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20G高壓鍋爐管尺寸及允許偏差\351×10無錫鋼管廠用途編輯
20G高壓鍋爐管尺寸及允許偏差
|
偏差等級 |
標準化外徑允許偏差 |
|
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 |
|
規格 |
數量 |
規格 |
數量 |
規格 |
數量 |
|
12×1.5 |
18 |
73×4-4.5-5-6-7-8-9-10-12-15 |
50 |
219×30-40 |
65 |
|
14×1.5-2.5-3 |
20 |
76×4-4.5-5-6-7-8-9-10-12-14 |
60 |
245×8-10-14-17-20-22 |
105 |
|
16×1.5-2.5-4 |
30 |
83×4.5-5-10/ 12 14 16 18 20 |
30 |
245×25-28-30-34-40 |
84 |
|
18×2.3-4-5 |
20 |
89×4.5-8-10/12-14 16 -18 20 |
40 |
273×7-9-12-15-18-20-25 |
100 |
|
20×2.5-3-5 |
17 |
95×4.5-6-8/10-12-14-16-20 |
50 |
273×30-35-38-40 |
50 |
|
24×2.5-3-4-5-6 |
25 |
102×4.5-5-6-7-8-10-12-14-16-20 |
80 |
299×8-12-16-20-24-28 |
60 |
|
25×2.5-3-4-5-6 |
28 |
108×4.5-5-6-7-8-10/12-14-18-20-22 |
75 |
299×30-32-36-38-40 |
70 |
|
28×3-3.5-4-5-6 |
30 |
114×4.5-5-6-7-8-10-12-14-18-20 |
100 |
325×8-12-14-18-38 |
120 |
|
32×3.5-4-5-6-8 |
40 |
121×4.5-5-6-7-8-10-12-14-16-20 |
102 |
325×28-32-34-38 |
75 |
|
34×4-5-6-8 |
35 |
127×4.5-5-6-7-8-10-12-14-16-20 |
95 |
351×10-16-20-25-40 |
120 |
|
36×3.5-5-6-8 |
30 |
133×4.5-6-8-12-14-16-18-20-25-30 |
120 |
355×6-18-20-25-30-40 |
45 |
|
38×4-5-6-7-8-9-10 |
33 |
140×5-6-7-8-9-10/12-14-16-20-22 |
50 |
377×8-12-15-20-24-28 |
128 |
|
39×3.5-5-8-10 |
30 |
146×4.5-6-8-12-14-16-18-20-25-30 |
60 |
377×30/37/40 |
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