天气预报 > 家居 > ht250是什么材质的钢材
ht250是什么材质的钢材
更新时间: 2020-12-07 15:50:49  

灰口铸铁。其牌号为HT250,为珠光体类型的灰铸铁。化学成分主要由碳、硅、锰还有少量的硫组成。主要用于工业制造,对于泵壳、塔器、填料箱本体及压盖,还可以用于制作工业设备的零件,因为其耐磨性、耐热性均好,因此可以用高强度零件制造,广泛应用于需要高温制造的场合。因为其性能稳定、人工素养要求低,成本也较低,是建筑业广泛流行的建筑材料。

关键词: ht250 什么 材质 钢材

ht250是什么材质的钢材相关经验

天气预报

最新推荐

页面:/news/view-3541952/ | 耗时:0.9007 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3541952 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3541952 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3541952 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3542344,3542833,1071531,3530523,3541629,3542617,3542166,3540651,3541162,3527968,3542009,3532666,3542728,3541073,3542024,1368883,3540849,3532900,3540725,3544158,1069861,3541604,3544249,3533827,3543362,3542250,3543065,3532531,3543904,3542078) ORDER BY field (ArticleID,3542344,3542833,1071531,3530523,3541629,3542617,3542166,3540651,3541162,3527968,3542009,3532666,3542728,3541073,3542024,1368883,3540849,3532900,3540725,3544158,1069861,3541604,3544249,3533827,3543362,3542250,3543065,3532531,3543904,3542078)