| | 来原:凯创机床工量具 admin 点击:152 发布时间:2009-5-29 9:22:00 |
?不同壁厚灰铸铁的成分 牌号 | 铸件主要壁厚/mm | ????? 化学成分(质量分数、%) | | C | Si | Mn | P | S | ?HT100 | 所有尺寸 | 3.2-3.8 | 2.1-2.7 | 0.5-0.8 | <0.3 | ≤0.15 | HT150 | <15 | 3.3-3.7 | 2.0-2.4 | 369.32514 0.5-0.8 | <0.2 | ≤0.12 | 15-30 | 3.2-3.6 | 2.0-2.3 | 30-50 | 3.1-3.5 | 1.9-2.2 | >50 | 3.0-3.4 | 1.8-2.1 | HT200 | <15 | 3.2-3.6 | 1.9-2.2 | 0.6-0.9 | <0.15 | ≤0.12 | 15-30 | 3.1-3.5 | 1.8-2.1 | 0.7-0.9 | 30-50 | 3.0-3.4 | 1.5-1.8 | 0.8-1.0 | >50 | 3.0-3.2 | 1.4-1.7 | 0.8-1.0 | HT250 | <15 | 3.2-3.5 | 1.8-2.1 | 0.7-0.9 | <0.15 | ≤0.12 | 15-30 | 3.1-3.4 | 1.6-1.9 | 0.8-1.0 | 30-50 | 3.0-3.3 | 1.5-1.8 | 0.8-1.0 | >50 | 2.9-3.2 | 1.4-1.7 | 0.9-1.1 | | <15 | 3.1-3.4 | 1.5-1.8 | 0.8-1.0 | <0.15 | ≤0.12 | 15-30 | 3.0-3.3 | 1.4-1.7 | 0.8-1.0 | 30-50 | 2.9-3.2 | 1.4-1.7 | 0.9-1.1 | >50 | 2.8-3.1 | 1.3-1.6 | 1.0-1.2 | | | | | | |
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