Seamless precision st52 st37.4 din2391 cold rolled honed tube

1. Processing:honing 2. OD:50-250mm 3. Accuracy:H7-H9 4. Fast delivery,competitive pric

din2391 CDS tube 1.Standard:DIN 2391 EN10305 2.Material:ST52 St52.4 St45 e355 3.MOQ:10MTS

din2391 CDS tube

Processing:Cold drawn or cold rolled (Burnish or other requirements can be agreed)

Length: ≤10m

 Straightness:0.3~0.8mm/m

Wall Thickness tolerance:±10%

Inner roughness :0.8~1.6μm

Dimensional Accuracy:

1.Tolerance on Inner Diameter:H8  H9

2.Tolerance on Wall Thickness:

Diameter: >40 +/-0.2mm

Diameter:40 <100 +/-0.3mm

Diameter >100 +/-0.5mm

3.Surface Roughness:Ra=0.3~0.4micron

Length:Random length4.5-6m or as per order confirmation

Mill Test Certification :En10204/3.1B

4.Delivery condition:BKS

1)Main Features: high precision, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.

2)Main Application:to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required