不銹耐酸鋼極薄壁無(wú)縫鋼管（GB／T3089—1982）
(1)尺寸規(guī)格
不銹耐酸鋼極薄壁無(wú)縫鋼管的尺寸規(guī)格
|
外徑×壁厚/mm |
|
10.3×0.15 |
12.4×0.20 |
15.4×0.20 |
18.4×0.20 |
24.0×0.20 |
|
24.4×0.20 |
26.4×0.20 |
32.4×0.20 |
35.0×0.50 |
40.4×0.20 |
|
40.6×0.30 |
41.0×0.50 |
41.2×0.60 |
48.0×0.25 |
50.5×0.25 |
|
53.2×0.60 |
55.0×0.50 |
59.6×0.30 |
60.0×0.25 |
60.0×0.50 |
|
61.0×0.35 |
61.0×0.50 |
61.2×0.60 |
67.6×0.30 |
67.8×0.40 |
|
70.2×0.60 |
74.0×0.50 |
75.5×0.25 |
75.6×0.30 |
82.8×0.40 |
|
83.0×0.50 |
89.6×0.30 |
89.8×0.40 |
90.2×0.40 |
90.5×0.25 |
|
90.7×0.30 |
90.8×0.40 |
95.6×0.30 |
101.0×0.50 |
102.6×0.30 |
|
|
110.9×0.45 |
125.7×0.35 |
150.×80.40 |
250.8×0.40 |
注：1.根據(jù)需方要求，經(jīng)雙方協(xié)議，可供應(yīng)表中規(guī)定以外的其他尺寸規(guī)格鋼管。
2.鋼管通常長(zhǎng)度為0.5-6m。
(2)允許偏差
不銹耐酸鋼極薄壁無(wú)縫鋼管的內(nèi)徑允許偏差
|
直徑／mm |
普通級(jí)／mm |
高級(jí)／mm |
|
10～250 |
+0.05
-0.10 |
±0.05 |
不銹耐酸鋼極薄壁無(wú)縫鋼管的壁厚允許偏差
|
鋼管尺寸／mm |
壁厚允許偏差／mm |
|
外徑 |
壁厚 |
普通級(jí) |
高 級(jí) |
|
≤60 |
≤0.20 |
±0.03 |
+0.03
-0.0l |
|
0.25 |
+0.04
-0.03 |
+0.03
-0.02 |
|
0.30 |
±0.04 |
±0.03 |
|
0.35 |
+0.05
-0.04 |
+0.04
-0.03 |
|
≤60 |
0.40 |
±0.05 |
±0.04 |
|
0.50 |
±0.06 |
+0.05
-0.04 |
|
0.60 |
±0.08 |
±0.05 |
|
>60 |
≤0.25 |
±0.04 |
±0.03 |
|
0.30 |
±0.04 |
+0.04
-0.03 |
|
0.35 |
±0.05 |
±0.04 |
|
0.40 |
±0.05 |
+0.05
-0.04 |
|
0.50 |
±0.06 |
±0.05 |
|
0.60 |
±0.08 |
±0.05 |
注：鋼管的每米彎曲度應(yīng)不大于5mm。
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