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Delivery Condition GBK Precision Seamless Steel Tubes Standard EN10305-1 Steel Round Pipe
What is precision seamless steel tubes?
Precision seamless steel tube is a high precision steel tube after cold rolling or cold drawing
Main Date
Standard: EN10305-1
Material: E235, E355
OD: 4-120mm
WT: 0.5-15mm
Delivery Condition
GBK(+A): After the final cold drawing process the tubes are annealed in a controlled atmosphere.
Other Delivery Condition aviliable:
| BK(+C): | No heat treatment after the final cold drawig process. |
| BKW(+LC): | After the final heat treatment there is a suitable drawing pass. |
| BKS(+SR): | After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere. |
| NBK(+N): | After the final cold drawing operation the tubes are normalized in a controlled atmosphere. |
Application
Automotive Part,
Hydraulic System,
High-precsion Machining.
etc.
