... 2,advanced testing equipment. 3,competitive price . Specifications1)Commodity:welded Stainless Steel Tube 2))Material: 304,316L,304L,316,321 ... 3)Thickness: 0.5mm-20mm 4)Length: 1m-12m Welded Stainless Steel TubeMaterial Grade 304,304L,316 ,316L,321, ... Hairline 400G, 500G, 600G or 800G Mirror finishTesteddy current inspection, ultrasonic inspection, X-ray inspection, real-time imaging, hydrostatic test, ...