Famous ss plate Manufacturer – The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand – Future Metal

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Famous ss plate Manufacturer – The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand – Future Metal Detail:

Prestressed steel strand is a stranded steel cable composed of 2, 3, 7 or 19 high-strength steel wires, and has undergone stress relief treatment (stabilization treatment), suitable for prestressed concrete or similar purposes.

The main characteristics of prestressed steel strands are high strength, good relaxation performance, and relatively straight when unfolded. The common tensile strength grade is 1860 MPa, and there are strength grades such as 1720, 1770, 1960, 2000, and 2100 MPa. The yield strength of this steel is also very high.

The high-carbon steel wire rod is cold-drawn into steel wire after surface treatment, and then a certain number of steel wires are twisted into strands according to the steel strand structure, and then they are formed through a stress-relieving stabilization process. In order to extend the durability, the steel wire can have metal or non-metal plating or coating, such as galvanizing, epoxy coating, etc. In order to increase the bond strength with the concrete, the surface may have nicks and so on. The molded prestressed steel strand undergoes a mold compression process after stranding, the structure is denser and the surface layer is more suitable for anchoring. To make unbonded steel strands (unbonded steel strands) use ordinary pre-stressed steel strands, coated with anti-corrosion grease or paraffin wax, and then wrapped with high-density polyethylene (HDPE).

Mechanical properties

Dn/mm	Tensile strength Rm/MPa	Maximum force of the whole steel strandFm/KN	Specified non-proportional extension force FP0.2/KN	Maximum force total extension （L0≥500 mm）Agt/%	Stress relaxation performance		Executive standard
					The initial load is equivalent to the maximum percentage of the nominal/%	Stress relaxation rate after 1000hr/%
15.2	≥1860	≥260	≥234	≥3.5	70	≤2.5	GB/T5224-2014
					80	≤4.5
15.24	≥1860	≥260.7	≥234.6	≥3.5	70	≤2.5	ASTMA416-2003

Size and deviation

Dn/mm

Allowable deviation of diameter/mm

Reference cross-sectional area sn/mm2

15.20

+0.40

-0.20

140

15.24

+0.65

-0.15

140

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We insist on offering high quality production with good business concept, honest sales and the best and fast service. it will bring you not only the high quality product and huge profit, but the most significant is to occupy the endless market for Famous ss plate Manufacturer – The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand – Future Metal , The product will supply to all over the world, such as: Sri Lanka, Amman, Brasilia, Our staffs are rich in experience and trained strictly, with qualified knowledge, with energy and always respect their customers as the No. 1, and promise to do their best to deliver the effective and individual service for customers. The Company pays attention to maintaining and developing the long-term cooperation relationship with the customers. We promise, as your ideal partner, we'll develop a bright future and enjoy the satisfying fruit together with you, with persisting zeal, endless energy and forward spirit.

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