DIN 1629 St 52.3 nahtlose Stahlrohr
Produktbeschreibung
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Din 1629 seamless steel pipe Chemical Composition and Chemical Property |
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1 DIN 1629 applies to seamless circular tubes and pipes made of unalloyed steels 2 Material: ST37.0 ST44.0 ST52.0 3 OD: 6mm to 325mm (up to 12") 4 thickness: 1mm to 50mm 5 length: up to 12 meters |
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6 these tubes are predominantly used in the construction of chemical plant, vessels, |
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pipe work and for general mechanical engineering purpose |
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7 DIN number of dimensional standard DIN2448 |
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8 manufacturer process hot or cold rolling, hot pressing or hot and cold drawing |
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9 marking: we will be clearly and durably marked at one end, as follows |
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A manufacturer's mark |
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B symbol identifying the steel grade |
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C seamless type tube |
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D inspector's mark |
| din 1629 Chemical Composition | ||||||||
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
| St37 | ≤0.17 | 0.17~0.37 | 0.35~0.65 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.20 |
| St45 | ≤0.21 | 0.17~0.37 | 0.50~0.80 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.20 |
| St52 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.20 |
| St55 | 0.33~0.41 | 0.17~0.37 | 0.50~0.80 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.20 |
| CK45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.20 |
| din 1629 Mechanical Property | ||||
| Grade | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) | |
| Wall Thickness(mm) | ||||
| ≤16 | >16 | |||
| St37 | 350~480 | ≥235 | ≥225 | ≥25 |
| St45 | 420~550 | ≥275 | ≥265 | ≥21 |
| St52 | 500~650 | ≥355 | ≥345 | ≥21 |
| St55 | 540~645 | ≥295 | ≥285 | ≥17 |
| CK45 | 590~730 | ≥335 | ≥325 | ≥14 |
Produktgruppe : Nahtlose Rohr > Nahtlose Stahlrohre
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