አይዝጌ ብረት እንከን የለሽ በተበየደው የቧንቧ ቱቦ የመቻቻል መሠረት በደረጃ፡

መዘርዘር

外径 (ሚሜ)

ኦ.ዲ

壁厚(ሚሜ)

ወ.ዘ.ተ

余量 ሚዛን(ሚሜ) ኤል

组批

MOQ ብዛት

GB13296

6-30

+0.15/-0.2

1-3

+20%

-0%

 0-10

ኦዲ≤76

WT≤3 ሚሜ

> 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

ኦዲ≤76

10-30

±0.2

>3

+10%

WT≤3 500pcs

30-50

±0.3

Sakysteel ላይ መሠረት

OD>351 50pcs

>50

± 0.8%

ሌሎች 200 pcs

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%

ኦዲ<50.8

+3 ሚሜ

OD≤25.4>125pcs

25.4-38.1

± 0.15

ኦዲ>50፣

ውፍረት>5.6,

አማካይ ውፍረት ± 10%

OD≥50.8>50pcs

38.1-50.8

±0.2

ኦዲ>50.8

+5 ሚሜ

50.8-63.5

± 0.25

25.4-50.8>75pcs

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>125pcs

12.7-38.1

± 0.13

± 10%

0-+3.2

OD≥50.8>50pcs

38.1-88.9

± 0.25

± 10%

0-+4.8

25.4-50.8>75pcs

88.9-139.7

± 0.38

± 10%

0-+4.8

ASTM A789

<12.7

± 0.13

± 15%

0-+3

OD≤25.4>125pcs

12.7-38.1

± 0.13

± 10%

0-+3

OD≥50.8 50pcs

38.1-88.9

± 0.25

± 10%

0-+5

25.4-50.8>75pcs

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

ሌላ>100pcs