铸铁是含碳量大于2.11%的铁碳合金,由工业生铁、废钢等钢铁及其合金材料经过高温熔融和铸造成型而得到,除Fe外,还含及其它铸铁中的碳以石墨形态析出,若析出的石墨呈条片状时的铸铁叫灰口铸铁或灰铸铁、呈蠕虫状时的铸铁叫蠕墨铸铁、呈团絮状时的铸铁叫白口铸铁或码铁、而呈球状时的铸铁就叫球墨铸铁。
球墨铸铁除铁外的化学成分通常为:含碳量3.0~4.0%,含硅量1.8~3.2%,含锰、磷、硫总量不超过3.0%和适量的稀土、镁等球化元素。
市面上球墨铸铁光谱标准样品成分如下:
名称 | 编号 | C | Si | Mn | P | S | Cr |
GSB03-1813-2005 | 1 | 2.62 | 3.43 | 0.182 | 0.547 | 0.0043 | 2.93 |
2 | 2.06 | 2.68 | 0.378 | 0.056 | 0.019 | 2.01 | |
3 | 2.92 | 2.15 | 0.838 | 0.075 | 0.010 | 1.52 | |
4 | 3.22 | 1.13 | 1.25 | 0.200 | 0.010 | 1.09 | |
5 | 3.49 | 0.612 | 1.57 | 0.371 | 0.011 | 0.346 | |
6 | 4.08 | 0.340 | 1.86 | 0.032 | 0.067 | 0.04 | |
编号 | Ni | Mo | V | Mg | Cu | Alt | |
1 | 4.46 | 1.90 | 0.034 | 0.137 | 0.062 | 0.115 | |
2 | 2.00 | 0.202 | 0.084 | 0.0059 | 0.217 | 0.020 | |
3 | 3.22 | 0.304 | 0.178 | 0.060 | 0.506 | 0.026 | |
4 | 0.615 | 0.910 | 0.389 | 0.033 | 0.686 | 0.016 | |
5 | 1.01 | 1.43 | 0.309 | 0.060 | 1.07 | 0.044 | |
6 | 0.094 | 0.036 | 0.587 | 0.0026 | 1.56 | 0.0027 | |
编号 | Ti | B | Nb | As | |||
1 | 0.156 | 0.0034 | 0.0023 | 0.0032 | |||
2 | 0.054 | 0.0073 | 0.0019 | 0.0024 | |||
3 | 0.236 | 0.050 | 0.030 | 0.0022 | |||
4 | 0.065 | 0.118 | 0.0025 | 0.0021 | |||
5 | 0.298 | 0.112 | 0.0046 | 0.0042 | |||
6 | 0.0072 | 0.193 | - | 0.0022 | |||
名称 | 编号 | C | Si | Mn | P | S | Cr |
GBW01131a | T010-1a | 3.31 | 0.93 | 0.317 | 0.051 | 0.0290 | 2.02 |
GBW01132a | T010-2a | 3.18 | 2.28 | 0.715 | 0.447 | 0.0061 | 1.62 |
GBW01133a | T010-3a | 3.72 | 1.50 | 1.12 | 0.251 | 0.038 | 1.61 |
GBW01134a | T010-4a | 4.03 | 0.248 | 0.987 | 0.727 | 0.098 | 0.476 |
GBW01135a | T010-5a | 3.00 | 2.65 | 1.27 | 0.140 | 0.0034 | 0.784 |
GBW01136a | T010-6a | 2.69 | 3.68 | 1.70 | 0.395 | 0.021 | 1.31 |
GBW01137a | T010-7a | 1.81 | 3.35 | 1.99 | 0.091 | 0.0082 | 0.212 |
名称 | 编号 | Ni | Mo | V | Mg | Cu | Ti |
GBW01131a | T010-1a | 0.063 | 0.811 | 0.329 | 0.00033 | 0.571 | 0.223 |
GBW01132a | T010-2a | 1.01 | 0.559 | 0.20 | 0.038 | 1.12 | 0.478 |
GBW01133a | T010-3a | 0.528 | 0.467 | 0.133 | 0.014 | 0.846 | 0.388 |
GBW01134a | T010-4a | 0.054 | 0.018 | 0.317 | 0.0015 | 0.148 | 0.031 |
GBW01135a | T010-5a | 0.94 | 0.384 | 0.043 | 0.077 | 0.536 | 0.078 |
