|Place of Origin:||Jiangsu, China|
|Minimum Order Quantity:||1 ton|
|Packaging Details:||Original packaging according to the customers Export standard package in bundled or as required.|
|Delivery Time:||within 50 days|
|Supply Ability:||30000MT per year|
|Shape::||Round||Type::||Welded Or Seamless|
Large Diameter Hollow Steel Tube ERW Steel Pipe Welded Precision E355 E235 Steel Pipe
Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's
|Oiled, Galvanized, Phosphate etc|
|Technique||Cold drawn & cold rolled|
|Application||1. Automotive and mechanical pipes|
|2. Petroleum cracking pipes|
|3. High Pressure Boiler Pipe|
|4. Low and middle pressure fluid transportation pipeline|
|5. Chemical fertilizer equipment pipes|
|6. Heat exchanger pipes|
|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.|
|4. Sackcloth with several steel strips.|
|5. Pack in heavy tri-wall boxes.|
Delivery condition of seamless cold drawn mechanical tubing
BK (+C) Cold finished/hard (cold finished as drawn).
BKW (+LC) Cold finished/soft
BKS (+SR) Cold finished/stress relieve annealed.
GBK (+A) Annealed.
NBK (+N) Normalized.
Fuel injection lines/nozzles for diesel or gasoline engine;
Compressed natured gas CNG tube
Drive transmission: steering column elements