... by clients. Specification: 22×145, 24×161..., 3/4...1"×3-1/2...7-1/2", 15/16×6, Ss5 Ss8, Ss23, Ss25 ... , Ss36 Grade: ASTM A66-87,UIC864-1, 4.6, 5.6, 8.8, Normal and high strength ... .6, 5.6, 8.8 refer to ISO 898-1. Or in accordance with UIC 864-1, 4.6, 5.6 Coating: Black ...