Specification :

We can supply 2 sides, 3 sides and 4 sides low relaxation indented PC steel wire, which can be used in PC products such as PC hollow-core floor board, PC railway sleeper, PC electrical poles and PC underground pile. It meets GB/T5223-2002
BS5896-1980
AS1310-1987
JISG3536-1994
EN10138-2004
ASTMA881-19 90 standards etc.
As to the low relaxation, 2 sides and 4 sides indented steel wire, we can produce with diameters from 4mm to 9mm and the tensile strengths from 1470Mpa to 1860Mpa as per customers' requirement.