KUNGFLEX high-purity gas steel tubing is manufactured from 316L / 316L VAR high-purity seamless stainless steel base material. After cold-rolled solution treatment and electropolishing, the inner wall surface finish meets SEMI F20 standards, with low particle shedding and low outgassing rates. Suitable for ultra-high-purity specialty gas delivery lines in semiconductor processes. Can be paired with VCR fittings and double ferrule fittings to assemble clean gas line systems.