ASTM A672 tus qauv kev qhia tshwj xeeb rau hluav taws xob fusion welded steel yeeb nkab rau kev pabcuam siab kub ntawm nruab nrab.
Cov Lus Qhia Tshwj Xeeb ntawm ASTM A672:
| Specification | Qib hlau | Tshuaj muaj pes tsawg leeg | Lus hais | |||||
| C | Si | Mn | P | S | Ti | |||
| Cov kav dej rau kev pabcuam siab ASTM A671, A672 thiab ASTM A671 |
-/A45 | -/0.17 | - | 0.98 | 0.035 | 0.035 | - | A671/ A672 |
| -/A50 | -/0.22 | - | ||||||
| CA55/A55 | 0.28 | - | ||||||
| -/B55 | -/0.20 | 0.13 ~0.45 |
||||||
| CB60/B60 | 0.24 | |||||||
| CB65/B65 | 0.28 | |||||||
| CB70/C70 | 0.31 | 1.30 | ||||||
| -/C55 | -/0.18 | 0.55 ~0.98 |
||||||
| CC60/C60 | 0.21 | |||||||
| CC65/C65 | 0.24 | 0.79 ~1.30 |
||||||
| CC70/C70 | 0.27 | |||||||
Mechanical Properties ntawm ASTM A672:
| Cov khoom | Qib Steel | BASE METAL MECHANICAL COMPOSITION | Vuam taw tes tensile zog (N / mm2) | Lus hais | |||
| Qhov taw qhia tawm (N / mm2) | Tensile zog (N / mm2) | Xeem Daim | Elongation (%) | ||||
| Cov kav dej rau kev pabcuam siab ASTM A671, A672 | -/A45 | -/165 | -/310~450 | - | -/30 | -/310~450 | A671/ A672 |
| -/A50 | -/185 | -/345~485 | -/28 | -/345~485 | |||
| CA55/A55 | 205 | 380~515 | 27 | 380~515 | |||
| -/B55 | -/205 | -/380~515 | -/27 | -/380~515 | |||
| CB60/B60 | 220 | 415~550 | 25 | 415~550 | |||
| CB65/B65 | 240 | 450~585 | 23 | 450~585 | |||
| CB70/B70 | 260 | 485~620 | 21 | 485~620 | |||
| -/C55 | -/205 | -/380~515 | -/27 | -/380~515 | |||
| CC60/C60 | 220 | 415~550 | 25 | 415~550 | |||
| CC65/C65 | 240 | 450~585 | 23 | 450~585 | |||
| CC70/C70 | 260 | 485~620 | 21 | 485~620 | |||
