China High quality 304 2b Factory – The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand – Future Metal

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China High quality 304 2b Factory – 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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China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures

China  High quality 304 2b Factory –  The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand –  Future Metal detail pictures


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No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for China High quality 304 2b Factory – The Best Steel Prestressed Engineering Prestressed Concrete Steel Strand – Future Metal , The product will supply to all over the world, such as: Greece, Macedonia, Montreal, Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our products and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".
  • The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
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    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
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