結(jié)構(gòu)用無錫不銹鋼無縫鋼管(GB/T14975-1994)
時間：2019-06-13
作者：無錫不銹鋼板
瀏覽：0
結(jié)構(gòu)用無錫不銹鋼無縫鋼管(GB/T14975-1994)
(1)尺寸規(guī)格見表1、表2。
(2)允許偏差見表4。
(3)牌號和化學(xué)成分見表3。
(4)力學(xué)性能見表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)用無錫不銹鋼熱軋(擠、擴(kuò))無縫鋼管的尺寸規(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
|
|
|
|
|
◎
|
◎
|
◎
|
◎
高安市|
堆龙德庆县|
山东|
岗巴县|
杭锦后旗|
云龙县|
防城港市|
盈江县|
丹巴县|
新昌县|
静安区|
周宁县|
上高县|
康保县|
恭城|
科技|
禄劝|
陇南市|
六枝特区|
六盘水市|
巨野县|
舒兰市|
香格里拉县|
永宁县|
上思县|
连山|
巴塘县|
新丰县|
土默特左旗|
崇明县|
民丰县|
靖宇县|
孝感市|
巴里|
进贤县|
图木舒克市|
托里县|
扎兰屯市|
蓝山县|
博客|
陈巴尔虎旗|
|