沈阳钢管理论重量沈阳钢管尺寸规格表|沈阳螺旋异型管
沈阳气瓶用无缝钢管介绍
标准
GB18248-2000 —— 气瓶用无缝钢管
Q/BQB 250-2003—— 氧气瓶用无缝钢管
ASTM A519 —— Seamless Carbon and Alloy Steel Mechanical Tubing
用途
用于制造气瓶用热轧无缝钢管
主要生产钢管牌号
37Mn、34CrMo4
沈阳无缝钢管尺寸及允许偏差
|
偏差等级
|
标准化外径允许偏差
|
|
D1
|
±1.5%，最小±0.75 mm
|
|
D2
|
±1.0%。最小±0.50 mm
|
|
D3
|
±0.75%．最小±0.30 mm
|
|
D4
|
±0.50%。最小±0.10 mm
|
无缝钢管重量公式
[(外径-壁厚)*壁厚]*0.02466=kg/米（每米的重量）
沈阳无缝钢管理论重量表
|
单位：Kg/m
|
壁 厚
|
|
|
外 径
|
3
|
3.5
|
4
|
4.5
|
5
|
5.5
|
6
|
|
32
|
2.146
|
2.460
|
2.762
|
3.052
|
3.329
|
3.594
|
3.847
|
|
38
|
2.589
|
2.978
|
3.354
|
3.718
|
4.069
|
4.408
|
4.735
|
|
42
|
2.885
|
3.323
|
3.749
|
4.162
|
4.562
|
4.951
|
5.327
|
|
45
|
3.107
|
3.582
|
4.044
|
4.495
|
4.932
|
5.358
|
5.771
|
|
50
|
3.477
|
4.014
|
4.538
|
5.049
|
5.549
|
6.036
|
6.511
|
|
54
|
3.773
|
4.359
|
4.932
|
5.493
|
6.042
|
6.578
|
7.103
|
|
57
|
3.995
|
4.618
|
5.228
|
5.826
|
6.412
|
6.985
|
7.546
|
|
60
|
4.217
|
4.877
|
5.524
|
6.159
|
6.782
|
7.392
|
7.990
|
|
63.5
|
4.476
|
5.179
|
5.869
|
6.548
|
7.214
|
7.867
|
8.508
|
|
68
|
4.809
|
5.567
|
6.313
|
7.047
|
7.768
|
8.477
|
9.174
|
|
70
|
4.957
|
5.740
|
6.511
|
7.269
|
8.015
|
8.749
|
9.470
|
|
73
|
5.179
|
5.999
|
6.807
|
7.602
|
8.385
|
9.156
|
9.914
|
|
76
|
5.401
|
6.258
|
7.103
|
7.935
|
8.755
|
9.563
|
10.358
|
|
89
|
6.363
|
7.380
|
8.385
|
9.378
|
10.358
|
11.326
|
12.281
|
|
108
|
7.768
|
9.020
|
10.259
|
11.486
|
12.701
|
13.903
|
15.093
|
|
133
|
11.178
|
12.725
|
14.261
|
15.783
|
17.294
|
18.792
|
|
|
159
|
13.422
|
15.290
|
17.146
|
18.989
|
20.821
|
22.639
|
|
|
219
|
18.601
|
21.209
|
23.805
|
26.388
|
28.959
|
31.517
|
|
|
273
|
23.262
|
26.536
|
29.797
|
33.046
|
36.283
|
39.508
|
|
|
325
|
27.750
|
31.665
|
35.568
|
39.458
|
43.337
|
47.202
|
|
|
355
|
38.897
|
43.158
|
47.406
|
51.641
|
|
|
|
|
377
|
41.339
|
45.871
|
50.390
|
54.897
|
|
|
|
