መደበኛ

የቧንቧ አይነት

ክፍል

ደረጃ

C

Si

Mn

P

S

V

Nb

Ti

ከፍተኛ

ከፍተኛ

ከፍተኛ

ከፍተኛ

ከፍተኛ

ከፍተኛ

ከፍተኛ

ከፍተኛ

API SPEC 5L

ኤስኤምኤስ

PLS1

L245 B L290 X42 L320 X46 L360 X52 L390 X56 L415 X60 L450 X65 L485 X70 L245N BN

0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.24

0.4

1.20 1.30 1.40 1.40 1.40 1.40 1.40 1.40 1.20

0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.025

0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.015

———

———

0.04

PLS2

L290N X42N

0.24

0.4

1.2

0.025

0.015

0.06

0.05

0.04

L320N X46N

0.24

0.4

1.4

0.025

0.015

0.07

0.05

0.04

L360N X52N

0.24

0.45

1.4

0.025

0.015

0.1

0.05

0.04

L390N X56N

0.24

0.45

1.4

0.025

0.015

0.1

0.05

0.04

L415N X60N

0.24

0.45

1.4

0.025

0.015

0.1

0.05

0.04

WELD

PLS1

L245 ቢ

0.26

-

1.2

-

0.03

0.03

-

-

L290 X42

0.26

-

1.3

-

0.03

0.03

-

-

L320 X46

0.26

-

1.4

-

0.03

0.03

-

-

L360 X52

0.26

-

1.4

-

0.03

0.03

-

-

L390 X56

0.26

-

1.4

-

0.03

0.03

-

-

L415 X60

0.26

-

1.4

-

0.03

0.03

-

-

L450 X65

0.26

-

1.45

-

0.03

0.03

-

-

L485 X70

0.26

-

1.65

-

0.03

0.03

-

-

PLS2

L245M ቢኤም

0.22

0.45

1.2

0.025

0.015

0.05

0.05

0.04

L290M X42M

0.22

0.45

1.3

0.025

0.015

0.05

0.05

0.04

L320M X46M

0.22

0.45

1.3

0.025

0.015

0.05

0.05

0.04

L360M X52M

0.22

0.45

1.4

0.025

0.015

-

-

-

L390M X56M

0.22

0.45

1.4

0.025

0.015

-

-

-

L415M X60M

0.12

0.45

1.6

0.025

0.015

-

-

-

L450M X65M

0.12

0.45

1.6

0.025

0.015

-

-

-

L485M X70M

0.12

0.45

1.7

0.025

0.015

-

-

-

L555M X80M

0.12

0.45

1.85

0.025

0.015

-

-

-

መደበኛ

ክፍል

ደረጃ

የምርት ጥንካሬ ከ (MPa) ያላነሰ

የመሸከም ጥንካሬ (MPa)

ማራዘም(%)

YS/TS

API SPEC 5L ISO 3183

PLS1

L245B

ደቂቃ

245

415

b

-

L290X42

ደቂቃ

290

415

b

-

L320X46

ደቂቃ

320

435

b

-

L360X52

ደቂቃ

360

460

b

-

L390X56

ደቂቃ

390

490

b

-

L415X60

ደቂቃ

415

520

b

-

L450X60

ደቂቃ

450

535

b

-

L485X70

ደቂቃ

485

570

b

-

PLS2

L245N BN

ደቂቃ

245

415

b

-

L245M ቢኤም

ከፍተኛ

450

760

b

0.93

L290NX42N

ደቂቃ

290

415

b

-

L290MX42M

ከፍተኛ

495

760

b

0.93

L320NX46N

ደቂቃ

320

435

b

-

L320MX46M

ከፍተኛ

525

760

b

0.93

L360NX52N

ደቂቃ

360

460

b

-

L360MX52M

ከፍተኛ

530

760

b

0.93

L390NX56N

ደቂቃ

390

490

b

-

L390MX56M

ከፍተኛ

545

760

b

0.93

L415NX60N

ደቂቃ

415

520

b

-

L415MX60M

ከፍተኛ

565

760

b

0.93

L450MX65M

ደቂቃ

450

535

b

-

ከፍተኛ

600

760

b

0.93

L485MX70M

ደቂቃ

485

570

b

-

ከፍተኛ

635

760

b

0.93

L555MX80M

ደቂቃ

555

625

b

-

ከፍተኛ

705

825

b

0.93

መደበኛ

ደረጃ

የፓይፕ አካል ዝቅተኛ ተጽዕኖን ይቀይሩ

ዝቅተኛ የመበየድ (ጄ) ተገላቢጦሽ

(ጄ)

D=508

508 ሚሜ

762 ሚሜ

914 ሚሜ

1219 ሚሜ

D<1422 ሚሜ

D=1422ሚሜ

API SPEC 5L

= L415×60

27(20)

27(20)

40 (30)

40 (30)

40 (30)

27(20)

40 (30)

> L415×60

27(20)

27(20)

40 (30)

40 (30)

54(40)

27(20)

40 (30)

= L450×65

> L450×65

27(20)

27(20)

40 (30)

40 (30)

54(40)

27(20)

40 (30)

= L485×70

> L485×70

40 (30)

40 (30)

40 (30)

40 (30)

54(40)

27(20)

40 (30)

= L555×80