(1) Defects on the surface;(2) There are inclusions at the centre;(3) There is martensite abnormal structure at the centre;(4) The pulling stress is over the tensile strength of the materials;(5) Insufficient lubrication;(6) Poor welding;(7) There are some problems in terms of pre-treatment technology such as the pickling time is too long or the concentration and temperature of acidizing fluid are...

PC Strands shall be stored in dry warehouses. For open-air construction site or field operation, PC Strands shall be put on sleepers with tarpaulin, which can prevent ground water vapor. Rust preventive packaging is needed for special storage environment.

(1)Deformation due to heat in all forms shall be prohibited;(2) No welding;(3) Toothless saw (grinding wheel) shall be used when cutting PC Strands.(4) Most PC Strands are left lay; it shall be specified in contract if right lay is required because this will influence the connection with anchorage device.

With anti-corrosive grease as the protective layer and polyethylene plastic as protective material, unbonded pc strand is isolated from concrete, and as a result, the unbonded pc strand can move flexibly within the protective material and this makes construction process easier. In addition, the protective materials will bring better corrosion resistance property and increase its service life.

The quality of CHUNPENG PC strand compared to the Standard AATM A41612.7MM [1/2"] 270K[1860MPA] Seven wire prestressed concrete steel strandParameterStandardOur product1) Diameter of Strand, mm[in.]12.7 [1/2]12.7 [1/2]2) Tensile Strength, Mpa186019623) Diameter Tolerance, mm[in.]+0.65 -0.15[+0.026 -0.006]+0.20 -0.09[+0.008 -0.004]3) Minimum Breaking Strength of Strand, kN [lbf]183.7 [41300...

Our price is moderate, and quality can't be compromised for the price.

365 days return policy.

11 production line13 wire darawing machines Covering the sizes from 4.85mm to 23mm diameter Reaching the output of 500,000 tons.

Manufacturer with registered capital USD 16 million, covering a land area of 90,000 m2.

Free sample can be sent on your requirement.

Small quantity can be accepted.

21 years of production and export experience. Exporting pc strand to more than 20 countries such as America, Sigapore, Vietnam, India, The united Arab Emirates.

Pc strand manufacturer in China