Piping
Custom Exhaust System Piping
Heat-resistant exhaust pipes engineered for excavators, loaders, and heavy-duty engines — Maxcorro's core product since 1997.
Our flagship product line and core business — Maxcorro holds roughly 80% of China's tier-1 OEM exhaust-pipe market. 30 years of producing custom exhaust system piping for leading OEMs including SANY, Zoomlion, CRRC, LiuGong, and Dongfeng Liuzhou Motor. Built to withstand 800°C operating temperatures, 1.6MPa pressure, and 8,000+ hour service life under the harshest construction-equipment conditions.
Exhaust System Piping Specifications
Process Options
We select the right process for your part based on geometry, volume, material, and cost target.
CNC Pipe Bending
3D rotary-draw bending with ±1° angular tolerance for compound bends and OEM-specified geometries.
Robotic Welding
Automated MIG/TIG welding for consistent, leak-free seams on every joint.
Heat-Resistance Treatment
Anti-corrosion coatings and passivation engineered for sustained 600–800°C operating temperatures.
Pressure & Air-Tightness Testing
Every batch undergoes 1.6 MPa pressure testing and air-tightness verification before shipment.
Materials
Choose from 5+ stock materials. Custom alloys on request.
- Stainless Steel 304 / 316 / 316L
- Heat-resistant Carbon Steel
- Aluminized Steel
- Galvanized Steel
- Inconel (extreme-temperature applications)
Surface Finishes
In-house finishing capabilities, including 140-hour salt-spray-tested coatings.
- High-temperature anti-corrosion coating
- Polished / brushed stainless
- Passivation
- 140-hour salt spray tested
- Painted (high-temp RAL colors)
- Heat-shield wrap (optional)
Material Specifications
Grade properties, temperature ratings, and corrosion data for the materials we use in exhaust system piping.
Common Applications
Frequently Asked Questions
We supply exhaust piping compatible with SANY, Zoomlion, LiuGong, Sunward, and other mainstream brands across excavators, loaders, cranes, rollers, and more. Compatibility is confirmed by your equipment model, serial number, or product spec. We also support custom orders from your drawings or sample parts.
Guides & Resources
304 vs 316 Stainless Steel for Exhaust Pipes: How to Choose
304 or 316 stainless for your custom exhaust pipes? A practical guide for OEM buyers — heat resistance, chloride corrosion, cost, and when each grade wins.
Why Heavy-Machinery Exhaust Systems Fail — and How to Prevent It
Heat, corrosion, and vibration are the main reasons exhaust pipes crack on excavators, loaders, and trucks. Here's what causes each failure mode — and how good design and materials prevent it.
Universal vs Custom Exhaust Pipes: Which Should You Choose?
Universal exhaust pipes are cheap and quick; custom pipes fit exactly and last longer. Here's when to choose each for heavy machinery and commercial vehicles
Other Manufacturing Services
Flexible Connection Piping
Vibration-absorbing multi-ply stainless corrugated hose with braided shielding — built to absorb thermal expansion and engine vibration.
Intake System Piping
Precision-formed intake pipes and intercooler hoses for diesel engines and turbo systems.
Thermal Protection Piping
Insulated and heat-shielded piping for temperature-sensitive components and high-heat zones.
Ready to start your exhaust system piping project?
Upload your CAD file and our engineering team will respond within 24 hours with a detailed quote and DFM feedback.
Request a Quote