St52 BK Ready to Honed Cold Drawn Seamless Tube

DIN2391 Precision Seamless Steel Tube 

O.D.: 6-256mm, W.T.:1-25mm, 

Length: 5.2-5.8M random length, 5.5M fixed length, 5.8M fixed length

Size Tolerance: O.D.±0.10mm, I.D.±0.10mm

Material: St52 (DIN2391), E355 (EN10305-1)

Delivery Condition: BK, +LC

1. Cold drawn/Rolled steel pipe without anneal +BK condition

OD roughness : Ra 0.8um 

2. Cold drawn/Rolled steel pipe annealed +BKS condition

Od roughness; Ra 0.8um, stress relieved, good mechanical property.

3. ID honed/ OD without polishing.

ID roughness>ra0.8um , High precision with Good quality ID tolerance H8

4. ID honed/ OD Polished.

ID tolerance ; H8 , roughness; ra0.4-ra0.6um

100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.

 

 

Tags: DIN2391 St52 BK, Preicision Seamless Steel Tube, DIN2391 Steel Tube, BK steel tube, Drag Link steel tube, DIN2391 St52 steel tube, EN10305-1 E355 +LC, EN10305-1 Steel Tube, Drag Link Steel Tube E355, Cold Drawn Steel Tube, Seamless Precision Cold Drawn Tube.