Zanglamaydigan po'latdan yasalgan choksiz payvandlangan quvur trubkasi Standartga muvofiq bardoshlik bazasi:

Texnik xususiyatlar

dàn (mm)

OD

mài (mm)

WT

Balans(mm)L

mín

MOQ miqdori

GB13296

6-30

+0.15/-0.2

1-3

+20%

-0%

 0-10

OD≤76

WT≤3 mm

>400 dona

>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 dona

30-50

±0.3

Sakysteel asosida

OD> 351 50 dona

>50

±0,8%

Boshqa 200 dona

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

25.4 dona

±0.10

+20%

0%

OD<50.8

+3 mm

OD≤25.4 > 125 dona

25.4-38.1

±0.15

OD>50,

Qalinligi> 5.6,

O'rtacha qalinligi ±10%

OD≥50.8 > 50 dona

38.1-50.8

±0.2

OD>50.8

+5 mm

50.8-63.5

±0,25

25.4-50.8 > 75 dona

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 dona

12.7-38.1

±0.13

±10%

0-+3.2

OD≥50.8 > 50 dona

38.1-88.9

±0,25

±10%

0-+4.8

25.4-50.8 > 75 dona

88.9-139.7

±0.38

±10%

0-+4.8

ASTM A789

<12.7

±0.13

±15%

0-+3

OD≤25.4 > 125 dona

12.7-38.1

±0.13

±10%

0-+3

OD≥50.8 50 dona

38.1-88.9

±0,25

±10%

0-+5

25.4-50.8 > 75 dona

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

50.8-127 mm > 200 dona

203.2-457.2

+2.4/-0.8

Boshqa > 100 dona