钢丝绳索具及起重配件

Material : Forged alloy steel quenched and tempered. Safety factor : 5 times. Standards : Generally to U.S. Federal Spec RR-C-271. Finish : Painted. Certificates : Material certificate 3.1 on request Manufacturer certificate Proofload certificate NDT inspection certificate Classification inspection certificate (DNV, Lloyds, ABS, BV etc.)