5.0mm spiral ribbed PC steel wire is made of high carbon steel 82B, the diameter can be 4.0mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm, 12.0mm. The tensile strength can be 1470Mpa, 1570Mpa, 1670Mpa, 1770Mpa. For more details, welcome to contact us freely!