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异型钢管规格型号对照表和成分检验标准 |
2017/10/12 |
作者: 聊城佳强钢管 |
| 折叠是异型管表面形成的各种折线，这种缺陷往往贯穿整个产品的纵向。产生折叠的原因是由于伪劣厂家追求高效率，压下量偏大，产生耳子，下一道轧制时就产生折叠，折叠的产品折弯后就会开裂，钢材的强度大下降。
伪劣异型管无金属光泽，呈淡红色或类似生铁的颜色，原因有两点二、它的坯料是土坯。2、伪劣材轧制的温度不标准，他们的钢温是通过目测的，这样无法按规定的奥氏体区域进行轧制，异型管钢材的性能自然就无法达标。
异型钢管规格型号对照表
| 1/8" |
10.29 |
- |
- |
1.24 |
0.281 |
1.73 |
0371 |
2.41 |
0.467 |
- |
- |
| 1/4" |
13.72 |
- |
- |
1.65 |
0.499 |
2.24 |
0.644 |
3.02 |
0.809 |
- |
- |
| 3/8" |
17.15 |
- |
- |
1.65 |
0.640 |
2.31 |
0.858 |
3.20 |
1.118 |
- |
- |
| 1/2" |
21.34 |
1.65 |
0.814 |
2.11 |
1.016 |
2.77 |
1.26 |
3.73 |
1.62 |
- |
- |
| 3/4" |
26.67 |
1.65 |
1.034 |
2.11 |
1.298 |
2.87 |
1.68 |
3.91 |
2.19 |
- |
- |
| 1" |
33.40 |
1.65 |
1.312 |
2.77 |
2.125 |
3.338 |
2.50 |
4.55 |
3.23 |
- |
- |
| 11/4" |
42.16 |
1.65 |
1.674 |
2.77 |
2.732 |
3.56 |
3.38 |
4.85 |
4.46 |
- |
- |
| 11/2" |
48.26 |
1.65 |
1.926 |
2.77 |
3.155 |
3.68 |
4.05 |
5.08 |
5.40 |
- |
- |
| 2" |
60.33 |
1.65 |
2.424 |
2.77 |
3.992 |
3.91 |
5.43 |
5.54 |
7.47 |
- |
- |
| 21/2" |
73.03 |
2.11 |
3.747 |
3.05 |
5.345 |
5.16 |
8.62 |
7.01 |
11.40 |
- |
- |
| 3" |
88.90 |
2.11 |
4.585 |
3.05 |
6.557 |
5.49 |
11.28 |
7.62 |
15.25 |
- |
- |
| 31/2" |
101.60 |
2.11 |
5.272 |
3.05 |
7.526 |
5.74 |
13.56 |
8.08 |
18.62 |
- |
- |
| 4" |
114.30 |
2.11 |
5.945 |
3.05 |
8.496 |
6.02 |
16.06 |
8.56 |
22.29 |
- |
- |
| 5" |
141.30 |
2.77 |
9.639 |
3.40 |
11.740 |
6.55 |
21.76 |
9.52 |
30.92 |
- |
- |
| 6" |
168.30 |
2.77 |
11.514 |
3.40 |
14.037 |
7.11 |
28.23 |
10.97 |
42.52 |
- |
- |
| 8" |
219.08 |
2.77 |
15.049 |
3.76 |
20.334 |
8.18 |
42.49 |
12.7 |
64.57 |
- |
- |
| 10" |
273.05 |
3.40 |
23.028 |
4.19 |
28.290 |
9.27 |
60.24 |
12.7 |
81.46 |
- |
- |
| 12" |
323.85 |
3.96 |
31.806 |
4.57 |
36.633 |
9.52 |
73.76 |
12.7 |
97.36 |
- |
- |
| 14" |
355.60 |
3.98 |
34.99 |
4.78 |
42.102 |
- |
- |
- |
- |
6.35 |
54.63 |
| 16" |
406.40 |
4.19 |
42.35 |
4.78 |
48.220 |
- |
- |
- |
- |
6.35 |
62.58 |
| 18" |
457.20 |
4.19 |
47.7 |
4.78 |
54.300 |
- |
- |
- |
- |
6.35 |
70.50 |
| 20" |
508 |
4.77 |
60.32 |
5.53 |
69.766 |
- |
- |
- |
- |
6.35 |
78.47 |
| 22" |
553.8 |
4.77 |
- |
5.53 |
- |
- |
- |
- |
- |
6.35 |
86.42 |
| 24" |
609.6 |
5.54 |
84.10 |
6.35 |
96.215 |
- |
- |
- |
- |
6.35 |
96.215 |
| 26" |
660.4 |
- |
- |
- |
- |
- |
- |
- |
- |
7.92 |
127.58 |
| 28" |
711.6 |
- |
- |
- |
- |
- |
- |
- |
- |
7.92 |
137.52 |
| 30" |
762 |
6.35 |
120.59 |
7.92 |
147.45 |
- |
- |
- |
- |
7.92 |
147.45 |
| 32" |
812.8 |
- |
- |
- |
- |
- |
- |
- |
- |
7.92 |
157.39 |
| 34" |
863.6 |
- |
- |
- |
- |
- |
- |
- |
- |
7.92 |
167.32 |
| 36" |
914.4 |
- |
- |
- |
- |
- |
- |
- |
- |
7.92 |
177.26
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