Ibyuma bidafite umuyonga welded pipe umuyoboro wa Tolerance base kuri Standard:

Gutandukana

Mm (mm)

OD

Mm (mm)

WT

Kuringaniza (mm) L.

组 批

Umubare wa MOQ

GB13296

6-30

+ 0.15 / -0.2

1-3

+ 20%

-0%

 0-10

OD≤76

WT≤3mm

> 400pc

> 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 500pcs

30-50

± 0.3

Shingiro kuri Sakysteel

OD> 351 50pcs

> 50

± 0.8%

Ibindi 200pc

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

pc25.4

± 0.10

+ 20%

0%

OD <50.8

+ 3mm

OD≤25.4> 125pcs

25.4-38.1

± 0.15

OD> 50,

Umubyimba> 5.6,

Ugereranyije Ubunini ± 10%

OD≥50.8> 50pcs

38.1-50.8

± 0.2

OD> 50.8

+ 5mm

50.8-63.5

± 0.25

25.4-50.8> 75pc

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> 75pc

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 50pc

38.1-88.9

± 0.25

± 10%

0- + 5

25.4-50.8> 75pc

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> 200pc

203.2-457.2

+ 2.4 / -0.8

Ibindi> 100pcs