結(jié)構(gòu)用無(wú)錫不銹鋼無(wú)縫鋼管(GB/T14975-1994)
時(shí)間：2019-06-13
作者：無(wú)錫不銹鋼板
瀏覽：0
結(jié)構(gòu)用無(wú)錫不銹鋼無(wú)縫鋼管(GB/T14975-1994)
(1)尺寸規(guī)格見(jiàn)表1、表2。
(2)允許偏差見(jiàn)表4。
(3)牌號(hào)和化學(xué)成分見(jiàn)表3。
(4)力學(xué)性能見(jiàn)表5。
(5)用途適于一般結(jié)構(gòu)及機(jī)械結(jié)構(gòu)用。
表1 結(jié)構(gòu)用無(wú)錫不銹鋼熱軋(擠、擴(kuò))無(wú)縫鋼管的尺寸規(guī)格(mm)
|
壁厚
外徑
|
4.5
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
22
|
24
|
25
|
26
|
28
|
|
68
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
70
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
73
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
76
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
80
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
83
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
89
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
95
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
102
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
108
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
114
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
121
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
127
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
133
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
140
|
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
146
|
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
152
|
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
159
|
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
168
|
|
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
180
|
|
|
|
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
194
|
|
|
|
|
◎
|
◎
|
◎
|
◎
主站蜘蛛池模板：
亚洲视频在线观看不卡
|
欧美激欧美啪啪片免费看
|
美女视频黄a视频全免费
|
91九色在线
|
男女同房视频免费爽爽
|
国产免费久久
|
夜夜撸网站
|
韩日午夜在线资源一区二区
|
亚洲av无码一区二区三区四区
|
中文字字幕在线中文无码
|
欧美色aⅴ欧美综合色
|
久久伊人成人网
|
久久99久久99小草精品免视看
|
久久91精品国产91久久
|
99国产精品自在自在久久
|
国产亚洲午夜高清国产拍精品
|
日木早川濑里奈毛片大全
|
在线观看视频黄
|
毛片无码免费无码播放
|
伊人一区
|
日韩少妇内射免费播放18禁裸乳
|
欧美一级在线播放
|
久久国产精品一区二区三区
|
黄视频在线观看www软件
|
99视频精品全国在线观看
|
9999久久|
国产丝袜美女
|
日本三级高清电影全部
|
asmr国产一区在线
|
国产在线aaa片一区二区99
|
中文字幕在线播放视频
|
老司机一级片
|
拍拍拍成人免费高清视频
|
夜夜春夜夜爽
|
日本a级视频在线播放
|
青青青看免费视频在线
|
99久久精品免费看国产
|
欧美性free玩弄少妇
|
国产资源无限好片
|
青青草原在线免费观看
|
亚洲一区二区三区福利在线
|
|