气瓶用无缝钢管
标准：中国国家标准、美国材料与试验学会标准
用途：用于制造气瓶用大小口径无缝钢管
钢级
|
标准
|
钢级
|
|||||
|
GB18248
|
37Mn、34Mn2V、30CrMo、35CrMo、34CrMo4
|
|||||
|
ASTM A519
|
4130X、4140X
|
|||||
规格表
|
外径
|
壁厚 mm
|
||||||||||||||||
|
inch
|
mm
|
2
|
2.6
|
3.6
|
4.5
|
5.5
|
7.1
|
9.5
|
12.5
|
13
|
14-16
|
17-19
|
20-25
|
31-60
|
61-70
|
81-90
|
91-120
|
|
0.84
|
21.3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.05
|
26.7
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.315
|
33.4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.66
|
42.2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.9
|
48.3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.375
|
60.3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2.875
|
73
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3.5
|
88.9
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4
|
101.6
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4.5
|
114.3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5.563
|
141.3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6.625
|
168.3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8.625
|
219.1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10.75
|
273
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12.75
|
323.9
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14
|
355.6
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16
|
406.4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18
|
457
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20
|
508
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22
|
559
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
24
|
610
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26
|
660.4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
28
|
711.2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
30
|
762
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
32
|
813
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
34
|
864
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36
|
914
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
38
|
965
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
注：
1、2寸以下、18寸以上为包钢提供坯料外协产品。
2、经协商，也可做非标口径钢管。
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