DIN 2393 Grade St 34-2 represents a type of low carbon alloy steel primarily designed for structural purposes. It is commonly employed in conjunction with the standard DIN 2393 to manufacture a diverse range of seamless and welded tubes.
| DIN | |||
| Product Name | Executive Standard | Dimension (mm) | Steel Code / Steel Grade |
| Seamless Steel Tubes for Elevated Temperature | DIN 17175 | Ø10~762 x WT1.0~120 | St35.8, St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36 |
| Seamless Steel Tubes | DIN 1629 / DIN 2391 | Ø13.5~762 x WT1.8~120 | St37.0, St44.0, St52.0, St52.3 |
| Seamless Steel Tubes | DIN 2440 | Ø13.5~165.1 x WT1.8~4.85 | St33.2 |
| Seamless Steel Pipes for Structural Purpose | DIN 2393 | Ø16~426 x WT1.0~36 | RSt34-2, RSt37-2, RSt44-2, St52 |
| Starting material Steel billets of various dimensions and grades, continuously cast or rolled Billet preparation Billet saws Furnace technology Billet centering  |
Piercing From the billet to the hollow Cross-rolling mills (cone type and barrel type piercing) Billet descaling 3-roll piercing mills Hollow inside deoxidation Cooling and quick-change systems for piercing tools  |
Elongating expanding From the hollow to the shell PQF® / MPM mill CPE/TPE mill / Push bench technology Assel mills, Plug mills, Hot pilger mills Elongators Rotary Expanders  |
| Finish rolling From the shell to the tube Reheating furnace (gas fired/induction) High pressure water descaling unit Sizing mill, Stretch-reducing mill FPS adjustable rolling stands Tube layer saws  |
Finishing line From the rolling mill to the dispatch area Groove dressing machines for PQF® cartridges Stretch-reducing and sizing mill stands  |
Products Seamless tubes of various dimensions Diameters: 21.3 mm to 914.4 mm Wall thicknesses: 2.11 mm to 60 mm  |
