(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 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
73 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
76 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
80 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
83 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
89 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
95 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
102 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
108 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
114 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
121 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
127 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
133 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
140 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
146 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
152 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
159 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
168 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
180 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
194 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
219 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
245 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
237 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
325 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
35l ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
377 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
426 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
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 ● ● ● ● ● ● ● ●
11 ● ● ● ● ● ● ● ●
12 ● ● ● ● ● ● ● ● ● ●
13 ● ● ● ● ● ● ● ● ● ●
14 ● ● ● ● ● ● ● ● ● ● ● ●
15 ● ● ● ● ● ● ● ● ● ● ● ●
16 ● ● ● ● ● ● ● ● ● ● ● ● ●
17 ● ● ● ● ● ● ● ● ● ● ● ● ●
18 ● ●<,/DIV>&,lt;,/,TD> ● ● ● ● ● ● ● ● ● ● ● ●
19 ● ● ● ● ● ● ● ● ● ● ● ● ● ●
20 ● ● ● ● ● ● ● ● ● ● ● ● ● ●
2l ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
22 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
23 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
24 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
25 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
壁厚外径 1.0 1.2 1.4 1.5 1.6 2.0 2.2 2.5 2.8 3.0 3.2 3.5 4.0 4.5 5.O 5.5 6.0 6.5 7.O 7.5 8.O 8.5 9.O 9.5 lO 11 12 13 14 15
27 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
28 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
30 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
32 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
34 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
35 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
36 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
38 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
40 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
42 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
45 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
48 ● ● ◆ ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
50 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
51 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
53 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
54 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ◆ ● ● ● ● ● ● ● ● ●
56 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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