1, high joint strength: According to the principle of work hardening steel, a substantial increase on steel straight thread rolling out strength, so that the tensile strength is greater NPSM 60 CONE than the tensile strength of the nipple straight steel base metal.
2, stable performance: the connection process is not affected by the quality of workers, so the stable performance.
3, the connection speed: Because the use of off-site prefabrication, site assembly way be connected,hydraulic ferrule fittings so good prefabricated steel wire head can reserve a large number of prefabricated reinforced dumps. Tight time schedule, simply increase the assembly workers at the construction site can be.
4, a wide range of applications: in the application scope to spend basically no restrictions, more suitable for bending steel, fixed steel, reinforced steel cage, etc. can not rotate the field units.
5, easy to manage: steel sleeve and will not appear mismatches, testing is also more convenient. Simple, ordinary workers after a few hours of study to become a journeyman.
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