dn750钢套钢保温螺旋钢管价格:
本公司生产主要生产螺旋钢管,直缝钢管,保温钢管,防腐钢管。螺旋钢管生产规格国内最全:219-3620mm。公司产品广泛应用于石油、化工、天燃气、核电、热电企业、冶金企业、热力管网、造船、造纸、建筑等行业的管道工程。
螺旋钢管偏差和公差
A、螺旋钢管偏差:在生产过程中,由于实际尺寸难于达到公称尺寸要求,即往往大于或小于公称尺寸,所以标准中规定了实际尺寸与公称尺寸之间允许有一差值。差值为正值的叫正偏差,差值为负值的叫负偏差。
B、螺旋钢管公差:标准中规定的正、负偏差值绝对值之和叫做公差,亦叫"公差带"。
偏差是有方向性的,即以"正"或"负"表示;公差是没有方向性的,因此,把偏差值称为"正公差"或"负公差"的叫法是错误的。
产品广泛用于天然气、石油、化工、电力、热力、给排水、蒸汽供热、水电站用压力钢管、火力发电、水源等长距离输送管线及打桩、桥梁、钢结构等工程领域。
外径 壁厚 重量 | ||
英寸 毫米. 单位 毫米. 英寸. 公斤/米.磅/英尺. | ||
1/8” 10.3 10S 1.24 0.049 0.28 0.19 | ||
1/8” 10.3 STD-40 1.73 0.068 0.37 0.25 | ||
1/8” 10.3 XS-80 2.41 0.095 0.48 0.32 | ||
1/4” 13.7 10S 1.65 0.065 0.5 0.34 | ||
1/4” 13.7 STD-40 2.24 0.088 0.64 0.43 | ||
1/4” 13.7 XS-80 3.02 0.119 0.81 0.55 | ||
3/8” 17.1 10S 1.65 0.065 0.64 0.43 | ||
3/8” 17.1 STD-40 2.31 0.091 0.85 0.57 | ||
3/8” 17.1 XS-80 3.2 0.126 1.11 0.75 | ||
1/2” 21.3 5S 1.05 0.042 0.53 0.36 | ||
1/2” 21.3 10S 2.11 0.083 1.01 0.68 | ||
1/2” 21.3 STD-40 2.77 0.109 1.28 0.86 | ||
1/2” 21.3 XS-80 3.73 0.147 1.63 1.1 | ||
1/2” 21.3 160 4.78 0.188 1.97 1.33 | ||
1/2” 21.3 XXS 7.47 0.294 2.57 1.73 | ||
3/4” 26.7 5S 1.65 0.065 1.03 0.69 | ||
3/4” 26.7 10S 2.11 0.083 1.29 0.87 | ||
3/4” 26.7 STD-40 2.87 0.113 1.7 1.14 | ||
3/4” 26.7 XS-80 3.91 0.154 2.22 1.49 | ||
3/4” 26.7 160 5.56 0.219 2.93 1.97 | ||
3/4” 26.7 XXS 7.82 0.308 3.68 2.48 | ||
1” 33.4 5S 1.65 0.065 1.31 0.88 | ||
1” 33.4 10S 2.77 0.109 2.12 1.42 | ||
1” 33.4 STD-40 3.38 0.133 2.53 1.7 | ||
1” 33.4 XS-80 4.55 0.179 3.27 2.18 | ||
1” 33.4 160 6.35 0.25 4.28 2.88 | ||
1” 33.4 XXS 9.09 0.358 5.51 3.71 | ||
1 1/4” 42.2 5S 1.65 0.065 1.67 1.12 | ||
1 1/4” 42.2 10S 2.77 0.109 2.72 1.83 | ||
1 1/4” 42.2 STD-40 3.56 0.14 3.43 2.31 | ||
1 1/4” 42.2 XS-80 4.85 0.191 4.51 3.03 | ||
1 1/4” 42.2 160 6.35 0.25 5.67 3.81 | ||
1 1/4” 42.2 XXS 9.7 0.382 7.85 5.28 | ||
1 1/2” 48.3 5S 1.65 0.065 1.92 1.29 | ||
1 1/2” 48.3 10S 2.77 0.109 3.14 2.11 | ||
1 1/2” 48.3 STD-40 3.68 0.145 4.09 2.75 | ||
1 1/2” 48.3 XS-80 5.08 0.2 5.47 3.68 | ||
1 1/2” 48.3 160 7.14 0.281 7.32 4.92 | ||
1 1/2” 48.3 XXS 10.15 0.4 9.65 6.49 | ||
2” 60.3 5S 1.65 0.065 2.41 1.62 | ||
2” 60.3 2.11 0.083 3.06 2.06 | ||
2” 60.3 10S 2.77 0.109 3.97 2.67 | ||
2” 60.3 3.18 0.125 4.52 3.04 | ||
2” 60.3 STD-40 3.91 0.154 5.49 3.69 | ||
2” 60.3 XS-80 5.54 0.218 7.56 5.08 | ||
2” 60.3 160 8.74 0.344 11.23 7.55 | ||
2” 60.3 XXS 11.07 0.436 13.58 9.13 | ||
2 1/2” 73 5S 2.11 0.083 3.73 2.51 | ||
2 1/2” 73 10S 3.05 0.12 5.32 3.57 | ||
2 1/2” 73 30 4.78 0.188 8.12 5.46 | ||
