- Overview
- Recommended Products
Solution annealing heat treatment at 1050°C followed by rapid quenching
Precision CNC machining of flanges and connection interfaces
Full-passivation surface treatment enhancing corrosion resistance
Non-destructive testing including liquid penetrant inspection
Amphibious agricultural tractors operating in coastal regions
Diesel-powered marine tractors for wetland farming
Aquaculture service vehicles with extended water operation
Coastal construction equipment requiring marine-grade exhaust systems
In the demanding environments where marine tractors operate, exhaust system performance directly impacts engine efficiency and service life. Our New Custom Casting Stainless Steel Engine Exhaust Pipes represent a breakthrough in marine exhaust technology, combining corrosion-resistant materials with precision manufacturing to deliver exceptional durability and performance for amphibious and coastal agricultural operations.
Advanced Material Specifications
These exhaust pipes are manufactured using premium austenitic stainless steels - primarily SAE 304/L and 316/L grades - selected for their superior performance in marine environments. The 316/L variant with molybdenum enhancement provides exceptional resistance to pitting corrosion from saltwater exposure, while all grades maintain structural integrity under continuous thermal cycling from 400°C to 800°C. The chromium-nickel alloy matrix creates a protective passive layer that self-repairs, ensuring long-term protection against corrosive exhaust condensates and salt spray.
Performance Characteristics
• Superior Corrosion Resistance: Withstands saltwater immersion and spray conditions far exceeding carbon steel alternatives
• Thermal Fatigue Resistance: Maintains structural integrity through repeated heating-cooling cycles
• Optimized Flow Dynamics: Custom-cast geometries minimize backpressure and improve engine scavenging efficiency
• Extended Service Life: 3-5x longer lifespan compared to fabricated steel counterparts in identical operating conditions
Precision Manufacturing Process
Our exhaust components are produced using advanced investment casting techniques, beginning with rapid prototyping of custom patterns based on engine specifications. The ceramic shell casting process enables complex internal passageways and optimized mounting geometries unachievable through conventional fabrication. Post-casting processes include:
Marine Applications
Specifically engineered for:
These custom-cast stainless steel exhaust pipes provide marine equipment manufacturers with a durable, high-performance solution that withstands the unique challenges of saltwater environments while maintaining engine efficiency and meeting emission control requirements through optimized exhaust flow characteristics.
Item Name |
Custom Cast Iron Ggg25 Ggg80 Ggg60 For Exhaust Manifold |
General Products Application |
Metal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system, Agriculture machine metal Parts, engine bracket, truck chassis bracket, gear box , gear housing , gear cover, shaft, spline shaft , pulley, flange, connection pipe, pipe, hydraulic valve , valve housing ,Fitting , flange, wheel, fly wheel, oil pump housing, starter housing, coolant pump housing, transmission shaft , transmission gear, sprocket, chains etc. |
Main blank Process for Casting |
Sand Casting , Resin Sand Casting, Green Sand Casting, Shell Molding, Automatic Molding, Lost Wax Casting, Lost Foam Molding Casting etc. |
Blanks Tolerance -Casting Tolerance |
CT9-10 for Machine Molding Process, CT8-9 for Shell Molding and Lost Foam Molding Casting Process CT10-11 for Manual Molding Sand casting Process |
Applicable Material |
See Table Below (Ductile Iron Casting, Grey Iron Casting) OR According to customer requirement |
Casting Blank Size /Dimensions |
2 mm-2000mm / 0.08inch-79inch for casting iron, according to customer requirement |
Casting Blank Weight |
Range from 0.01kg-1000kg for engine mounting bracket |
Applicable Machining Process |
CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/ Broaching/Reaming /Grinding/Honing and etc. |
Machining Tolerance |
From 0.005mm-0.01mm-0.1mm |
Machined Surface Quality |
Ra 0.8-Ra3.2, according to customer requirement |
Applicable Heat Treatment |
Normalization , annealing, quenching and tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching |
Applicable Finish Surface Treatment |
Shot/sand blast, polishing, Surface passivation, Primer Painting , Powder coating, ED- Coating, Chromate Plating, zinc-plate, Dacromat coating, Finish Painting etc. |
MOQ |
For cast iron: 100pcs For Machining: 50pcs |
Lead Time |
45 days from the receipt date of cast iron ggg60 |







