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                  國內國際尺寸公差對照

                  點擊:
                  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
                   
                  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
                  (+,-)15%
                  4.37
                  (+,-)14%
                  S>5.16
                  (+,-)12.5%
                  (76.2,139.7]
                  +0.79/-0.79
                  S≤2.77
                  (+,-)16.5%
                   
                  2.77
                  (+,-)15%
                  4.37
                  (+,-)14%
                  S>5.16
                  (+,-)12.5%
                  (139.7,203.2]
                  +1.19/-1.19
                  4.37
                  (+,-)14%
                   
                  S>5.16
                  (+,-)12.5%


                   

                  婷婷色国产精品视频二区

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