... of the claw tortoise-shell net, high temperature resistant lining materials are generally not stereotypes with tortoise-shell net, carbon steel (A3F), special circumstances ... materials for lining the anchor roleOptional: have A material of carbon-steel 0Cr13 1Cr13 j j. 0Cr18Ni9 1Cr18Ni9Ti j, pitch 2cm ... thick 6cm, network - - 2.5 cm, thickness of 1mm - 3mm high quality tortoise-shell net