HT标准对照表.docx

1、HT标准对照表标准对照表:法国徳国NF A32-101(1997)/NF EN 1561:1997DIN 1691-1985ISOISO 185:1988日本JIS G5501 (1995)韩国KS D4301-1985俄国rOCT 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強度牌号单铸试棒铸件抗拉强度铸件壁厚抗拉强度O b/Mpa/mm0 b/Mpano1301020100HT100100203090304080no1751020145HT150150203013

2、03040120no2201020195HT20020020301703040160HT250250no2701020240203022030502001020290HT300300203025030502301020340HT35035020302903050260灰铸铁附铸试棒（块）的抗拉强度牌号铸件壁厚/mm抗拉强度ObM/Mpa铸件（参考值）抗拉强度Ob/Mpa附铸试棒附铸试块4)30mm4)50mmR15mmR25mm20401301201204080115(115)110105HT15080=5010510090150300100908020401801701654080160(1

3、55)150145HT20080=5014514013015030013513012020402200)2054080200(190)190180HT25080=501801701651503001651601502040260(250)245HT3004080235(230)22521580=502102001951503001951851802040300(290)2854080270(265)260255HT35080=50240230225150300215210205灰铸铁的其他力学性能牌号抗拉强度0 bc/MPa抗剪强度T b/MPa冲击韧度a kv/ (J/cm2)疲劳极限a “

4、/MR弹性模量E/GPaHT15050070015025060907090HT20060080020030025809080110HT250800=00025035048100=40100130HT30010001200300450710120=60120140HT350110013003505009门140180130160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HT100H145W170铁素体HT150H175150200铁素体+珠光体HT200H195170220珠光体HT250H215190240珠光体HT300H235210260珠光体（孕育铸铁）H

5、T350H255230280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/mmCSiMnPSHT100Z505050HT30050Z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2501000 um,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7%珠光体40%90%中粗片状，铁素体10%60%,二元磷共晶7%HT20080%90%片状石墨，10%20%过 冷石墨，长度60250 m,无定向分 布，含量6%9%珠光体95%中片状，铁素体5%,二元磷共

6、晶4%HT25085%90%片状石墨，5%15%过珠光体98%中细片状，二元磷冷石墨，长度60250 nm,无定向分布，含量4%7%共晶2%HT30080%95%片状石墨，5%20%过冷石墨，长度30120 含量3%6%珠光体98%中细片状，二元磷共晶2%HT35075%90%片状石墨，10%25%过冷石墨，长度60250 含量2%4%珠光体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2500W200W60500550550570830200精密铸件200W200W10050055055057046202002002500W200W805005505505706820200