Standard DIN 2393 covers precision welded tubes produced from alloys like ST 52.3 BKS. this high precision tube is well suited for several applications like Auto and motorcycle shock absorber, Electric industry, Construction machinery, Gas spring, Hydraulic system steel tube, Heat exchanger as well as for Condenser. These industries prefer the use of DIN 2393 Grade St 52-3 tubes as they have the need for a dimensionally accurate product. In some instances, the St 52.3 DIN 2393 ISO H9 is also used where smaller wall thickness or a reliable surface condition is a mandate.
ST52.3 Steel Tubes Specification List
| Product Type | EN-10025-2 Grade ST52-3 square Tube |
| Specification | OD15*15mm-400*400mm |
| OD | 30*30 – 600*600 mm |
| Wall Thickness | 0.5 – 20 mm |
| Standard | API, ASTM, BS, DIN, GB, JIS |
| Steel material | Q195. Q215, Q235, Q345 |
| Size length | 15mm-400mm, WT: 0.313mm |
| Surface Treatment | Bared, Black Painted (varnish coating), Galvanized, With Oiled, 3 PE, FBE, corrosion resistant coating |
| Section Shape |
Square and rectangular
|
Chemical Material Composition of DIN 17100 ST52.3
| C | Si | Mn | P | S | N | Cu | CEV |
| max 0.24 | max 0.55 | max 1.6 | max 0.04 | max 0.04 | max 0.012 | max 0.55 | max 0.47 |
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