Specification: RB\LB\SLB G≥2g/ T≥7MMSeason: June-July,September to OctoberBrand: OEM or ASIA FARMProcessing method: quick-freezing processingPreservation method: store under -18℃
Black carbon welded steel pipe means Electric Resistance Welded Pipes, mainly character is the welding beam is smooth, two end no burr, hardness is very strong, so some special material can be used for machine components.