不銹鋼管尺寸公差表

    尺寸

    標準

                  外徑（mm）

           壁厚（%）

切割長度（mm）

          尺寸

         公差

尺寸(mm)

             公差

尺寸

公差

GB/T14975-02

10~30

+0.30/-0.30

S≤3

+14/-14

1.0~3.0

+15/0

30~50

+0.40/-0.40

S＞3

+12/-10

D＞50

+0.9%/-0.9%

GB/T14976-02

6~10

+0.20/-0.20

0.5~1.0

+0.15/-0.15mm

+15/0

10~30

+0.30/-0.30

1.0~3.0

+14/-14

30~50

+0.40/-0.40

＞3

+12/-10

D＞50

+0.9%/-0.9%

+12.5/-12.5

GB13296-91

≤140

+1.25%/-1.25%

≤10

+15/-15

＞140

+1%/-1%

＞10

ASTM213

D＜25.4

+0.10/-0.10

D＜38.1

+20/0

D＜50.8

+3.0/0

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

+22/0

D≥50.8

+5.0/0

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/-15

+3.2/0

12.7~38.1

+10/-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

+12.5/-12.5

+6.0/0

48.26~114.30

+0.80/-0.80

114.30~219.08

+1.60 /-0.80

219.08~457.20

+2.40/-0.80

ASTM A789

D≤12.7

+0.13/-0.13

+15/-15

+3.0/0

12.7~38.1

+10/-10

38.1~88.9

+0.25/-0.25

+5.0/0

88.9~139.7

+0.38/-0.38

139.7~203.2

+0.76/-0.76

ASTM A790

10.29~48.26

+0.40/-0.80

48.26~114.3

+0.80/-0.80

114.3~219.08

+1.60/-0.80

219.08~457.20

+2.40/-0.80

EN17455-02

10~30

+0.30/-0.30

S≤3

+14/-14

1.0~3.0

+15.0/0

30~50

+4.00/-4.00

S＞3

+12/-10

D＞50

+9%/-9%

EN17456-02

6~10

+0.20/-0.20

0.5~1.0

+0.15/-0.15

+15.0/0

10~30

+0.30/-0.30

1.0~3

+14/-14

30~50

+4.00/-4.00

S＞3

+12/-10

D＞50

+0.9%/-0.9%

EN10216-5