A

B

BR, X42R

PSL 1

PSL 2

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

LFW - Pipe e nang le maqhubu a tlaase, <70 kHz

HFW - Phaephe e cheselitsoeng khafetsa,> 70 kHz

SAWL - Submerge-arc welding longitudinal welded

SAWH - Submerge-arc welding helical welded

Kereiti ea tšepe

Karolo ea boima, % e itšetlehileng ka mocheso le lihlahisoa li hlahloba a,g

C

max b

Mn

max b

P

max

S

max

V

max

Nb

max

Ti

max

Pipe e se nang Seam

A

0.22

0.90

0.30

0.30

-

-

-

B

0.28

1.20

0.30

0.30

c,d

c,d

d

X42

0.28

1.30

0.30

0.30

d

d

d

X46

0.28

1.40

0.30

0.30

d

d

d

X52

0.28

1.40

0.30

0.30

d

d

d

X56

0.28

1.40

0.30

0.30

d

d

d

X60

0.28 e

1.40 e

0.30

0.30

f

f

f

X65

0.28 e

1.40 e

0.30

0.30

f

f

f

X70

0.28 e

1.40 e

0.30

0.30

f

f

f

Pipe e cheselitsoeng

A

0.22

0.90

0.30

0.30

-

-

-

B

0.26

1.2

0.30

0.30

c,d

c,d

d

X42

0.26

1.3

0.30

0.30

d

d

d

X46

0.26

1.4

0.30

0.30

d

d

d

X52

0.26

1.4

0.30

0.30

d

d

d

X56

0.26

1.4

0.30

0.30

d

d

d

X60

0.26 e

1.40 e

0.30

0.30

f

f

f

X65

0.26 e

1.45 e

0.30

0.30

f

f

f

X70

0.26e

1.65 e

0.30

0.30

f

f

f

1. Cu ≤ = 0,50% Ni;≤ 0,50%;Cr ≤ 0,50%;le Mo ≤ 0.15%
2. Bakeng sa phokotso ka 'ngoe ea 0.01% ka tlase ho max a boletsoeng.khabone, le keketseho ea 0.05% ho feta max a boletsoeng.concentration bakeng sa Mn e lumelletsoe, ho fihla ho max.ea 1.65% bakeng sa limaraka ≥ B, empa ≤ = X52;ho fihlela ho max.ea 1.75% bakeng sa limaraka > X52, empa
3. Ntle le ha ho dumellanwe ka tsela e nngwe NB + V ≤ 0.06%
4. Nb + V + TI ≤ 0.15%
5. Ntle le haeba ho lumellane ka tsela e 'ngoe.
6. Ntle le haeba ho lumellane ka tsela e 'ngoe, NB + V = Ti ≤ 0.15%
7. Ha ho tlatsetso e entsoeng ka boomo ea B e lumelletsoeng mme masala a B ≤ 0.001%

