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WeiBen Machinery
Grey Cast Iron Grades
17 5 月, 2017
| grey cast iron grades | ||||
| Grade | Minimum tensile strength(Mpa) |
Minimum percentage elongation |
Brinell hardness
number(BHN) |
Predominant constituent of matrix |
| SG 900/2 | 900 | 2 | 280-360 | Bainite or tempered martensite |
| SG 800/2 | 800 | 2 | 245-335 | Pearlite or tempered structure |
| SG 700/2 | 700 | 2 | 225-305 | Pearlite |
| SG 600/3 | 600 | 3 | 190-270 | Ferrite＋Pearlite |
| SG 500/7 | 500 | 7 | 160-240 | Ferrite＋Pearlite |
| SG 450/10 | 450 | 10 | 160-210 | Ferrite |
| SG 400/15 | 400 | 15 | 130-180 | Ferrite |
| SG 400/18 | 400 | 18 | 130-180 | Ferrite |
| SG 350/22 | 350 | 22 | ≤150 | Ferrite |
| SG 700/2A | 700 | 2 | 220-320 | Pearlite |
| SG 600/3A | 600 | 2 | 180-270 | Pearlite＋Ferrite |
| SG 500/7A | 450 | 7 | 170-240 | Pearlite＋Ferrite |
| SG 400/15A | 390 | 15 | 130-180 | Ferrite |
| SG 400/18A | 390 | 15 | 130-180 | Ferrite |
| SG 350/22A | 330 | 18 | ≤150 | Ferrite |
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Cassie
Sales Manager