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Carbon Steel Tube DIN 2393 St34.2 St44.2 Welded Precision Steel Tubes
Standard: DIN 2393 standard applies to welded precision steel tubes.
Main steel grades: St34.2,St37.2,St44.2,St52.3
Application: It is used for Auto and motorcycle shock absorber,Gas spring ,Hydraulic system steel tube,Electric industry,Construction machinery,Heat exchanger and condenser.
Grade and chemical composition:
| GRADE | C max | Si max | Mn max | P max | S max | Al max |
| S34.2 | 0.15 | 0.30 | 0.60 | 0.025 | 0.025 | D |
| St37.2 | 0.17 | 0.30 | 0.70 | 0.025 | 0.025 | D |
| St44.2 | 0.21 | 0.30 | 1.10 | 0.025 | 0.025 | D |
| St52.3 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | ≥0.020 |
Note:
The content of the microalloy element allows: Nb≤0.03%,Ti≤0.05%,V≤0.05%; Nb+Ti+V≤0.05% D. This steel can also be used for pure aluminum deoxidation Al≥0.020%.
Mark: As required.
Pipe end: Plain end, or as per customers' special request.
Finishing: Polished,brightness,metallic color.
Packing: Exporting package/wooden box /as requirement.
