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    國內國際尺寸公差對照

    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:3251次
     

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