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    當前所在位置: 首頁 » 新聞資訊 » ASME B16.5 不銹鋼對焊法蘭介紹

    ASME B16.5 不銹鋼對焊法蘭介紹

    瀏覽數(shù)量: 4773     作者: 本站編輯     發(fā)布時間: 2023-09-14      來源: 本站

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    一、什么是ASME B16.5不銹鋼對焊法蘭?   

    weld neck flange asme b16.5

    ASME B16.5是不銹鋼對焊法蘭的美標生產(chǎn)標準,它屬于美國機械工程師協(xié)會(ASME)的管道和管道部件標準之一。該標準規(guī)定了管道系統(tǒng)中使用的對焊法蘭的尺寸、材料、壓力和溫度等級等方面的要求。

    不銹鋼對焊法蘭是指用不銹鋼材料鍛制而成的對焊法蘭,其具有較好的耐腐蝕性和高強度,適用于各種腐蝕性介質(zhì)的管道系統(tǒng),例如化工、石油、天然氣、船舶制造、制藥等行業(yè)。

    二、對焊法蘭的特點

    對焊法蘭不易變形,與螺栓、墊片配套使用,密封性好,有相應的剛性與彈性要求和合理的對焊減薄過渡,焊口離接合面距離大,避免接合面免受焊接溫度變形,它采取比較復雜的嗽叭形體結構,適用于壓力或溫度大幅度波動的管線或高溫、高壓及低溫的管道。

    三、ASME B16.5不銹鋼對焊法蘭尺寸規(guī)格

    尺寸范圍:1/2英寸-24英寸;

    對焊法蘭密封面型式:突面(RF)、平面(FF)、凹凸面(MFM)、榫槽面(TG)、環(huán)連接面(RJ)等,一般常用的是RF面對焊法蘭。

    適用壓力等級:Class150、300、400、600、900、1500、2500等7個等級;

    ASME B16.5 Weld Neck Flange

    Class 150 對焊法蘭尺寸重量參數(shù)表

    Nominal Pipe Size A B C D E F G H I J Weight
    inch mm mm mm mm mm mm mm mm Holes mm mm kg / piece
    1/2 21.30 88.90 15.70 11.20 47.80 21.30 30.20 35.00 4 15.70 60.45 0.48
    3/4 26.70 98.60 20.80 12.70 52.30 26.70 38.10 42.90 4 15.70 69.85 0.71
    1 33.40 108.0 26.70 14.20 55.60 33.50 49.30 50.80 4 15.70 79.25 1.01
    11/4 42.20 117.3 35.10 15.70 57.15 42.20 58.70 63.50 4 15.70 88.90 1.33
    11/2 48.30 127.0 40.90 17.50 62.00 48.30 65.00 73.15 4 15.70 98.60 1.72
    2 60.30 152.4 52.60 19.10 63.50 60.45 77.70 91.90 4 19.10 120.7 2.58
    21/2 73.00 177.8 62.70 22.40 69.85 73. 15 90.4 104.6 4 19.10 139.7 4.11
    3 88.90 190.5 78.00 23.90 69.85 88.90 108.0 127.0 4 19.10 152.4 4.92
    31/2 101.6 215.9 90.20 23.90 71.40 101.6 122.2 139.7 8 19.10 177.8 6.08
    4 114.3 228.6 102.40 23.90 76.20 114.3 134.9 157.2 8 19.10 190.5 6.84
    5 141.3 254.0 128.3 23.90 88.90 141.2 163.6 185.7 8 22.40 215.9 8.56
    6 168.3 279.4 154.2 25.40 88.90 168.4 192.0 215.9 8 22.40 241.3 10.6
    8 219.1 342.9 202.7 28.40 101.6 219.2 246.1 269.7 8 22.40 298.5 17.6
    10 273.0 406.4 254.5 30.20 101.6 273.0 304.8 323.8 12 25.40 362.0 24.0
    12 323.8 482.6 304.8 31.75 114.3 323.8 365.3 381.0 12 25.40 431.8 36.5
    14 355.6 533.4 To be specified by
    the Purchaser
    35.10 127.0 355.6 400.1 412.7 12 28.40 476.3 48.4
    16 406.4 596.9 36.60 127.0 406.4 475.2 469.9 16 28.40 539.8 60.6
    18 457.2 635.0 39.60 139.7 457.2 505.0 533.4 16 31.75 577.9 68.3
    20 508.0 698.5 42.90 144.5 508.0 558.8 584.2 20 31.75 635.0 84.5
    24 609.6 812.8 47.80 152.4 609.6 663.4 692.1 20 35.10 749.3 115

