Tianjin Shengte Prestressed Concretes Steel Strand Co., Ltd. specializes in the production of pc steel strands, wire, bar and unbonded pc strand with rich technical forces. Raw material supplier: Shougang, Shagang, Baosteel, Tianjin Iron&Steel Co., Ltd. Our main products: Low relaxation pre-stressed concrete steel strand. Specification as following: (1) GB/T5224:1*3-4.8mm-5.2mm-6.2mm-8.6mm and others; ASTM A416: a)1*7-6.4mm-7.9mm-9.5mm-9.53mm-11.11mm -12.7mm-13.2mm-14.29mm-15.20mm-15.24mm-17.78mm b)1*19-18.0mm-19.3mm-20.3mm-21.8mm BS5896:1*7-6.0mm-8.0mm-9.30mm-12.50mm EN10138: a)1*3-4.5mm-4.8mm-4.85mm-5.2mm-5.6mm-6.0mm -6.5mm-6.9mm-7.5mm-8.5mm b)1*7-6.9mm-7.0mm-8.0mm-9.0mm-9.3mm-9.6mm-11.0mm- 11.1mm-11.3mm-12.5mm-12.9mm-13mm-15.2mm-15.3mm- 15.7mm-18.0mm UVE36094:1*7-5.6mm-6.0mm-6.5mm-6.8mm-7.5mm-9.3mm-13.0mm- 15.2mm-16.0mm NBR7484: a)1*3-6.5mm-7.6mm-8.8mm-9.6mm-11.1mm b)1*7-9.5mm-12.7mm-15.20mm (2)