Min. Order Reference FOB Price
10 Tons US$600.00-800.00 / Ton
Product Description
25U 29U 36U Mining Arch support steel Material: 20Mnk Weight: 25Kg/M,29Kg/M,36Kg/M Length: 8-12m Standard: GB/T4697-2017 Detailed Parameters: Size Specifications(mm) Weight (kg/m) Steel Grade Length (m) H1 H2 B M 25U 110 17 134 6.6 24.76 20MnK 8-12 29U ...