(1)尺寸规格见表6-17、表6-18。
(2)允许偏差见表6-20。
(3)牌号和化学成分见表6-19。
(4)力学性能见表6-21。
(5)用途适于一般结构及机械结构用。
表6-17结构用不锈钢热轧(挤、扩)无缝钢管的尺寸规格(mm)
壁厚
外径
|
4.5
|
5
|
6
|
7
|
8
|
9
|
10
|
ll
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
22
|
24
|
25
|
26
|
28
|
68
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
◎
|
|
|
|
|
|
|
|
|
|
|
|
|
|
70
|
◎
|
◎
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◎
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◎
|
◎
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◎
|
◎
|
◎
|
◎
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|
|
|
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|
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|
73
|
◎
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◎
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◎
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◎
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◎
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◎
|
◎
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◎
|
◎
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|
76
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◎
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◎
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◎
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◎
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◎
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◎
|
◎
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◎
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◎
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|
|
80
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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83
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◎
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◎
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◎
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◎
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◎
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◎
|
◎
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◎
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◎
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|
|
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|
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|
|
89
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
95
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
|
102
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
108
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
114
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
121
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
127
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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133
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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140
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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146
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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152
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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159
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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168
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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180
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
194
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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219
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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245
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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237
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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325
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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35l
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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377
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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426
|
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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表6-18结构用不锈钢冷拔(轧)无缝钢管的尺寸规格 (mm)
壁厚
外径
|
1.O
|
1.2
|
1.4
|
1.5
|
1.6
|
2.0
|
2.2
|
2.5
|
2.8
|
3.O
|
3.2
|
3.5
|
4.O
|
4.5
|
5.O
|
5.5
|
6.O
|
6.5
|
7.0
|
7.5
|
8.0
|
8.5
|
9.0
|
9.5
|
lO
|
ll
|
12
|
13
|
14
|
15
|
lO
|
●
|
●
|
●
|
●
|
●
|
●
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●
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●
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声明:中华不锈钢网(www.zhbxgw.com)登载【国家标准】结构用不锈钢无缝钢管(GB/T14975—1994)仅出于传递信息目的,并不意味着赞同其观点或证实其描述,亦不保证准确无误,版权/责任归其所有权人,若您认为有问题/差错请联系我们。转载请联系所有权人。
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