... , St45, St52, E235, E3 DI DIN 2391 Seamless Precision Steel TubesDetailed product description: 1)Standard: DIN2391, EN10305-1, ... EN10305-42) Steel grade: St35, St37, St45, St52, E235, E3553) ... . WT0.5-8mmMax length 12meters. 5) All steel tube can test Ultrasonic flaw detector, Eddy current ... transportFlexible payment DIN 2391 Seamless Precision Steel Tubes