Custom Stainless Steel Precision Casting Automobile Accessories Exhaust Pipes
Product Description
Using advanced lost wax investment casting process, equipped with several modern types of energy-saving & environmentally-friendly production lines,including automatic or semi-automatic production lines of key processes: wax making, shell making, pouring, heat treatment.
Annual supply capacity is 20,000 tons.
Equipped with complete advanced CNC machining equipments,including 30 vertical and horizontal centers, and more than 30 CNC machines and 50 other machining equipments.
The machining facility is fully independent from the casting foundry and has an independent management team and tailored business model to suit. In addition to the casting, forging and machining, it also has the facility to machine various profiles.
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Technology
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Investment Casting
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Material
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Steel/Stainless steel/Copper/Aluminum,etc.
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Surface Treatment
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Sand blasting, polishing, Electroplating, powder coating, Anodize, passivation ,Tumbling, Chromating, etc.
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Application
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Auto parts, machinery parts, household parts, Cooker parts, furniture parts, Light fixture, lamp cover, led light housing,heat sink, etc
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Processes
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1, Sign Drawing (General clients provide the drawing or samples)
2, Make the Mold
3, Casting
4, Precision Machining (Burring, Lathe, Milling, etc)
5, Surface treatment.
6, Inspection and Packing
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Dimensions:
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Customized
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Drawing file:
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IGS, STP, STEP, X_T, PDF ,DXF
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Specifications
We can offer you investment casting parts, railway casting parts, railway parts, excavator machinery
parts, mining machinery parts, engineering machinery, agricultural machinery parts, sand casting,
bucket tooth, auto parts, stamping & forging, and valve parts. We are capability in manufacture
non-standard metal machining.
1. Investment casting sand casting/ lost wax casting/precision casting/gravity casting/stainless
steel casting/carbon steel casting/ die casting/cookware handle casting/pan handle casting/home
hardware casting.
2. Materials: Carbon steel, stainless steel, alloy steel and duplex steel, wcc, wcb, lcc, color metal etc;
3. Surface treatment: Heat treatment, machining, polishing, anodizing, hard anodizing, galvanized, enp,
chrome plating, powder coating and painting;
4. Software for specification drawings: Pdf, auto CAD, solid work, proe;
5. Main production equipments: Wax injection, CNC-machine, heat treatment furnace;
6. Quality assurance in accordance with ISO9001: 2008, strict material inspection and exact dimension
control, 100% quality control.
7. OEM order is welcome.
8. The parts can be made completely based on your specifications such as drawing, design, sample etc.
9. Export Markets: Australia Investment Casting / Precision Casting, America, United States. U. S. A.
Investment Casting / Precision Casting, Canada Investment Casting / Precision Casting; U. K. England,
Britain Investment Casting / Precision Casting, Germany.
1) Checking the raw material after they reach our factory------- Incoming quality control ( IQC)
2) Checking the details before the production line operated
3) Have full inspection and routing inspection during mass production---In process quality control(IPQC)
4) Checking the goods after they are finished---- Final quality control(FQC)
5) Checking the goods after they are finished-----Outgoing quality control(OQC)
| Mininum of Quantity |
100 Piece/Pieces |
| Unit Weight |
0.5kg~300kg |
| Price |
FOB Qingdao,China,USD1.5~1.9 |
| Packing Details |
Paper Box in Wooden Pallet |
| Delivery Time |
One month |
| Payment Terms |
L/C, T/T |
| Machining |
CNC or Machining |
| Supply Capacity |
50 Metric Tons per Month |
| Standard |
DIN,ASTM,GOST,B |
FAQ
1. What are Cast Automobile Exhaust Pipes/Manifolds?
A Cast Automobile Exhaust Manifold (often referred to as an exhaust header or downpipe section) is a critical engine component that collects exhaust gases from multiple engine cylinders and channels them into a single exhaust pipe. It is manufactured via metal casting processes (like sand casting or investment casting) to create complex, high-temperature, and durable shapes that optimize exhaust flow and engine performance.
