DIN 17100 St37-3U steel plate,carbon structural steel
St37-3U steel plate, DIN 17100 St37-3U steel plate is a kind of carbon structural steel. DIN 17100 St37-3U steel plate is characterised by a minimum yield strength of 170-235MPa and tensile strength of 340-510MPa,so St37-3U steel is mainly used in riveted, bolted, or welded construction of bridges and buildings.The followings are DIN 17100 St37-3U steel plate's Chemical composition and mechanical properties.
St37-3U steel chemical analysis
| Chemical elements | C≤ 16mm max | C > 16mm max | Si max | Mn max | P max. | S max. |
| %,by mass | 0.17 | 0.17 | -- | 1.40 | 0.045 | 0.045 |
St37-3U steel Mechanical properties
| thickness | Yield StrengthReH[N/mm2] transv.min. | TensileStrengthRm[N/mm2]transv. | Fracture Elongation[%]transv. min. | Notch Impact Energy1)Ch Vcomplete samplelongitud. min [J] |
| t ≤ 16mm t > 16mm | 235 225 | Degree: 0 AV: 27J | ||
| t < 3mm t ≥ 3mm | 360-510 340-470 | |||
| Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm | 16 17 18 19 24 |
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