GBW01136a | T010-6a | 0.247 | 0.224 | 0.25 | 0.034 | 0.338 | 0.129 |
GBW01137a | T010-7a | 1.09 | 0.152 | 0.057 | 0.0010 | 1.73 | 0.131 |
名称 | 编号 | W | B | La | Ce | Sn | |
GBW01131a | T010-1a | 0.323 | 0.524 | - | - | 0.282 | |
GBW01132a | T010-2a | 0.172 | 0.26 | 0.015 | 0.034 | 0.107 | |
GBW01133a | T010-3a | 0.049 | 0.096 | - | 0.0002* | 0.289 | |
GBW01134a | T010-4a | 0.0073 | 0.021 | - | - | 0.0035 | |
GBW01135a | T010-5a | 0.284 | 0.0025 | 0.096 | 0.0033 | 0.038 | |
GBW01136a | T010-6a | 0.444 | 0.128 | 0.0057 | 0.0088 | 0.102 | |
GBW01137a | T010-7a | 0.971 | 0.018 | 0.023 | 0.122 | 0.0064 | |
名称 | 编号 | C | Si | Mn | P | S | Cr |
GBW01138a | T012-1a | 1.75 | 3.40 | 0.080 | 0.580 | 0.119 | 2.48 |
GBW01139a | T012-2a | 2.22 | 2.44 | 0.301 | 0.043 | 0.058 | 2.13 |
GBW01140a | T012-3a | 2.55 | 1.50 | 0.878 | 0.071 | 0.045 | 0.417 |
GBW01141a | T012-4a | 3.16 | 1.96 | 0.462 | 0.396 | 0.017 | 1.40 |
GBW01142a | T012-5a | 3.52 | 1.17 | 0.311 | 0.420 | 0.019 | 0.766 |
GBW01143a | T012-6a | 4.02 | 0.163 | 1.41 | 0.021 | 0.026 | 0.112 |
GBW01144a | T012-7a | 3.94 | 0.918 | 1.38 | 0.085 | 0.0048 | 1.05 |
编号 | 编号 | Ni | Mo | V | Mg | Cu | Alt |
GBW01138a | T012-1a | 0.030 | 0.031 | 0.021 | 0.0006 | 0.025 | 0.248 |
GBW01139a | T012-2a | 0.341 | 0.087 | 0.055 | 0.0085 | 0.458 | 0.060 |
GBW01140a | T012-3a | 0.519 | 0.354 | 0.085 | 0.024 | 0.641 | 0.034 |
GBW01141a | T012-4a | 0.778 | 0.428 | 0.166 | 0.025 | 0.921 | 0.0073 |
GBW01142a | T012-5a | 1.03 | 0.629 | 0.324 | 0.021 | 0.389 | - |
GBW01143a | T012-6a | 1.89 | 0.726 | 0.509 | 0.104 | 1.83 | 0.019 |
GBW01144a | T012-7a | 1.37 | 0.168 | 0.390 | 0.056 | 1.10 | 0.214 |
编号 | 编号 | Ti | La | Ce | N | Sn | |
GBW01138a | T012-1a | 0.038 | <0.0001 | <0.0001 | 0.015 | 0.0031 | |
GBW01139a | T012-2a | 0.065 | 0.010 | 0.001 | 0.024 | 0.044 | |
GBW01140a | T012-3a | 0.027 | 0.0061 | 0.027 | 0.024 | 0.021 | |
GBW01141a | T012-4a | 0.065 | <0.0001 | <0.0001 | 0.0073 | 0.024 | |
GBW01142a | T012-5a | 0.1610 | <0.0001 | <0.0001 | 0.0047 | 0.013 | |
GBW01143a | T012-6a | 0.238 | <0.0001 | <0.0001 | 0.013 | 0.057 | |
GBW01144a | T012-7a | 0.114 | <0.0001 | <0.0001 | 0.0063 | 0.134 |