Product name: Cold Drawn Seamless Fluid Steel Tubes, ST37.4 NBK Automotive Tubes.
Material: 10#, 20#, Q235, Q345, ST37.0, ST35.8, St37.2, St35.4/8, St42, St45, St52, St52.4, ASTM A53B, ASTM A106B, API 5L B, X42, X46, X52, X60, X65, STPG38, STPG42, STPT42, STB42, STS42, STPT49, STS49.
Technique: Cold drawn.
Application:
1. Automotive and mechanical pipes.
2. Petroleum cracking pipes.
3. High Pressure Boiler Pipe.
4. Low and middle pressure fluid transportation pipeline.
5. Low and middle pressure fluid transportation pipeline.
6. Heat exchanger pipes.
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 acontrolled atmosphere.
End Shape: Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements.
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.