中高碳系列 Medium and high carbon steel quality | 45~70 SWRH42A(B/Cr)~82A(B/Cr) SWRH42B(B/Cr)~82B(B/Cr) 87MnSi | Φ5.5~13 | GB 24238 GB 4354 Q/320582 JYG05 JIS G3506 技术协议 Technical protocol | 要用于电缆主缆用承重钢丝、钢丝绳、镀锌钢绞线、光缆用钢丝、弹簧,以及桥梁的系杆、拉索及体外预应力工程等。 Mainly used for bearing wire of electric cable, drawing wire, steel rope, galvanized steel strands, steel cable, spring, tie rod and cable for bridge use, and prestressed projects. |