2 1/2” 73 STD-40 5.16 0.203 8.72 5.86 | ||
2 1/2” 73 XS-80 7.01 0.276 11.52 7.74 | ||
2 1/2” 73 160 9.53 0.375 15.08 10.14 | ||
2 1/2” 73 XXS 14.02 0.552 20.6 13.84 | ||
3” 88.9 5S 2.11 0.083 4.56 3.07 | ||
3” 88.9 2.77 0.109 5.95 4 | ||
3” 88.9 10S 3.05 0.12 6.52 4.38 | ||
3” 88.9 3.18 0.125 6.79 4.56 | ||
3” 88.9 3.58 0.141 7.61 5.12 | ||
3” 88.9 3.96 0.156 8.38 5.63 | ||
3” 88.9 STD-40 5.49 0.216 11.41 7.67 | ||
3” 88.9 XS-80 7.62 0.3 15.43 10.37 | ||
3” 88.9 160 11.13 0.438 21.56 14.49 | ||
3” 88.9 XXS 15.24 0.6 27.96 18.79 | ||
3 1/2” 101.6 5S 2.11 0.083 5.23 3.52 | ||
3 1/2” 101.6 10S 3.05 0.12 7.49 5.03 | ||
3 1/2” 101.6 30 4.78 0.188 11.53 7.75 | ||
3 1/2” 101.6 STD-40 5.74 0.226 13.71 9.21 | ||
3 1/2” 101.6 XS-80 8.08 0.318 18.83 12.65 | ||
4” 114.3 5S 2.11 0.083 5.9 3.97 | ||
4” 114.3 10S 3.05 0.12 8.46 5.68 | ||
4” 114.3 3.18 0.125 8.81 5.92 | ||
4” 114.3 3.96 0.156 10.89 7.32 | ||
4” 114.3 4.37 0.172 11.97 8.05 | ||
4” 114.3 4.78 0.188 13.04 8.76 | ||
4” 114.3 5.16 0.203 14.03 9.43 | ||
4” 114.3 5.56 0.219 | ||
12” 323.8 7.14 0.281 56.32 37.85 | ||
12” 323.8 7.92 0.312 6 | ||
12” 323.8 30 8.38 0.33 65.85 44.23 | ||
12” 323.8 8.74 0.344 68.6 46.1 | ||
12” 323.8 STD 9.53 0.375 74.61 50.13 | ||
12” 323.8 40 10.31 0.406 80.51 54.1 | ||
12” 323.8 11.13 0.438 86.69 58.25 | ||
12” 323.8 XS 12.7 0.5 98.42 66.14 | ||
12” 323.8 60 14.27 0.562 110.03 73.94 | ||
12” 323.8 15.88 0.625 121.81 81.85 | ||
12” 323.8 80 17.48 0.688 133.38 89.63 | ||
12” 323.8 19.05 0.75 14.62 97.18 | ||
12” 323.8 20.62 0.812 155.73 104.65 | ||
12” 323.8 100 21.44 0.844 161.48 108.51 | ||
12” 323.8 23.83 0.938 178.07 119.65 | ||
12” 323.8 XXS-120 25.4 1 188.8 126.87 | ||
12” 323.8 26.97 1.062 199.42 134 | ||
12” 323.8 140 28.58 1.125 210.18 141.23 | ||
12” 323.8 31.75 1.25 230.98 155.21 | ||
12” 323.8 160 33.32 1.312 241.1 162.01 | ||
14” 355.6 10 6.35 0.25 55.25 37.13 | ||
14” 355.6 20 7.92 0.312 68.6 46.1 | ||
14” 355.6 8.74 0.344 75.52 50.75 | ||
14” 355.6 STD-30 9.53 0.375 82.16 55.21 | ||
14” 355.6 10.31 0.406 88.68 59.59 | ||
14” 355.6 40 11.13 0.438 95.51 64.18 | ||
14” 355.6 XS 12.7 0.5 108.48 72.9 | ||
14” 355.6 14.27 0.562 121.33 81.53 | ||
14” 355.6 60 15.09 0.594 128 86.01 | ||
14” 355.6 80 19.05 0.75 159.71 107.32 | ||
14” 355.6 100 23.83 0.938 196.94 132.34 | ||
14” 355.6 25.4 1 208.92 140.39 | ||
14” 355.6 26.97 1.062 220.78 148.36 | ||
14” 355.6 120 27.79 1.094 226.93 152.49 | ||
14” 355.6 140 31.75 1.25 256.13 172.11 | ||
14” 355.6 160 35.71 1.406 284.56 191.21 | ||
