HT标准对照表(共4页).doc

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1、精选优质文档-倾情为你奉上标准对照表：法国 NF A32-101(1997)/NF EN 1561:1997 德国 DIN 1691-1985 ISO ISO 185:1988 日本 JIS G5501(1995) 韩国 KS D4301-1985 俄国 OCT 1412-1985 英国 BS 1452-1990 美国 ASTM A48-2000/ASTM A159-1993/ASTM A319-1995 标准内容：灰铸铁单铸试棒及铸件的抗拉强度牌 号单铸试棒抗拉强度b/Mpa铸件铸件壁厚/mm抗拉强度b/MpaHT1001002.5101020203030401301009080HT1501

2、502.510102020303040175145130120HT2002002.510102020303040220195170160HT2502504.010102020303050270240220200HT300300102020303050290250230HT350350102020303050340290260灰铸铁附铸试棒（块）的抗拉强度牌 号铸件壁厚/mm抗拉强度b/Mpa铸件（参考值）抗拉强度b/Mpa附铸试棒附铸试块30mm50mmR15mmR25mmHT1502040408080150150300130115-(115)105100120110-100901201059

3、080HT2002040408080150150300180160-(155)145135170150-140130165145130120HT2502040408080150150300220200-(190)180165(210)190-170160205180165150HT3002040408080150150300260235-(230)210195(250)225-200185245215195180HT3502040408080150150300300270-(265)240215(290)260-230210285255225205灰铸铁的其他力学性能牌 号抗拉强度bc/MPa

4、抗剪强度b/MPa冲击韧度KV/(J/cm2)疲劳极限-1/MPa弹性模量/GPaHT150500700150250-60907090HT20060080020030025809080110HT250800100025035048100140100130HT30010001200300450710120160120140HT35011001300350500911140180130160灰铸铁的硬度等级与硬度范围型 号硬度等级铸件上的硬度范围HBS相应的金相组织HT100H145170铁素体HT150H175150200铁素体珠光体HT200H195170220珠光体HT250H2151902

5、40珠光体HT300H235210260珠光体（孕育铸铁）HT350H255230280珠光体（孕育铸铁）灰铸铁的化学成分实例（质量分数）（%）牌 号铸件壁厚/mmCSiMnPSHT100-3.43.92.12.60.50.80.30.15HT150503.33.53.23.53.23.52.02.41.92.31.82.20.50.80.50.80.60.90.20.20.20.120.120.12HT200503.23.53.13.43.03.31.62.01.51.81.41.61.70.90.81.00.81.00.150.150.150.120.120.12HT250503.03.3

6、2.93.22.83.11.41.71.31.61.21.50.81.00.91.11.01.20.150.150.150.120.120.12HT300502.93.22.93.22.83.11.41.71.21.51.11.40.81.00.91.11.01.20.150.150.150.100.100.10灰铸铁的金相组织实例（体积分数）（%）牌 号石墨基体HT100初晶石墨，长度2501000m，无定向分布，含量12%15%秋光体30%70%粗片状，铁素体30%70%，二元磷共晶7%HT150片状石墨，长度120150m，无定向分布，含量711珠光体4090中粗片状，铁素体1060，二元磷共晶95%中片状，铁素体5，二元磷共晶98%中细片状，二元磷共晶98%中细片状，二元磷共晶98%细片状，二元磷共晶1灰铸铁铸件人工时效处理工艺铸件重量kg入炉温度/C加热速度/(C/h)保温温度/C保温时间/h冷却速度/(C/h)出炉温度/C普通铸铁低合金铸铁一般铸件250020060500550550570830200精密铸件20020010050055055057046202002002500200805005505505706820200专心-专注-专业