天气预报 > 其他 > 如何辨别不锈钢的优劣
如何辨别不锈钢的优劣
更新时间: 2020-10-31 00:00:00  

辨别不锈钢的优劣只要用不锈钢焊点酸洗液(也叫洗钢水)涂在钢管表面,如管面不变色,则质量好,不易生锈;反之,如越快变黑,则质量越差,就容易变黑生锈了。不锈钢一般是按组织结构分的,可以分为奥氏体、铁素体、马氏体等几大类。不锈钢具有不锈、耐酸、耐高温、耐磨和奥氏体一般无磁性等特点。不锈钢的耐腐蚀性主要是由铬、镍的含量来决定的,含量越高,就越不易生锈。

关键词: 如何 辨别 不锈钢 优劣

如何辨别不锈钢的优劣相关经验

天气预报

最新推荐

页面:/news/view-1544929/ | 耗时:0.1133 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=1544929 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1544929 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1544929 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1080877,1094387,1077100,1072138,1050367,1091735,1091952,1077490,1092752,993145,1093321,1106697,1100889,1104855,1051239,1085842,1101273,1097635,1094015,1050051,1094155,1093397,1086091,1087133,1108862,1066106,1080098,1062716,1113507,1048506) ORDER BY field (ArticleID,1080877,1094387,1077100,1072138,1050367,1091735,1091952,1077490,1092752,993145,1093321,1106697,1100889,1104855,1051239,1085842,1101273,1097635,1094015,1050051,1094155,1093397,1086091,1087133,1108862,1066106,1080098,1062716,1113507,1048506)