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High Pressure Steel Tube for Fuel Injection

High Pressure Steel Tube for Fuel Injection

1. The high pressure steel tube is especially designed for fuel injection, and the inner wall receives surface treatment to optimize surface stress distribution, thus creating compressive stress on the inner side and tensile stress on the outer side. In this way, cracks will expand at a much lower speed, which means fuel injection pipes have an improved pressure resistance. Additionally, the inner and outer surfaces are bright and glossy.

2. Thanks to the surface strengthening technique which is applied to the inner surface of tube, our fuel injection steel tubing has a high working pressure, usually over 300 bars.

3. The high pressure steel tube stands out from numerous competitors because of its superior dimensional accuracy. For similar products fabricated by other manufacturers, the OD tolerance is usually ±0.08mm. However, our high pressure fuel injection tube has a dimensional accuracy of ±0.05mm, and ±0.03mm is also achievable for some models. In this regard, this is a truly precision steel tube.

Technical Data
1. Standard: DIN ISO8535-1
2. Delivery condition: NBK (N), BKS (SR)
3. Material: St52.4, St52DI
4. Outside diameter: 6mm, 6.35mm, 7mm, 8mm
5. Wall thickness: 1.8mm, 2.0mm, 2.7mm, 3mm, 4mm
6. Dimensional tolerance: Class 2
7. Quality: Inspection Certificate EN 10204-3.1

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