Cast Iron Exhaust Manifold

Ningbo Supreme Machinery is a professional manufacturer and supplier of cast iron exhaust manifold in China. Our foundry has supplied cast iron exhaust manifold for our clients in USA, UK and Australia for many years.

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Product Description

Ningbo Supreme Machinery is a professional cast iron exhaust manifold manufacturer and supplier. The cast iron exhaust manifold has been designed to hug close to the engine block so they fit into a wide variety of replacement and engine–swap applications. Their contoured design aims the exhaust directly at the exit port for improved flow. Being cast iron means they will provide years of leak–free performance with less under hood noise than traditional headers.

Features

Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles

Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance

Trustworthy design - built by industry leader in aftermarket manifolds

Part Name	cast iron exhaust manifold
Standard	ISO, EN, DIN, AISI, ASTM, JIS, GB
Casting Process	Green sand casting, resin sand casting,
Material Grade	GGG40, GGG50 etc.
Roughness	Ra3.2-Ra12.5
CNC Machines	12 sets of MC and 20 sets of CNC lathes
Machining Tolerance	0.01mm-0.05
Quality Control	The first sample checking, process monitoring and final quality checking
Finish	Phosphating, primer painting, anti-rust oil, powder coating, galvanized zinc coating, electro polishing and shot blasting
Certificate	ISO9001-2015, ISO14001-2015
Service	OEM/ODM offered

Cast iron exhaust manifold material grade option:

High quality of ductile iron The material is resistant to wear and corrosion.

QT400	QT450	QT500	QT600
FCD400	FCD450	FCD500	FCD600
GGG40	GGG45	GGG50	GGG60
GS370-17	GS400-12	GS500-7	GS600-2
400/17	420/12	500/7	600/7

HT250	HT300	HT350
FC250	FC300	FC350
GG25	GG30	GG35
NO.35	NO.45	NO.50
G25	G30	G35

Production Process

We have updated our production line for making cast iron exhaust manifold . Our production process include resin sand molding line, shell molding line, green sand casting and lost wax investment casting production process.

Machining Workshop

We have full set line of machining facilities, various CNC equipment and Machining Center can meet customers’ requirements. After machining, the casting parts will be completed. Then, they will be inspected and packed for delivery and shipment.

Quality Control

Checking the raw material after they reach our factory------- Incoming quality control

Checking the details before the production line operated

Have full inspection and routing inspection during mass production---In process quality control

Checking the goods after they are finished---- Final quality control

Checking the goods after they are finished-----Outgoing quality control

Packing and Delivery

Packaging of cast iron exhaust manifold can be customized based on customer requirements to meet the different needs, such as plastic bag, carton box, wooden case, crate, etc.