Cold forming section rolls

DoRound pipe rolls, tube roll tooling, tube forming rolls, square/ rectangular tube roll tooling, 

Stainless steel pipe rolls,Rolls for cold forming section and profile.

Round Tube size: Φ6~Φ711mm，   

Square& rectangular tube size: 10x10 - 500x500mm      10x20mm - 400x600mm. 

Raw material:   

China standard:  Cr12, Cr12MoV, Cr12Mo1V1, Aluminum bronze etc...

JIS:   SLD,   SKD11   

DIN:  1.2080   1.2379     

ASTM:  D3     D2.   H13

Machining process:

Raw material-----Rough machining----Semi finishing----In-process inspection & Marking

---- Vacuum Heat-treatment----Face Machining---Inner hole machining----Finish machining---- Wire-cutting----Final Inspection----Packing.

Roll Hardness:58~62HRC          

Templates tolerance ≤0.05mm

Roughness

(1): Inner bore 　　　　

(2): End and other surface  

Inner Bore Diameter Tolerance: Class IT7.       Keyway tolerance: Class 9.

Geometric Tolerance:

        1)Radial run-out ≤0.05mm

       2)Coaxially≤0.05mm

       3) Fce parallel ≤0.05mm

Ultrasonic Test before packing.

Documents provided:

       1)Roll gauge (Template).

       2)Material test certificates.

       3)Raw Material Ultrasonic Test

       4)Heat treatment report.

       5)Product inspection report (Out-diameter, Inner hole, Thickness, Cavity, Hardness...)