Feature:1 High tensile strength, 2 low relaxation 3aastable modulus of elasticity, 4 non-joint gauge,

Raw Material: High-carbon steel wire rods, SWRH82B,SWRS 82B

Diameter: 12.7mm---17.8mm

Processing: Continuous drawing, hot-dip galvanized surface, stranding, stabilizing treatment

Standard: NF A35-035-2001,YB/T 146-1999

Application: Main cables of long-span suspension bridges , cables of cable-stayed bridges and external reinforcing cables of various constructions and structures.

Standard	Nominal Diameter	Tensile Strength	Specified Non-proportional Elongation	Elongation (%)	Relaxation performance (%)
				L=250mmNot less than	Percentage of initial stress to the nominal tensile strength	1000h stress RelaxationNot more than
						Relaxation Grade 2
YB/T 146	15.2	17701860	220 230	3.5	70	2.5
	15.7	17701860	236 248	3.5
NF A35-035	12.5	17701860	------	3.5
	12.9	17701860	------	3.5
	15.2	17701860	------	3.5
	15.7	17701860	------	3.5

 

Galvanized Steel 7 Wire Strand