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Shipbuilding Seamless Steel Tube Light Weight ST52.4 With Long Service Life
|Shape||Round||Application||Automotive Part, Hydraulic System, High-precsion Machining. Etc.|
|Delivery Condition||+C,+LC，+SR，+N，+A||Standard||DIN2391, DIN2445|
|Processing||Cold Drawn, Cold Rolled||Certificate||TS16949,DNV,PED,ISO|
precision seamless pipe,
seamless round tubes
Round Steel Pipe DIN2391 DIN2445 St52.4 High Precision Seamless Steel Tubes
Tensile strength: 470-660 Mpa;
Yield strength: 275-345 Mpa;
|Outer Diameter Range:||4-120mm|
|Wall Thickness Range:||0.5-15mm|
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.
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.
As customer's requirements.