The 18" Cutter Ring is forged from heat-treated mold steel (DG-2), carburizing annealing and normalizing are carried out after forging, remove forging stress, refining the grain size, make the raw material have better machinability.
It is Widely Use in Many Fields Like the Following
Subway tunnel
Railway tunnel
Water tunnel


Performance Parameters
◎Impact energy (room temperature AKU):18~27;
◎Tensile strength (MPa):2150~2750;
◎Grain size: Not less than level 9;
◎Edge hardness: 57 - 59 HRC;
◎Cutter Ring Edge: 20-bladed flat-top.


Workshop


Testing Center >>
Tianyou provide products to the whole world follow their quality control systems. Each process has direct responsible people and strictly implement accountability management system.


Exhibition
Every year , we join some exhibitions on tunnel constructions.Glad to have a meet during exhibition.


Certification
Welcome to our company!



Guarantee
We promise that the steel used is carefully selected from top-tier steel mills in China, with uniform and stablecomposition.Each key dimension isinspected individually and strictly.


Why choose us?

1. TEAM
We have professional Design Dept., Sales Dept., Material Dept., Manufacturing Dept., Quality Dept., etc.
2.EXPERIENCE
We are the leading company in the shield construction industry with over 20 years of experience inlarge-scale project construction.
3.PROFESSIONAL LEVEL
We have jointly conducted research and development with renowned steel mills and universities. We meticulously control every detail of the smelting, forging, and heat treatment processes.
Hot Tags: 18" cutter ring, China 18" cutter ring manufacturers, suppliers, 17 Cutter Ring, 20 Cutter Ring, TBM Cutter Hub, TBM Cutter Ring, Tbm Cutter Ring TCI, TBM Monoblock Cutter Hub