2. What materials are used for casting exhaust manifolds?
Material selection is paramount for thermal and mechanical performance:
Gray Cast Iron (GCI): Traditional, cost-effective, good thermal fatigue resistance. Common for many OEM applications.
Ductile (Nodular) Cast Iron: Higher strength and ductility than gray iron, better impact and thermal shock resistance.
Austenitic Stainless Steel Castings (e.g., CF8C / A351 HK30, CF8 / 304 equivalent): For high-performance and aftermarket headers. Offers superior high-temperature strength, corrosion resistance, and weight savings.
Silicon Molybdenum Ductile Iron (Si-Mo): Enhanced high-temperature oxidation resistance.
We provide full material certification.
3. What casting processes do you utilize?
We employ the optimal process for quality and volume:
Sand Casting: Most common for cast iron manifolds. Suitable for medium to high volumes, allows for complex geometries.
Shell Molding: Provides better dimensional accuracy and surface finish than conventional sand casting.
Investment Casting (Lost Wax): Used for complex, high-precision stainless steel performance headers. Excellent for thin walls and intricate runner designs.
CAD/CAE Simulation: Used in all processes for mold flow and solidification analysis to prevent defects.
4. Can you produce parts for both gasoline and diesel engines?
Yes. We manufacture manifolds for a wide range of applications:
Gasoline Engines (Passenger Cars, Motorcycles, Performance Vehicles)
Diesel Engines (Light-Duty Trucks, Industrial Equipment, Generators)
Turbocharged Applications: Including integrated turbo flanges and housings.
The design and material specifications vary significantly between these applications.
5. How do you ensure the part withstands extreme heat and thermal cycling?
We engineer for thermal durability:
Material Science: Selecting alloys with high thermal fatigue strength.
Design Optimization: Using FEA (Finite Element Analysis) to model thermal stresses and minimize stress concentrations.
Controlled Cooling & Heat Treatment: Processes like annealing to relieve internal stresses from casting and improve microstructure.
High-Temperature Testing: Sample parts undergo thermal cycling tests.
6. What about surface finishing and coatings?
Post-casting treatments enhance performance and appearance:
Shot Blasting: Standard for cleaning and surface preparation.
High-Temperature Paints/Coatings: Ceramic-based coatings can be applied to reduce under-hood temperatures and improve appearance.
Natural Finish: As-cast or machined surfaces for OEM integration.
7. Do you offer machining and assembly services?
We are a full-service foundry and machine shop:
Precision Machining: We can provide fully machined manifolds, including flange facing, port matching, drilling/tapping of all bolt holes, and O2 sensor bung installation.
Sub-Assembly: Welding on heat shields, attaching EGR fittings, or assembling with gaskets and studs.
This provides a ready-to-install component for our customers.
8. How do I provide specifications for a quote (OEM/Replacement)?
For an accurate quote, we need the following:
For OEM/New Design: 3D CAD data (IGES, STEP) is ideal. 2D drawings with all critical dimensions, tolerances, and material specs.
For Replacement/Aftermarket: A physical sample of the old part is best. Clear photos from multiple angles and key dimensions (flange bolt pattern, port sizes, overall length) are essential.
Annual Volume Forecast: Crucial for determining the most cost-effective process (tooling vs. unit cost).
Application Details: Engine make/model, performance requirements, any testing standards.
9. Do you also manufacture other cast automotive parts?
Absolutely. We specialize in cast components for:
Engine: Brackets, covers, pulleys, turbo housings.
Transmission: Housings, cases.
Chassis & Suspension: Knuckles, control arms, differential cases.
Brake Systems: Calipers, drums.
10. How can I start a project or request a sample?
Contact us via email with your project details (as outlined in question #8). We will review and provide a preliminary process recommendation, quotation, and sample plan.
Quality First,Price Best,Service Foremost !
We assure you of ourbest services at all times !
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