    Class 300 對焊法蘭(Weld Neck Flange)尺寸重量參數(shù)表

    Nominal Pipe Size A B C D E F G H I J Weight
    inch mm mm mm mm mm mm mm mm Holes mm mm kg / piece
    1/2 21.30 95.20 15.70 14.20 52.30 21.30 38.10 35.00 4 15.70 66.55 0.75
    3/4 26.70 117.3 20.80 15.70 57.15 26.70 47.70 42.90 4 19.00 82.50 1.26
    1 33.40 123.9 26.70 17.50 62.00 33.50 53.80 50.80 4 19.00 88.90 1.52
    1 1/4 42.20 133.3 35.10 19.00 65.00 42.20 63.50 63.50 4 19.00 98.50 2.03
    1 1/2 48.30 155.4 40.90 20.60 68.30 48.30 69.85 73. 15 4 22.30 114.3 2.89
    2 60.30 165. 1 52.60 22.30 69.85 60.45 84.00 91.90 8 19.00 127.0 3.4
    2 1/2 73.00 190.5 62.70 25.40 76.20 73.15 100.0 104.6 8 22.30 149.3 5.17
    3 88.90 209.5 78.00 28.40 79.25 88.90 117.3 127.0 8 22.30 168.1 6.93
    3 1/2 101.6 228.6 90.20 30.20 81.00 101.6 133.3 139.7 8 22.30 184.1 8.67
    4 114.3 254.0 102.4 31.70 85.80 114.3 146.0 157.2 8 22.30 200.1 11.2
    5 141.3 279.4 128.3 35.00 98.50 141.2 177.8 185.7 8 22.30 234.9 15.1
    6 168.3 317.5 154.2 36.50 98.50 168.4 206.2 215.9 12 22.30 269.7 19.1
    8 219.1 381.0 202.7 41.10 111.2 219.2 260.3 269.7 12 25.40 330.2 29.9
    10 273.0 444.5 254.5 47.70 117.3 273.0 320.5 323.8 16 28.40 387.3 42.7
    12 323.8 520.7 304.8 50.80 130.0 323.8 374.6 381.0 16 31.70 450.8 61.8
    14 355.6 584.2 To be specified by
    the Purchaser
    53.80 142.7 355.6 425.4 412.7 20 31.70 514.3 85.8
    16 406.4 647.7 57.15 146.0 406.4 482.6 469.9 20 35.00 571.5 106
    18 457.2 711.2 60.45 158.7 457.2 533.4 533.4 24 35.00 628.6 131
    20 508.0 774.7 63.50 162.0 508.0 587.2 584.2 24 35.00 685.8 158
    24 609.6 914.4 69.85 168.1 609.6 701.5 692.1 24 41.10 812.8 230

    drawing of weld neck flange

    Class 400 鍛制對焊法蘭尺寸重量參數(shù)表

    Nominal Pipe Size A B C D E F G H I J Weight
    inch mm mm mm mm mm mm mm mm Holes mm mm kg / piece
    1/2 21.30 95.30 To be specified by
    the Purchaser
    14.20 52.30 21.30 38.10 35.00 4 15.70 66.55 0.87
    3/4 26.70 117.3 15.70 57.15 26.70 47.80 42.90 4 19.10 82.60 1.45
    1 33.40 124.0 17.50 62.00 33.50 53.80 50.80 4 19.10 88.90 1.76
    11/4 42.20 133.4 20.60 66.55 42.20 63.50 63.50 4 19.10 98.60 2.49
    11/2 48.30 155.4 22.40 69.85 48.30 69.85 73.15 4 22.40 114.3 3.49
    2 60.30 165.1 25.40 73.15 60.45 84.10 91.90 8 19.10 127.0 4.36
    21/2 73.00 190.5 28.40 79.25 73.15 100.1 104.6 8 22.40 149.4 6.43
    3 88.90 209.6 31.75 82.60 88.90 117.3 127.0 8 22.40 168. 1 8.53
    31/2 101.6 228.6 35.10 85.90 101.6 133.4 139.7 8 25.40 84.2 10.7
    4 114.3 254.0 35.10 88.90 114.3 146.1 157.2 8 25.40 200.2 12.8
    5 141.3 279.4 38.10 101.6 141.2 177.8 185.7 8 25.40 235.0 16.9
    6 168.3 317.5 41.10 103.1 168.4 206.2 215.9 12 25.40 269.7 22.0
    8 219. 1 381.0 47.80 117.3 219.2 260.4 269.7 12 28.40 330.2 34.7
    10 273.0 444.5 53.80 124.0 273.0 320.5 323.8 16 31.75 387.4 48.5
    12 323.8 520.7 57.15 5.380
    136.7
    323.8 374.7 381.0 16 35.10 450.9 69.6
    14 355.6 584.2 60.45 149.4 355.6 425.5 412.7 20 35.10 514.4 95.5
    16 406.4 647.7 63.50 152.4 406.4 482.6 469.9 20 38.10 571.5 118
    18 457.2 711.2 66.55 165.1 457.2 533.4 533.4 24 38.10 628.7 145
    20 508.0 774.7 69.85 168.1 508.0 587.2 584.2 24 41.10 685.8 173
    24 609.6 914.4 76.20 174.8 609.6 701.5 692.1 24 47.80 812.8 249

