high tensile low relaxation prestressed concrete pc steel strand, High Quality China high tensile low relaxation prestressed concrete pc steel strand Suppliers and Manufacturers

high tensile low relaxation prestressed concrete pc steel strand

Supplier Info

[China Supplier]

Contact Person : Ms. zhang Daisy

Tel : 86-312-5903780

Fax : 86-312-5903780

Product Detail

high tensile low relaxation PC strand Style: 1*2 1*3 1*7 Standard: ASTM A416 BS5896 Diameter: 7.94mm

high tensile low relaxation prestressed concrete pc steel strand

Technical Data of High Tensile PC Strand under BS 5896-1980 Standard

Type of Strand	Nominal Diameter	Tolerance on Diameter	Nominal Tensile Strength	Nominal Area of Strand	Nominal Mass	Tolerance on cross-sectional area & mass	Specified Characteristic Breaking Load	Specified Characteristic 0.1% Proof Load	Load at 1% Elongation	Minimum Elongtion at max Load(Lo 500mm min)	Relaxation
	Nominal Diameter	Tolerance on Diameter	Nominal Tensile Strength	Nominal Area of Strand	Nominal Mass		Specified Characteristic Breaking Load	Specified Characteristic 0.1% Proof Load	Load at 1% Elongation		Initial Load (% of actual breaking load)	Max relaxation after 1000hrs
	mm	mm	N/mm2	mm2	g/m		KN	KN	KN		Initial Load (% of actual breaking load)	Relax Class 1(normal relax)	Relax Class2(low relax)
7-WireStandard	9.3	+0.3-0.15	1770	52	408	+4%-2%	92	78	81	3.5%	60%70%80%	4.5%8%12%	1.0%2.5%4.5%
	11.0	+0.3-0.15	1770	71	557		125	106	110
	12.5	+0.4-0.2	1770	93	730		164	139	144
	15.2	+0.4-0.2	1670	139	1090		232	197	204
7-WireSuper	8.0	+0.3-0.15	1860	38	298	+4%-2%	70	59	61	3.5%	60%70%80%	4.5%8%12%	1.0%2.5%4.5%
	9.6		1860	55	432		102	87	90
	11.3		1860	75	590		139	118	122
	12.9	+0.4-0.2	1860	100	785		186	158	163
	15.7	+0.4-0.2	1770	150	1180		265	225	233

high tensile low relaxation prestressed concrete pc steel strand