Engine Tubing
Engine Tubing
High-Precision Engine Tubing Manufacturer
Welded steel tubing and seamless steel tubing are both used for engine purposes. Engine tubing plays a crucial role in the normal operation of the engine. It ensures the smooth transmission of substances such as fuel, coolant, air, and exhaust gas between various engine components.
Welded steel tubing can be made in a variety of sizes and wall thicknesses to meet different engine design requirements. It is also relatively cost-effective compared to seamless steel tubing, as the manufacturing process is less complex.
Seamless steel tubing is commonly used in the engine's cooling system, where it needs to withstand high-pressure coolant circulation. It is also used in the engine's lubrication system to transport oil under pressure to various engine components safely and reliably.
Engine Tubing Specification
| Product Name | Seamless/ERW engine tubing |
|---|---|
| Manufacturing Standard | ASTM, DIN, JIS, EN, GB, BS... |
| Steel Grade | SPHC, DX51, Q235, GR.A, GR.B, GR. C, 10#, 20#, 35#, 45#, STK 500, STK540, STK 500, SPTG370, STPG410, STS370/410/480, 1008, 1020, 1013, 4140, 5130 etc. |
| Product Types | Engineering Pipe, Tubing and Casing, Roller Pipe, Construction Pipe, Automobile pipe, etc. |
| Outer Diameter | 10 - 160mm |
| Wall Thickness | 0.5mm ~ 20mm |
| Length Range | 0.5 - 12M |
| Pipe Coating | Oiling, Lacquering, Hot-Dip Galvanizing, Powder Painted, Electro-Galvanized |
| Pipe End Type | Square End, Bevelled End, Threaded End, Grooved End, Shouldered End |
Supply Condition (Heat Treatment)
| Cold drawn / hard (+C) | No heat treatment after last cold forming process. Highest strength, lower ductility. |
|---|---|
| Cold drawn / soft (+LC) | After last heat treatment there is a light finishing pass (cold drawing). |
| Cold drawn (+SR) | After the final cold forming process the tubes are stress relieve annealed for better stability. |
| GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere. |
| NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. |
Seamless Tubing Manufacturing Process
The round steel bar is used to produce seamless pipe. After heating the bar to a high temperature, a probe is put into the bar to produce a hole. The cylinder is then moved to rollers that shape it to the required diameter and wall thickness.
ERW Tubing Manufacturing Process
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