... St 52 2.Length up to 9M 3.MOQ:25Ton 4.Ability:100,000Ton/Year DIN 1629/3 1.0831 St52 ... 2, St 44-22.Length up to 9M3.MOQ:25Ton4.Ability:100,000Ton/Year DIN 2391. Seamless Precision Steel TubesOutside ... St 35, St 45, St 52Length up to 9 m.Test certificates according to DIN EN 10204. SizesNominal Size, mmWall Thickness, mm6 ... ,0250,025St 44-20,210,301,10,0250,025 DIN 1629/3 1.0831 St52/DIN1629/4 1.0832 ...