Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2021-06-18 04:16
211
Company Profile
Zaozhuang Goldshell Import & Export Co., LtdBy certification [File Integrity]
Contact:goldshell(Mr.)
Email:
Telephone:
Phone:
Area:Beijing
Address:Beijing
Website:http://www.metalgoldshell.com/ http://goldshell.shenzimc.com/
Piercer roll for hot rolling pipe mill
Brief introduction
The piercer used in the Mannesmann tube making process usually has a pair of main rolls disposed to oppose each other while interposing the specified pass line, in the
case of the piercing/rolling operation , barrel type main rolls are used,a plug disposed along the pass line as an inner surface regulating tool and guide shoes or disk rolls disposed to oppose each other while interposing the pass line as tube guiding
members.the deformation form of the material in the course of piercing at the outlet side of the piercing process from the gorge portion of the main roll in the piercing/rolling operation.
Products specifiaction and properties
Material (standard) |
Roll -50Mn forged; Shaft-36CrMoNiMo4 |
Size |
220mm-720mm |
Hardness |
240-260HB standard. |
Heat treatment |
Annealing, quenching and tempering |
Good design |
Embossing enhances bite force. |
Physical properties |
Free from internal cracks |
Inspection |
UV tested |
QA+QC:
Heat treatment will adopted, annealing, quenching and tempering.
MT ,UV and hardness report will submitted for approval before shipment.
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http://www.metalgoldshell.com/
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