    CLASS 600鋼制對焊法蘭尺寸參數(shù)表

    Nominal Pipe Size A B C D E F G H I J Weight
    inch mm mm mm mm mm mm mm mm Holes mm mm kg / piece
    1/2 21.30 95.30 To be specified by
    the Purchaser
    14.20 52.30 21.30 38.10 35.00 4 15.70 66.55 0.87
    3/4 26.70 117.3 15.70 57.15 26.70 47.80 42.90 4 19.10 82.60 1.45
    1 33.40 124.0 17.50 62.00 33.50 53.80 50.80 4 19.10 88.90 1.76
    11/4 42.20 133.4 20.60 66.55 42.20 63.50 63.50 4 19.10 98.60 2.49
    11/2 48.30 155.4 22.40 69.85 48.30 69.85 73. 15 4 22.40 114.3 3.49
    2 60.30 165. 1 25.40 73.15 60.45 84.10 91.90 8 19.10 127.0 4.36
    21/2 73.00 190.5 28.40 79.25 73.15 100.1 104.6 8 22.40 149.4 6.43
    3 88.90 209.6 31.75 82.60 88.90 117.3 127.0 8 22.40 168.1 8.53
    31/2 101.6 228.6 35.10 85.90 101.6 133.4 139.7 8 25.40 184.2 10.7
    4 114.3 273. 1 38.10 101.6 114.3 152.4 157.2 8 25.40 215.9 17.4
    5 141.3 330.2 44.50 114.3 141.2 189.0 185.7 8 28.40 266.7 29.2
    6 168.3 355.6 47.80 117.3 168.4 222.3 215.9 12 28.40 292.1 34.9
    8 219.1 419. 1 55.60 133.4 219.2 273.1 269.7 12 31.75 349.3 53.9
    10 273.0 508.0 63.50 152.4 273.0 342.9 323.8 16 35.10 431.8 86.5
    12 323.8 558.8 66.55 155.4 323.8 400.1 381.0 20 35.10 489.0 103
    14 355.6 603.3 69.85 165.1 355.6 431.8 412.7 20 38.10 527.1 122
    16 406.4 685.8 76.20 177.8 406.4 495.3 469.9 20 41.10 603.3 170
    18 457.2 743.0 82.60 184.2 457.2 546.1 533.4 20 44.50 654.1 204
    20 508.0 812.8 88.90 190.5 508.0 609.6 584.2 24 44.50 723.9 254
    24 609.6 939.8 101.6 203.2 609.6 717.6 692.1 24 50.80 838.2 358

    CLASS 900不銹鋼對焊法蘭尺寸參數(shù)表

    Nominal Pipe Size A B C D E F G H I J Weight
    inch mm mm mm mm mm mm mm mm Holes mm mm kg / piece
    1/2 21.30 120.6 To be specified by
    the Purchaser
    22.30 60.45 21.30 38.10 35.00 4 22.30 82.50 1.87
    3/4 26.70 130.0 25.40 69.85 26.70 44.00 42.90 4 22.30 88.90 2.56
    1 33.40 149.3 28.40 73.15 33.50 52.30 50.80 4 25.40 101.6 3.74
    11/4 42.20 158.7 28.40 73.15 42.20 63.50 63.50 4 25.40 111.2 4.33
    11/2 48.30 177.8 31.70 82.50 48.30 69.85 73.15 4 28.40 123.9 5.94
    2 60.30 215.9 38.10 101.6 60.45 104.6 91.90 8 25.40 165.1 10.8
    21/2 73.00 244.3 41.10 104.6 73.15 123.9 104.6 8 28.40 190.5 15.0
    3 88.90 241.3 38.10 101.6 88.90 127.0 127.0 8 25.40 190.5 13.7
    4 114.3 292.1 44.40 114.3 114.3 158.7 157.2 8 31.70 234.9 22.5
    5 141.3 349.2 50.80 127.0 141.2 190.5 185.7 8 35.00 279.4 37.4
    6 168.3 381.0 55.60 139.7 168.4 234.9 215.9 12 31.70 317.5 47.7
    8 219. 1 469.9 63.50 162.0 219.2 298.4 269.7 12 38.10 393.7 81.3
    10 273.0 546.1 69.85 184. 1 273.0 368.3 323.8 16 38.10 469.9 119
    12 323.8 609.6 79.25 200. 1 323.8 419.1 381.0 20 38.10 533.4 157
    14 355.6 641.3 85.80 212.8 355.6 450.8 412.7 20 41.10 558.8 180
    16 406.4 704.8 88.90 215.9 406.4 508.0 469.9 20 44.40 615.9 217
    18 457.2 787.4 101.6 228.6 457.2 565.1 533.4 20 50.80 685.8 292
    20 508.0 857.2 107.9 247.6 508.0 622.3 584.2 20 53.80 749.3 362
    24 609.6 1041.4 139.7 292. 1 609.6 749.3 692.1 20 66.55 901.7 665