16” 406.4 10 6.35 0.25 63.28 42.52 | ||
16” 406.4 7.14 0.281 71.01 47.72 | ||
16” 406.4 20 7.92 0.312 78.62 52.83 | ||
16” 406.4 8.74 0.344 86.58 58.18 | ||
16” 406.4 STD-30 9.53 0.357 94.21 63.31 | ||
16” 406.4 10.31 0.406 101.72 68.36 | ||
16” 406.4 11.13 0.438 109.59 73.64 | ||
16” 406.4 XS-40 12.7 0.5 124.55 83.69 | ||
16” 406.4 14.27 0.562 139.39 93.67 | ||
16” 406.4 15.88 0.625 154.48 103.8 | ||
16” 406.4 60 16.66 0.656 161.74 108.69 | ||
16” 406.4 17.48 0.688 169.35 113.8 | ||
16” 406.4 19.05 0.75 183.81 123.52 | ||
16” 406.4 20.62 0.812 198.15 133.15 | ||
16” 406.4 80 21.44 0.844 205.6 138.15 | ||
16” 406.4 25.4 1 241.06 161.98 | ||
16” 406.4 100 26.19 1.031 248.05 166.68 | ||
16” 406.4 120 30.96 1.219 289.54 194.56 | ||
16” 406.4 31.75 1.25 296.31 199.11 | ||
16” 406.4 140 36.53 1.438 336.57 226.16 | ||
16” 406.4 160 40.49 1.594 369.06 247.99 | ||
18” 457 20 7.92 0.312 88.6 59.54 | ||
18” 457 8.74 0.344 97.59 65.58 | ||
18” 457 STD 9.53 0.375 106.23 71.38 | ||
18” 457 10.31 0.406 114.72 77.09 | ||
18” 457 30 11.13 0.438 123.62 83.07 | ||
18” 457 XS 12.7 0.5 140.56 94.45 | ||
18” 457 40 14.27 0.562 157.38 105.75 | ||
18” 457 15.88 0.625 174.5 117.25 | ||
18” 457 17.48 0.688 191.38 128.6 | ||
18” 457 60 19.05 0.75 207.82 139.65 | ||
18” 457 80 23.83 0.938 257.13 172.78 | ||
18” 457 25.4 1 273.08 183.5 | ||
18” 457 26.97 1.062 288.91 194.14 | ||
18” 457 28.58 1.125 305.01 204.96 | ||
18” 457 100 29.36 1.156 312.76 210.16 | ||
18” 457 30.18 1.188 320.88 215.62 | ||
18” 457 31.75 1.25 336.33 226 | ||
18” 457 120 34.93 1.375 367.25 246.78 | ||
18” 457 140 39.67 1.562 412.4 277.12 | ||
18” 457 160 45.24 1.781 464.03 311.81 | ||
20” 508 8.74 0.344 108.7 73.04 | ||
TD-20 9.53 0.375 118.33 79.51 | ||
20” 508 10.31 0.406 127.82 85.89 | ||
20” 508 11.13 0.438 137.76 92.57 | ||
20” 508 XS-30 12.7 0.5 156.7 105.3 | ||
20” 508 14.27 0.562 175.51 117.94 | ||
20” 508 40 15.09 0.594 185.28 124.5 | ||
20” 508 15.88 0.625 194.67 130.81 | ||
20” 508 17.48 0.688 213.59 143.53 | ||
20” 508 19.05 0.75 232.03 155.92 | ||
20” 508 60 20.62 0.812 250.34 168.22 | ||
20” 508 25.4 1 305.35 205.18 | ||
20” 508 80 26.19 1.031 314.33 211.22 | ||
20” 508 30.18 1.188 359.22 241.38 | ||
20” 508 31.75 1.25 376.66 253.1 | ||
20” 508 100 32.54 1.281 385.4 258.97 | ||
20” 508 120 38.1 1.5 445.97 299.67 | ||
20” 508 140 44.45 1.75 513.27 344.9 | ||
20” 508 160 50.01 1.969 570.54 383.38 | ||
22” 559 8.74 0.344 119.8 80.5 | ||
22” 559 STD-20 9.53 0.375 130.44 87.65 | ||
