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China Epoxy Coated PC Steel Strand Suppliers
The main characteristics of prestressed steel strand and relaxation properties of high strength is good, other than the upright when expanded. Common tensile strength rating of 1860 MPa, as well as 1720,1770,1960,2000,2100 MPa strength grade of the class.
(1) Standard: GB/T5223, ASTM A416, BS5896.
(2) Raw Material: SWRH 82B high carbon steel wire rod
(3) Stress-relieved high-tensile-strength and low-relaxation prestressed concrete strand
(4) 1×7 strand left or right hand lay