Forging Forged Mandrel Bars/Retained Mandrel Bars

• Customization: Available
• as Per The Drawing: as Per The Clients
• Transport Package: Plywooden Case
• Model NO.: Mandrel Bars
• Trademark: jj11
• HS Code: 722840000
• Production Capacity: 5000 Tons/Year

Product Description

We are professional Mandrel Bars, Retained Mandrel Bars factory from china

Mandrel Bars are one of the key pieces of tooling required during the production of Seamless Tubes and Pipes. Once the billet has been pierced, the Mandrel Bar supports the tube shell internally during elongation and wall thickness reduction.
Our Mandrel Bar capabilities include, but are not limited to:
Diameters up to 500mm;
Lengths up to 25, 000mm;
A variety of seamless tube mill types including;
MPM, PQF and FQM mills;
Assel Mills both floating and retained;
Plug and Pilger mills;
Material specification as required, including AISI H13, X35CrMo V51 and 4CrMoSi V1;
Heat treatment:
Normalized / Annealed / Quenched / tempered
Surface Treatment:
painting,plating,polishing,black oxide,transparent anti-rust oil
Quality control:
UT,MT,RT,PT,chemical composition test,mechanical property test,etc.
Inspection:
1, Raw material certificate(material chemical composition) 2, Heat treatment sheet report
3, Dimension inspection report      4, UT test report 
Delivery condition:
Hot forged +Rough machined (black surface after Q /T)+ Turned 
Competitive Advantage:
Quality control and management to the whole produce process, including ingot smelting, forging, heat treatment, machining and strictly final inspection prior to delivery.
Excellent product quality and service, competitive price, "in-time" delivery

Name&Description	Capacity	Quantity
3600Thydraulic press	Max. single forging in 18T	1
2000T hydraulic press	Max. single forging in 9T	2
800 hydraulic press	Max. single forging in 5T	1
6T electrical hydraulic hammer	Max.single forging in 5T	1
3T electrical hydraulic hammer	Max.single forging in3T	1
Air hammer	Max.single forging from250kg to 1000kg	7
Forging operation machine	Max.singe forging from20T-5T	7
Heat treatment Furance	Max.8000*5000*1500mm	11
CNC driling machine	Max.5000mm	2
Vertical lathe	From 1600 to 5000mm	60
Horizontal lathe	Max.5000mm	70
Band sawing machine	260-1300mm	36