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    Key Word:
    Comparison between domestic and international size deviations

    國內國際尺寸公差對照
    Comparison between domestic and international size deviations

                            尺寸(SIZE

    標準(SPECIFICATION)

    外徑尺寸
    SIZE

    外徑允許偏差 
    PERMISSIBLE VARIATION

    外徑尺寸 
    SIZE

    壁厚允許偏差 
    PERMISSIBLE VARIATION

    尺寸 
    SIZE

    允許偏差 
    PERMISSIBLE VARIATION

    GB/T14975-2002

    [10,30]

    +0.30/-0.30

    S≤3

    (+,-)14%

    [1.0,30.]

    +15/-0

    (30,50]

    +0.40/-0.40

    S>3

    (+12%/-10%

    D>50

    (+,-)0.9%

     

     

    GB/T14976-2002

    [6,10]

    +0.20/-0.20

    (0.5,1.0)

    (+,-)0.15

     

    +15/-0

    (10,30]

    +0.30/-0.30

    (1.0,3)

     

    (30,50]

    +0.40/-0.40

    S>3

    (+12%/-10%

    D>50

    (+,-)0.9%

     

     

    GB13296-2007

    [6,30]

    +0.15/-0.20

    D≤38

     

     

    +10/-0

    (30,50]

    +0.30/-0.30

    D>38

    +20/-0%

     

    D>50

    (+,-)0.75%

     

    +22/-0%

     

    ASTM A213

    D<25.4

    +0.10/-0.10

    D≤38.1

    +20%/-0

    D<50.8

    +3/-0

    [25.4,38.1]

    +0.15/-0.15

    (38.1,50.8)

    +0.20/-0.20

    [50.8,63.5)

    +0.25/-0.25

    D>38.1

    +20%/-0

    D≥50.8

    +5/-0

    [63.5,76.2)

    +0.30/-0.30

    [76.2,101.6]

    +0.38/-0.38

    (101.6,190.5]

    +0.38/-0.64

    (190.5,228.6]

    +0.38/-1.14

    ASTM A269

    D<12.7

    +0.13/-0.13

     

    (+,-)15%

     

    +3.2/-0

    [12.7,38.1]

     

    (+,-)10%

    [38.1,88.9)

    +0.25/-0.25

     

    +4.8/-0

    [88.9,139.7)

    +0.38/-0.38

    [139.7,203.2]

    +0.76/-0.76

    ASTM A312

    [10.29,48.26]

    +0.40/-0.80

     

    10. 29~73.03? +20%-12.5%
    88.90~762.00 t/D≤5%? +22%-12.5%
    88.90~762.00 t/D≤5%?? +15%-12.5%
    >508.00
    t/D焊接管式更大所有比例? +17.5%-12.5%

     

     

    +6/-0

    (48.26,114.30]

    +0.08/-0.80

    (114.30,219.08]

    +1.6/-0.80

    (219.08,457.20]

    +2.40/-0.80

    JIS G3459

    D<30

    +0.30/-0.30

    S<2

    (+,-)20

     

     

    D≥30

    +1%-1%

    S≥2

    (+,-)10%

     

     

    JIS G3463

    D<40

    +0.25/-0.25

    D<40:S<2

    +0.40/-0

    D≤50:L≤7

    +7/-0

    [40,50)

     

    D<50:L>7

    長度每增加3M或 
    其零數在上面的正 
    允許偏差加上3mm, 
    最大15mm

    [50,60)

    [60,80)

    +0.30/-0.30

    D<40:S≥2

    +20%/-0

    [80,100)

    +0.40/-0.40

    [100,120)

    +0.40/-0.60

    D>50:L≤7

    +10/-0

    [120,160)

    +0.40/-0.80

    D≥40

    +22%/-0

    D>50:L>7

    與D<50:L≥7m
    內容相同

    [160,200)

    +0.40/-0.60

    D≥200

    +0.40/-1.60

    DIN17456
    DIN17458

    D2

    (+,-)1.0%(+,-)0.5min

     

    T3

    (+,-)10% 0.2min

    D≤40:L 1m
    D≤40:L:(1-2]m
    D≤40:L:(2-3]m
    D≤40:L:(3-4]m
    D≤40:L:(4-8]m

    +1/-0

    +2/-0

    D3

    (+,-)0.75%(+,-)0.3min

    +3/-0

     

    T4

    (+,-)7.5% 0.15min

    +4/-0

    +5/-0

    D4

    (+,-)5% 0.1min

    40<D<168

     

    L≤6m

    +5/-0

    L>6m

    +10/-0

    ASTM A511
    TABLE3

    D<12.7

    +0.13/-0.13

     

    (+,-)15%

     

    +3.2/-0

    [12.7,38.1)

    (+,-)10%

    +4.8/-0

    [38.1,88.9)

    +0.25/-0.25

    [88.9,139.7)

    +0.38/-0.38

    [139.7,203.2)

    +0.76/-0.76

    [203.2,219.8)

    +1.14/-1.14

    [219.8,323.85]

    +1.57/-1.57

    ASTM A511
    TABLE4

    D≤76.2

    +0.56/-0.58

    S≤2.77

    (+,-)16.5%

     

    +4.76/-0

    2.77<S≤4.37

    (+,-)15%

    4.37<S≤5.16

    (+,-)14%

    S>5.16

    (+,-)12.5%

    (76.2,139.7]

    +0.79/-0.79

    S≤2.77

    (+,-)16.5%

     

    2.77<S≤4.37

    (+,-)15%

    4.37<S≤5.16

    (+,-)14%

    S>5.16

    (+,-)12.5%

    (139.7,203.2]

    +1.19/-1.19

    4.37<S≤5.16

    (+,-)14%

     

    S>5.16

    (+,-)12.5%

     

    日期:2011-3-31 閱讀:1604次
     

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