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Comparison between domestic and international size deviations

国内国际尺寸公差对照
Comparison between domestic and international size deviations

                        尺寸(SIZE

标准(SPECIFICATION)

外径尺寸
SIZE

外径允许偏差 
PERMISSIBLE VARIATION

外径尺寸 
SIZE

壁厚允许偏差 
PERMISSIBLE VARIATION

尺寸 
SIZE

允许偏差 
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

长度每增加3M或 
其零数在上面的正 
允许偏差加上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

与D<50:L≥7m
内容相同

[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:2011-03-31 阅读:2633次
 

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