TORICH Seamless Carbon Mild 300mm Large Diameter ST37 15Mo3 High Pressure 4 Inch C45 Heavyr-caliber Heavy Thick Wall Steel Pipe

TORICH Seamless Carbon Mild 300mm Large Diameter ST37 15Mo3 High Pressure 4 Inch C45 Heavyr-caliber Heavy Thick Wall Steel Pipe Outside Diameter: 20 – 300 mm  Wall Thickness: 5– 25 mm  Tolerances:  OD:  D 5 – 10 mm: ± 0.15 mm  D 11 – 30 mm: ± 0.30 mm  D 32 – 50 mm: ± 0.40 mm  D 51 – 140 mm: ± 0.8% WT:  S 0.4 – 1 mm: ± 0.12 mm  S 1.2 – 5 mm: ± 10%  S 5.5 – 12 mm: ± 8%  Notes:  1. Steel grades: 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi, 15CrMo  acc. to GOST 1050-88, GOST 19281-89, GOST 4543-71.  Others steel grades are available subject to agreement. 2. Dimensions and tolerances acc. to GOST 8734-75. 3. Technical requirements acc. to GOST 8733-74. 4. Length from 1.5 to 11.5 m depending on diameter and wall thickness.  Chemical Composition:…