7 Wire PC Strand Zinc Coated

7 Wire PC Strand Zinc Coated is high strength low relaxation hot-dip galvanized steel strand for prestress. We can produce this product as per Black Metallurgy Industry Standard of the People's Republic of China YB/T152, this product is mainly used in Bridge cables,Buildings for lifting and fixing tension components, and Prestressed structures that 7 Wire PC Strand Zinc Coated do not directly come into contact with concrete mortar. We can produce the diameters 12.5 mm to 15.7mm which is composited with 7 hot-dip galvanized round wire.

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ADVANTAGES

-Primary advantages

Steel strand strictly in accordance with industry standard.

Weight of zinc layer per unit area 190-400 g/m

The zinc layer has strong adhesion, and the pre twisted galvanized steel wire undergoes a winding test. After 6 rounds of winding, the zinc layer on the spiral coil does not peel off.

The galvanized layer is uniform, and the galvanized steel wire sample that constitutes the steel strand is immersed twice (each time for 60 seconds) in a copper sulfate solution, without any bright deposition layer or orange

Adhesion of red copper.

The surface quality is qualified, and the galvanized steel strand has a continuous zinc layer surface without defects

-Why should I buy this 7 Wire PC Strand Zinc Coated ?

We have produce capacity , and can arrange delivery shortly.

-What makes this product different to other factory's 7 Wire PC Strand Zinc Coated?

We have been in this area for many years, and our QUALITY CONTROL is very strict.

USE

-Where can our

-Where can our 7 Wire PC Strand Zinc Coated be used?

Bridge cables,Buildings for lifting and fixing tension components, and Prestressed structures that 7 Wire PC Strand Zinc Coated do not directly come into contact with concrete mortar.

SPECIFICATIONS

Structure	Nominal diameter	Tolerance on Diameter	Nominal Area of Section	Weight of strand	Tensile Strength, Rm	Minimum Breaking load,Fm	0,2% proof force , Fp0.2	Elongation Lo=500mm, Agt	Curvative of strand	Lay Length	The Relaxation at 1000h (initial load to 70% of nominal max load ) (r/%) Not more than
Structure	(mm)	(mm)	(mm²)	(kg/1000m)	(N/mm²)	KN	KN	(%)	mm	mm
1X7	12. 50	+0.30 -0.10	93	730	1860	173	154	3.5	25	(12-16)D	2.5
1X7	12. 90	+0.30 -0.10	100	785	1860	186	166
1X7	15.2	+0.40 -0.20	139	1091	1860	259	230
1X7	15. 70	+0.40 -0.20	150	1178	1860	279	248

PACKAGE

As per clients’ requirement