产品简介:
SAWH螺旋缝双面埋弧焊钢管产品可用于页岩气、石油、天然气、矿浆输送,自来水、污水工程、热网改造等工程,同时在打桩、桥梁、钢结构等方面也得到广泛的应用。
直径:Ф219.1~Ф2850mm。
壁厚:6.3~25.4mm。
钢级:
⑴管线钢:L245/B~L555/X80;
⑵碳钢:Q235~Q460。
执行标准:GB/T 9711-2017、API SPEC 5L(46版)、GB/T 3091-2015、SY/T 5037-2018及相关同类产品的其它国内外标准和其他更高的标准。
产品主要参数(API SPEC 5L(46版)):
外径偏差:
钢管外径为219.1≤D≤610mm时:
管端100mm范围内外径偏差:±0.005D,**为±1.6mm;
管体外径偏差:±0.0075D,**为±3.2mm。
钢管外径为610<D≤1422mm时:
管端100mm范围内外径偏差:±1.6mm;
管体外径偏差:±0.005D,**为±4.0mm。
钢管外径为D>1422mm时,协议。
椭圆度偏差:
钢管外径为219.1≤D≤610mm时:
管端100mm范围内椭圆度偏差:0.015D;
管体椭圆度偏差:0.020D。
钢管外径为610<D≤1422mm时:
管端100mm范围内椭圆度偏差:0.01D,**为13mm;
管体椭圆度偏差:0.015D,**为15mm。
钢管外径为D>1422mm时,协议。
壁厚偏差:
壁厚为t>5.0mm时:
壁厚偏差:±0.1t,**为±1.5mm。
直度偏差:
钢管全长相对于直线的总偏离应≤0.2%的钢管长度,在每个管端1.5m长度范围内的钢管相对于直线的局部偏离应≤3.2mm。
长度范围:
长度:8~22m。
如客户对质量有更高要求,可协商确定。
产品公称外径及公称壁厚范围表:
公称外径 | 公称壁厚mm |
mm | in | 6.3 | 7.1 | 7.9 | 8.7 | 9.5 | 10.3 | 11.1 | 12.7 | 14.3 | 15.9 | 17.5 | 19.1 | 20.6 | 22.2 | 25.4 |
219.1 | 8-5/8 |
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273.1 | 10-3/4 |
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323.9 | 12-3/4 |
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325 |
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355.6 | 14 |
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377 |
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406.4 | 16 |
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426 |
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457 | 18 |
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478 |
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508 | 20 |
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529 |
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559 | 22 |
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610 | 24 |
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630 |
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660 | 26 |
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711 | 28 |
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720 |
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762 | 30 |
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813 | 32 |
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820 |
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864 | 34 |
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914 | 36 |
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920 |
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965 | 38 |
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1016 | 40 |
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1020 |
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1067 | 42 |
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1118 | 44 |
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1219 | 48 |
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1321 | 52 |
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1422 | 56 |
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1524 | 60 |
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1626 | 64 |
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1727 | 68 |
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1820 |
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1829 | 72 |
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1930 | 76 |
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2032 | 80 |
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2134 | 84 |
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2438 | 96 |
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2540 | 100 |
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2642 | 104 |
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2743 | 108 |
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2850 |
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