The surface quality of steel round bar shall conform to GB/T3077-2015 “ALLOY STRUCTURE STEEL”-6.10.1 The surface of steel materials used for pressure processing
The surface of steel materials used for pressure processing shall be free of crack, scar, folding or sundry matters. In case of any above mentioned indications,they should be eliminated thoroughly. The depth for elimination should be not more than 1/2 allowance of steel size from the actual size of the steel materials. The width should be 5 times less than the depth. There should be at most one maximum elimination depth in the same cross-section. It is permitted to have small flaws, indentations, pock marks whose actual size do not exceed half of the allowance error or cracks whose depth do not exceed 0.2mm.
Our manufacture have the most advanced facility of heat treatment, with experienced experts and service teams. Main products are Wind turbine foundation cage, anchor bolts, studs, nuts, washers, rock bolts, heat treating round bars, heat treated stirrup, seamless tubes.
Anyang Longteng Heat Treatment Material Co.,Ltd
Add: Industrial Park, Indu District, Anyang City, Henan Province, P.R.C.
TEL: +86-372-2256782
Email: [email protected]
Post time: Aug-22-2018