22” 559 XS-30 12.7 0.5 172.83 116.14 | ||
22” 559 15.88 0.625 214.84 144.37 | ||
22” 559 17.48 0.688 235.79 158.44 | ||
22” 559 19.05 0.75 256.23 172.18 | ||
22” 559 20.62 0.812 276.54 185.83 | ||
24” 610 8.74 0.344 130.9 87.96 | ||
24” 610 STD-20 9.53 0.375 142.55 95.79 | ||
24” 610 XS 12.7 0.5 188.96 126.98 | ||
24” 610 30 14.27 0.562 211.76 142.3 | ||
24” 610 15.88 0.625 233.02 157.93 | ||
24” 610 40 17.48 0.688 258 173.37 | ||
24” 610 19.05 0.75 280.43 188.44 | ||
24” 610 20.62 0.812 302.73 203.42 | ||
24” 610 60 24.61 0.969 358.87 241.15 | ||
24” 610 25.4 1 369.89 248.55 | ||
24” 610 26.97 1.062 391.69 263.2 | ||
24” 610 30.18 1.188 435.9 292.91 | ||
24” 610 80 30.96 1.219 442.86 297.59 | ||
24” 610 100 38.89 1.531 553.26 371.72 | ||
24” 610 120 46.02 1.812 646.52 434.44 | ||
24” 610 140 52.37 2.062 727.45 488.82 | ||
26” 660 STD 9.53 0.375 154.42 103.77 | ||
26” 660 XS-20 12.7 0.5 204.78 137.61 | ||
26” 660 17.48 0.688 279.77 188 | ||
26” 660 19.05 0.75 304.15 204.38 | ||
28” 711 STD 9.53 0.375 166.52 118.9 | ||
28” 711 XS-20 12.7 0.5 220.91 148.44 | ||
28” 711 17.48 0.688 301.98 202.92 | ||
28” 711 19.05 0.75 328.35 220.64 | ||
30” 762 STD 9.53 0.375 178.63 120.03 | ||
30” 762 XS-20 12.7 0.5 237.05 159.29 | ||
32” 813 STD 9.53 0.375 190.74 128.17 | ||
32” 813 XS-20 12.7 0.5 253.18 170.13 | ||
34” 864 STD 9.53 0.375 202.84 136.3 | ||
34” 864 XS-20 12.7 0.5 269.31 180.97 | ||
36” 914 STD 9.53 0.375 214.71 144.28 | ||
36” 914 XS-20 12.7 0.5 285.13 191.6 | ||
38” 965 STD 9.53 0.375 226.82 152.42 | ||
38” 965 XS 12.7 0.5 301.27 202.44 | ||
40” 1016 STD 9.53 0.375 238.93 160.55 | ||
40” 1016 XS 12.7 0.5 317.4 213.28 | ||
42” 1067 STD 9.53 0.375 251.04 168.69 | ||
42” 1067 XS 12.7 0.5 333.54 224.13 | ||
44” 1118 STD 9.53 0.375 263.14 176.82 | ||
44” 1118 XS 12.7 0.5 349.67 234.92 | ||
46” 1168 STD 9.53 0.375 275.01 184.8 | ||
46” 1168 XS 12.7 0.5 365.49 245.59 | ||
48” 1219 STD 9.53 0.375 287.12 192.93 | ||
48” 1219 XS 12.7 0.5 381.62 256.43 | ||
52” 1321 9.53 0.375 311.33 209.2 | ||
52” 1321 12.7 0.5 413.89 278.12 | ||
56” 1422 9.53 0.375 335.31 225.32 | ||
56” 1422 12.7 0.5 445.84 299.59 | ||
60” 1524 9.53 0.375 359.52 241.5 | ||
60” 1524 12.7 0.5 478.11 321.27 | ||
64” 1626 9.53 0.375 383.74 257.86 | ||
64” 1626 12.7 0.5 510.38 342.96 | ||
68” 1727 12.7 0.5 542.33 364.43 | ||
72” 1829 12.7 0 | ||
76” 1930 12.7 0.5 606.55 407.58 | ||
80” 2032 14.27 0.562 717.23 481.95 |
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