    CLASS 1500對焊法蘭(WN Flange)尺寸參數(shù)表

    Nominal Pipe Size A B C D E F G H I J Weight
    inch mm mm mm mm mm mm mm mm Holes mm mm kg / piece
    1/2 21.30 120.6 To be specified by
    the Purchaser
    22.30 60.45 21.30 38.10 35.00 4 22.30 82.50 1.87
    3/4 26.70 130.0 25.40 69.85 26.70 44.00 42.90 4 22.30 88.90 2.56
    1 33.40 149.3 28.40 73.15 33.50 52.30 50.80 4 25.40 101.6 3.74
    11/4 42.20 158.7 28.40 73.15 42.20 63.50 63.50 4 25.40 111.2 4.33
    11/2 48.30 177.8 31.70 82.50 48.30 69.85 73. 15 4 28.40 123.9 5.94
    2 60.30 215.9 38.10 101.6 60.45 104.6 91.90 8 25.40 165.1 10.8
    21/2 73.00 244.3 41.10 104.6 73.15 123.9 104.6 8 28.40 190.5 15.0
    3 88.90 266.7 47.70 177.3 88.9 133.3 127.0 8 31.70 203.2 19.9
    4 114.3 311.1 53.80 123.9 114.3 162.0 157.2 8 35.00 241.3 29.9
    5 141.3 374.6 73.15 155.4 141.2 196.8 185.7 8 41.10 292.1 55.4
    6 168.3 393.7 82.50 171.4 168.4 228.6 215.9 12 38.10 317.5 68.4
    8 219.1 482.6 91.90 212.8 219.2 292.1 269.7 12 44.40 393.7 117
    10 273.0 584.2 107.9 254.0 273.0 368.3 323.8 12 50.80 482.6 194
    12 323.8 673. 1 123.9 282.4 323.8 450.8 381.0 16 53.80 571.5 288
    14 355.6 749.3 133.3 298.4 355.6 495.3 412.7 16 60.45 635.0 380
    16 406.4 825.5 146.0 311. 1 406.4 552.4 469.9 16 66.55 704.8 485
    18 457.2 914.4 162.0 327.1 457.2 596.9 533.4 16 73.15 774.7 644
    20 508.0 984.2 177.8 355.6 508.0 641.3 584.2 16 79.25 831.8 775
    24 609.6 1168.4 203.2 406.4 609.6 762.0 692.1 16 91.90 990.6 1232

    CLASS 2500鍛造對焊法蘭尺寸參數(shù)表

    Nominal Pipe Size A B C D E F G H I J Weight
    inch mm mm mm mm mm mm mm mm Holes mm mm kg / piece
    1/2 21.30 133.4 To be specified by
    the Purchaser
    30.20 73. 15 21.30 42.90 35.00 4 22.40 88.90 3.12
    3/4 26.70 139.7 31.75 79.25 26.70 50.80 42.90 4 22.40 95.30 3.70
    1 33.40 158.8 35.10 88.90 33.50 57.15 50.80 4 25.40 108.0 5.24
    11/4 42.20 184.2 38.10 95.30 42.20 73.15 63.50 4 28.40 130.0 7.74
    11/2 48.30 203.2 44.50 111.3 48.30 79.25 73.15 4 31.75 146. 1 10.9
    2 60.30 235.0 50.80 127.0 60.45 95.30 91.90 8 28.40 171.5 16.2
    21/2 73.00 266.7 57.15 142.7 73.15 114.3 104.6 8 31.75 196.9 23.7
    3 88.90 304.8 66.55 168.1 88.90 133.4 127.0 8 35.10 228.6 36.2
    4 114.3 355.6 76.20 190.5 114.3 165.1 157.2 8 41.10 273. 1 55.3
    5 141.3 419.1 91.90 228.6 141.2 203.2 185.7 8 47.80 323.9 92.5
    6 168.3 482.6 108 273.1 168.4 235.0 215.9 8 53.80 368.3 143
    8 219.1 552.5 127.0 317.5 219.2 304.8 269.7 12 53.80 438.2 215
    10 273.0 673.1 165.1 419.1 273.0 374.7 323.8 12 66.55 539.8 406
    12 323.8 762.0 184.2 463.6 323.8 441.5 381.0 12 73.15 619.3 572

    常見材質(zhì)包括:不銹鋼F304/304L、F316/316L、F321、F347、F904L、F51、F53、F55等等。

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