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15mm WT Precision Seamless Steel Tubes , High Precsion Steel Tube Pipe
|Shape||Round||Application||Automotive Part, Hydraulic System, High-precsion Machining. Etc.|
|Delivery Condition||+C,+LC，+SR，+N，+A||Payment||T/T; L/C|
|Sample||Free Sample||Material||E235, E355; St37.4, St52.4|
precision seamless pipe,
seamless steel tube
Precision Seamless Steel Tubes Delivery Condition BKW Standard EN10305-1 Steel Round Pipe
Precision seamless steel tube is a high precision steel tube after cold rolling or cold drawing
|Standard||EN10305-1; DIN2391; DIN2445|
|Material||E235, E355, St37.4, St52.4|
|Outer Diameter Range:||4-120mm|
|Wall Thickness Range:||0.5-15mm|
BKW(+LC): After the final heat treatment there is a suitable drawing pass.
Other Delivery Conditions
NBK(+N): After the final cold drawing operation the tubes are normalized in a controlled atmosphere.
GBK(+A): After the final cold drawing process the tubes are annealed in a controlled atmosphere.
BK(+C): No heat treatment after the final cold drawig process.
BKS(+SR): After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
1. Smaller outer diameters;
2. High precision can be done in small batch production;
3. Cold drawing finished products with high precision and good surface quality.
4. The transverse area of the steel tube is more complicated;
5. Steel pipe performance is superior, metal is more dense.