Good quality Stress-Relieved Wire - Mine Supporting Big Diameter PC Bar – Silvery Dragon

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Good quality Stress-Relieved Wire - Mine Supporting Big Diameter PC Bar – Silvery Dragon Detail:

PC bar for mine anchor cable (mine supporting big diameter PC bar)
This product is heat-treated spiral rib bar with resin anchoring structure for mine anchor cable. Its specifications are φ16.0mm, φ18.0mm, φ20mm, and the tensile strength grade are 1080Mpa, 1270Mpa, and 1420Mpa. The product has the characteristics of high strength, high toughness, low relaxation, total elongation under maximum force Agt≥3.5% and impact absorption energy Akv/J≥32. Its shape is spiral rib. It is a new type of support material that combines the advantages of ordinary resin anchor rod and high-strength PC strand materials. During application, it adopts tensioning method to apply preload and only the tail of the bar is stretched to avoid the torsion of traditional anchor rods caused by applying preload through pre-tightening torque and breakage in shear. The tensioning method can also greatly increase the pre-tightening force and improve support effect. It is a new type of material for mine support.

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Key parameters & reference standards

Appearance	Nominal Dia.(mm)	Tensile Strength(MPa)	Relaxation(1000h)	Standards
Spiral Groove	6.1,7.1,9.3,10.0,10.7,12.67.4,9.2,11.0,13.0	1230,1420	Low relaxation≤2.5%	JIS G3137, GB/T5223.3KS D3505
PC bar for mine anchor cable	16.0,18.0,20.0	1080,1270,1420	Low relaxation≤2.5%

PC-Bar-in-Coil

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Our concentrate on should be to consolidate and enhance the quality and service of present products, meanwhile consistently produce new products to meet unique customers' demands for Good quality Stress-Relieved Wire - Mine Supporting Big Diameter PC Bar – Silvery Dragon, The product will supply to all over the world, such as: Belgium, Slovenia, Russia, We have gained a lot of recognition among customers spread all across the world. They trust us and always give repetitive orders. Furthermore, mentioned below are some of the major factors that have played significant role in our tremendous growth in this domain.

7 Wire Ordinary Strand