High pressure steel pipe
Main features: high precision, excellent brightness, no oxidization scale, high cleanness inner surface, flushing the
Specifications
- Specification for high pressure pip
- Outer Diameter: 6mm;6.36mm;7-17mm
- In Diameter: 1.0mm-3.0mm;3.0mm;4.0mm;5.0mm;6.0mm
- Diameter tolerance:
- 0.05mm (Enterprise internal control) or 0.03mm(Special high-precision)
- Length: 4-12 Meters
- Surface treatment
- 1. Bare Tube (No coating)-Bright and smooth; Surface Roughness: BK≤0.2Ra; NBK≤2Ra
- 2. Surface coating
- silver galvanized;yellow galvanized;olive green coated
- Layer thickness:8-25um; saity spray test: 48-150 hours
- Delivery condition
- a. BK(+C) Cold finished/hard (cold finished as drawn)
- No heat treatment after the last cold forming process
- b. BKW(+CC) Cold finished/soft (lightly cold worked)
- After the last heat treatment there is a light finishing pass (cold drawing)
- c. BKS(+SR) cold finished/stress relieve annealed
- After the final cold forming process the tubes are stress relieve annealed
- d. GBK(+A) Annealed
- After the final cold forming process the tubes are annealed in a controlled atmosphere
- NBK(+N) Normalized
- After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
Certificate
- ISO9001:2008
Main Products
Seamless steel pipe