End Shape
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Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's
requirements
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Surface
Treatment
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Oiled, Galvanized, Phosphate etc
|
Technique
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Cold drawn
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Application
|
1. Automotive and mechanical pipes
|
2. Petroleum cracking pipes
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3. High Pressure Boiler Pipe
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4. Low and middle pressure fluid transportation pipeline
|
5. Chemical fertilizer equipment pipes
|
6. Heat exchanger pipes
|
Delivery
Conditions
|
1. BK (+C)
|
No heat treatment after last cold forming process.
|
2. BKW (+LC)
|
After last heat treatment there is a light finishing pass (cold drawing)
|
3. BKS (+SR)
|
After the final cold forming process the tubes are stress relieve annealed.
|
4. GBK (+A)
|
After the final cold forming process the tubes are annealed in a controlled atmosphere.
|
5. NBK (+N)
|
After the final cold forming process the tubes are annealed above the upper
transformation point in a controlled atmosphere.
|
Package
|
1. Bundle Packing.
|
2. Plain end or vanished as per customer's request.
|
3. Wrapped in waterproof paper.
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4. Sackcloth with several steel strips.
|
5. Pack in heavy tri-wall boxes.
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