天气预报15天查询> 机械> 建筑用钢筋用几级钢

建筑用钢筋用几级钢

更新时间: 2021-01-06 08:21:51     

1、用三四级钢比较好。

2、一级钢强度低,但柔性好,甚至可以打结,如6或8的盘条;四级钢HRB500,目前市场上少用,常用的是HBB400(三级钢),这种钢强度高,但柔性不如低强度钢筋,作为结构受力的骨架,强度是最重要的,只要是合格的钢筋,柔性(伸长率)都大大超过标准要求;再说,人不识货钱是货,高强钢筋价格也高于低强钢筋,所以钢筋还是三四级钢好。需要注意的是,高强钢筋可焊性不如低强钢筋,考验焊接技术。

关键词: 建筑用 钢筋

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1184175/ | 耗时:0.4073 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1184175 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1184175 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1184175 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3218285,3105220,3047970,802288,3355294,3087983,3482360,1184175,3496317,3341641,522636,1086763,3521855,1441316,861715,3148356,3504850,566266,2011349,2759617,1149485,2430586,973883,696467,651922,3408561,517442,760810,1740237,980628) ORDER BY field (ArticleID,3218285,3105220,3047970,802288,3355294,3087983,3482360,1184175,3496317,3341641,522636,1086763,3521855,1441316,861715,3148356,3504850,566266,2011349,2759617,1149485,2430586,973883,696467,651922,3408561,517442,760810,1740237,980628)