Pressure vessels are defined as closed containers that hold gases or liquids at a pressure substantially different than the ambient pressure. Since reliability and safety are so critical to pressure vessels, their production is regulated and tested for quality.
steel grade | 17Mn4 steel machining parts Chemical composition | |||||||||||||
Steel | Steel number | C | Si | Mn | P | S | Al | Cr | Cu | Mo | Nb | Ni | Ti | V |
17Mn4 | 1.0481 | 0.14 | 0.40 | 0.90 | 0.035 | 0.030 | ≥0.020 | 0.25 | 0.30 | 0.10 | 0.01 | 0.30 | 0.03 | 0.03 |
| Upper yield point ReH | tensile strength Rm For product thicknesses in mm | Elongation at break | Impact strength | |||||||||||
Steel name | Steel number | ||||||||||||||
16 | 16 to 40 | 40 | 60 | 100 | 60 | 60 | 100 | 60 | 60 | 60 | 60 | 60 | 60 | ||
N/mm2 min | N/mm2 | % | at 0 °C | at 20 °C | |||||||||||
17Mn4 | 1.0481 | 290 | 285 | 280 | 255 | 230 | 460 To | 450 | 440 | 21 | 20 | 31 | 31 | - | - |
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