Wholesale Price Uncoated Stress-Relieved Steel Wire For Prestressed Concrete - Mine Supporting Big Diameter PC Bar – Silvery Dragon
Wholesale Price Uncoated Stress-Relieved Steel Wire For Prestressed Concrete - 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 |
Product detail pictures:
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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for Wholesale Price Uncoated Stress-Relieved Steel Wire For Prestressed Concrete - Mine Supporting Big Diameter PC Bar – Silvery Dragon, The product will supply to all over the world, such as: Austria, El Salvador, Ghana, We integrate all our advantages to continuously innovate, improve and optimize our industrial structure and product performance. We will always believe in and work on it. Welcome to join us to promote green light, together we will make a better Future!
By Melissa from South Africa - 2017.12.19 11:10
The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
By Beulah from Barcelona - 2018.06.05 13:10
