.0mm corrugation depth
5,000 PSI burst pressure rating at 50°C ambient temperature
Laser-etched ID markings for ANSI Z21.24 traceability
Available in 25m coils or pre-cut lengths with brass fitting compatibility Essential for commercial kitchen gas lines and underground fuel transfer systems requiring seismic-resistant piping.
