Видове

Приложение

Structure Purposes

General structure and mechanical

Liquid Services

Петролни, gas and other fluids conveying

ниско
and Medium Pressure

пара
and boiler manufacturing

Hydraulic Pillar Service

Hydraulic support

Auto Semi-shaft Casing

Auto sem-shaft casing

Тръбопроводи

Oil and gas conveying

Tubing and Casing

Oil and gas conveying

Drill Pipes

Сондажни Кладенци

Geological Drilling Pipe

Geological drilling

Petroleum Cracking Tubes

Furnace tubes, Топлообменници

Стандарт

Клас

химичен състав (%)

механични свойства

ASTM A53

C

Si

Милиона

P

S

Якост на опън(MPa)

Граница на провлачане(MPa)

А

≤0.25

-

≤0.95

≤0.05

≤0.06

≥330

≥205

Б

≤0.30

-

≤1.2

≤0.05

≤0.06

≥415

≥240

ASTM A106

А

≤0.30

≥0.10

0.29-1.06

≤0.035

≤0.035

≥415

≥240

Б

≤0.35

≥0.10

0.29-1.06

≤0.035

≤0.035

≥485

≥275

АСТМ детайл не a179

A179

0.06-0.18

-

0.27-0.63

≤0.035

≤0.035

≥325

≥180

АЅТМ като a192

A192

0.06-0.18

≤0.25

0.27-0.63

≤0.035

≤0.035

≥325

≥180

ПО API 5L ЗА PSL1

А

0.22

-

0.90

0.030

0.030

≥331

≥207

Б

0.28

-

1.20

0.030

0.030

≥414

≥241

X42

0.28

-

1.30

0.030

0.030

≥414

≥290

X46

0.28

-

1.40

0.030

0.030

≥434

≥317

X52

0.28

-

1.40

0.030

0.030

≥455

≥359

X56

0.28

-

1.40

0.030

0.030

≥490

≥386

X60

0.28

-

1.40

0.030

0.030

≥517

≥448

X65

0.28

-

1.40

0.030

0.030

≥531

≥448

X70

0.28

-

1.40

0.030

0.030

≥565

≥483

ПО API 5L СТАНДАРТИ PSL2

Б

0.24

-

1.20

0.025

0.015

≥414

≥241

X42

0.24

-

1.30

0.025

0.015

≥414

≥290

X46

0.24

-

1.40

0.025

0.015

≥434

≥317

X52

0.24

-

1.40

0.025

0.015

≥455

≥359

X56

0.24

-

1.40

0.025

0.015

≥490

≥386

X60

0.24

-

1.40

0.025

0.015

≥517

≥414

X65

0.24

-

1.40

0.025

0.015

≥531

≥448

X70

0.24

-

1.40

0.025

0.015

≥565

≥483

X80

0.24

-

1.40

0.025

0.015

≥621

≥552

Стандарт

Chemical components

Механична имота

C

Si

Милиона

P

S

Kr

Н

М

Cr

V

Якост на опън (MPa)

Граница на провлачане (MPa)

Удължение (%)

ASTM A53

≤0.30

/

≤1.2

≤0.05

≤0.06

≤0.04

≤0.40

≤0.15

≤0.04

≤0.08

≥415

≥240

≥29.5

ASTM A106

≤0.30

≤0.10

0.29-1.06

≤0.035

≤0.035

≤0.04

≤0.40

≤0.15

≤0.04

≤0.08

≥415

≥240

≥30

АСТМ детайл не a179

0.06-0.18

≤0.25

0.27-0.63

≤0.035

≤0.035

/

/

/

/

/

≥325

≥180

≥35

ASTM 192

0.06-0.18

≤0.25

0.27-0.63

≤0.035

≤0.035

/

/

/

/

/

≥325

≥180

≥35

Pipe types

Pipe Szie(мм)

допуски

Горячекатаная

OD

All

±1% (min ±0.50mm)

УО

All

+15%, -12.5%

Студено-Рисувани

OD

6～10

±0.20mm

10～30

±0.40mm

30~ 50

±0.45mm

>50

±1%

УО

≤1

±0.15mm

>1～3

+15% -10%

>3

+12.5% -10%

Простый Край

Wall Thickness less than 0.5 Инч, including SCH STD & SCH XS

Простый Край (Квадратни Изрежи)

Wall Thickness over 0.5 Инч, including SCH XXS

Beveled End

Wall Thickness less than 0.5 Инч, including SCH STD & SCH XS

Съединители

Outside Diameter equal or less than 2''

Thread Protection

Outside Diameter over 4 Инч