Bingeha toleransê ya lûleya boriyê ya bêserûber a polayê zengarnegir li ser Standard:

Spcification

外径(mm)

OD

壁厚 (mm)

WT

余量Balance(mm)L

组批

Hejmara MOQ

GB13296

6-30

+0,15/-0,2

1-3

+20%

-0%

 0-10

OD≤76

WT≤3mm

> 400 pcs

> 30-50

±0.3

>3

+22%

-0%

>50

±0,75%

GB / T14976

6-10

±0.15

1-3

+12,5%

-10%

0-10

OD≤76

10-30

±0.2

>3

+10%

WT≤3 500 pcs

30-50

±0.3

Bingeha li ser Sakysteel

OD> 351 50 pcs

>50

±0.8%

200 perçeyên din

ASTMA312 ASME SA312

3.175-38.1

+0,4/-0,8

+~+6

38.1-101.6

+0,8/-0,8

+20%

-12,5%

101.6-203.2

+1,0-0,8

203.2-457.2

+2,4/-0,8

ASTMA213 ASME SA213

pcs25.4

±0.10

+20%

0%

OD<50.8

+3mm

OD≤25.4 > 125 pcs

25.4-38.1

±0.15

OD>50,

Stûrahî> 5.6,

Stûrahiya Navîn ±10%

OD≥50.8 > 50 pcs

38.1-50.8

±0.2

OD>50.8

+5 mm

50,8-63,5

±0.25

25,4-50,8 > 75 pcs

63,5-76,2

±0.3

76.2-101.6

±0.38

ASTM A269

<12.7

±0.13

±15%

0-+3.2

OD≤25.4 > 125 pcs

12.7-38.1

±0.13

±10%

0-+3.2

OD≥50.8 > 50 pcs

38.1-88.9

±0.25

±10%

0-+4.8

25,4-50,8 > 75 pcs

88,9-139,7

±0.38

±10%

0-+4.8

ASTM A789

<12.7

±0.13

±15%

0-+3

OD≤25.4 > 125 pcs

12.7-38.1

±0.13

±10%

0-+3

OD≥50.8 50 pcs

38.1-88.9

±0.25

±10%

0-+5

25,4-50,8 > 75 pcs

88,9-139,7

±0.38

±10%

0-+5

139.7-203.2

±0.76

±10%

0-+5

ASTM A790

3.175-38.1

+0,4/-0,8

+20%

 -12,5%

+~+6

OD≤50.8mm >400pcs

38.1-101.6

+0,8/-0,8

101.6-203.2

+1,6/-0,8

50,8-127mm > 200pcs

203.2-457.2

+2,4/-0,8

Yên din > 100 pcs