Kereiti ea tšepe

Karolo ea boima, % e ipapisitse le mocheso le tlhahlobo ea lihlahisoa

Carbon Equiv a

C

max b

Si

max

Mn

max b

P

max

S

max

V

max

Nb

max

Ti

max

Tse ding

CE IIW

max

CE PCM

max

Pipe e se nang Seam le e Welded

BR

0.24

0.40

1.20

0.025

0.015

c

c

0.04

e, l

.043

0.25

X42R

0.24

0.40

1.20

0.025

0.015

0.06

0.05

0.04

e, l

.043

0.25

BN

0.24

0.40

1.20

0.025

0.015

c

c

0.04

e, l

.043

0.25

X42N

0.24

0.40

1.20

0.025

0.015

0.06

0.05

0.04

e, l

.043

0.25

X46N

0.24

0.40

1.40

0.025

0.015

0.07

0.05

0.04

d,e,l

.043

0.25

X52N

0.24

0.45

1.40

0.025

0.015

0.10

0.05

0.04

d,e,l

.043

0.25

X56N

0.24

0.45

1.40

0.025

0.015

0.10f

0.05

0.04

d,e,l

.043

0.25

X60N

0.24f

0.45f

1.40f

0.025

0.015

0.10f

0.05f

0.04f

g,h,l

Joalo ka ha ho lumellanoe

BQ

0.18

0.45

1.40

0.025

0.015

0.05

0.05

0.04

e, l

.043

0.25

X42Q

0.18

0.45

1.40

0.025

0.015

0.05

0.05

0.04

e, l

.043

0.25

X46Q

0.18

0.45

1.40

0.025

0.015

0.05

0.05

0.04

e, l

.043

0.25

X52Q

0.18

0.45

1.50

0.025

0.015

0.05

0.05

0.04

e, l

.043

0.25

X56Q

0.18

0.45f

1.50

0.025

0.015

0.07

0.05

0.04

e, l

.043

0.25

X60Q

0.18f

0.45f

1.70f

0.025

0.015

g

g

g

h,l

.043

0.25

X65Q

0.18f

0.45f

1.70f

0.025

0.015

g

g

g

h,l

.043

0.25

X70Q

0.18f

0.45f

1.80f

0.025

0.015

g

g

g

h,l

.043

0.25

X80Q

0.18f

0.45f

1.90f

0.025

0.015

g

g

g

ke,j

Joalo ka ha ho lumellanoe

X90Q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j,k

Joalo ka ha ho lumellanoe

X100Q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j,k

Joalo ka ha ho lumellanoe

Pipe e cheselitsoeng

BM

0.22

0.45

1.20

0.025

0.015

0.05

0.05

0.04

e, l

.043

0.25

X42M

0.22

0.45

1.30

0.025

0.015

0.05

0.05

0.04

e, l

.043

0.25

X46M

0.22

0.45

1.30

0.025

0.015

0.05

0.05

0.04

e, l

.043

0.25

X52M

0.22

0.45

1.40

0.025

0.015

d

d

d

e, l

.043

0.25

X56M

0.22

0.45f

1.40

0.025

0.015

d

d

d

e, l

.043

0.25

X60M

0.12f

0.45f

1.60f

0.025

0.015

g

g

g

h,l

.043

0.25

X65M

0.12f

0.45f

1.60f

0.025

0.015

g

g

g

h,l

.043

0.25

X70M

0.12f

0.45f

1.70f

0.025

0.015

g

g

g

h,l

.043

0.25

X80M

0.12f

0.45f

1.85f

0.025

0.015

g

g

g

ke,j

.043f

0.25

X90M

0.10

0.55f

2.10f

0.020

0.010

g

g

g

ke,j

-

0.25

X100M

0.10

0.55f

2.10f

0.020

0.010

g

g

g

ke,j

-

0.25

1. SMLS t>0.787”, meeli ea CE e tla ba joalo ka ha ho lumellanoe.Meeli ea CEIIW e sebetsa ho C> 0.12% mme meeli ea CEPcm e sebetsa haeba C ≤ 0.12%
2. Bakeng sa phokotso ka 'ngoe ea 0.01% ka tlase ho max a boletsoeng.khabone, le keketseho ea 0.05% ho feta max a boletsoeng.concentration bakeng sa Mn e lumelletsoe, ho fihla ho max.ea 1.65% bakeng sa limaraka ≥ B, empa ≤ = X52;ho fihlela ho max.ea 1.75% bakeng sa limaraka > X52, empa
3. Ntle le haeba ho lumellane ka tsela e 'ngoe Nb = V ≤ 0.06%
4. Nb = V = Ti ≤ 0.15%
5. Ntle le haeba ho lumellane ka tsela e 'ngoe, Cu ≤ 0.50%;Ni ≤ 0.30% Cr ≤ 0.30% le Mo ≤ 0.15%
6. Ntle le haeba ho lumellane ka tsela e 'ngoe
7. Ntle le haeba ho lumellane ka tsela e 'ngoe, Nb + V + Ti ≤ 0.15%
8. Ntle le haeba ho lumellane ka tsela e 'ngoe, Cu ≤ 0.50% Ni ≤ 0.50% Cr ≤ 0.50% le MO ≤ 0.50%
9. Ntle le haeba ho lumellane ka tsela e 'ngoe, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.50% le MO ≤ 0.50%
10. B ≤ 0.004%
11. Ntle le haeba ho lumellane ka tsela e 'ngoe, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.55% le MO ≤ 0.80%
12. Bakeng sa limaraka tsohle tsa PSL 2 ntle le limaraka tse nang le mongolo o botlaaseng ba leqephe, tse latelang lia sebetsa.Ntle le haeba ho lumellanoe ka tsela e 'ngoe ha ho kenyelletso ea B ka boomo e lumelletsoeng le masala a B ≤ 0.001%.

Phaephe Kereiti

Thepa ea Tensile - Pipe Body ea SMLS le Welded Pipes PSL 1

Seam of Welded Pipe

Kotulo Matla a

R_t0,5PSI Min

Tensile Strength a

Rm PSI Min

Elongation

(ka metsotso e 2 ho Af %)

Tensile Strength b

Rm PSI Min

A

30,500

48,600

c

48,600

B

35,500

60,200

c

60,200

X42

42,100

60,200

c

60,200

X46

46,400

63,100

c

63,100

X52

52,200

66,700

c

66,700

X56

56,600

71,100

c

71,100

X60

60,200

75,400

c

75,400

X65

65,300

77,500

c

77,500

X70

70,300

82,700

c

82,700

b.Bakeng sa limaraka tse mahareng, matla a tlase a boletsoeng bakeng sa seam ea weld e tla tšoana le e lekantsoeng bakeng sa 'mele o sebelisang linoto tsa leoto a.

c.Bonyane bo bolelele bo boletsoeng, A_f, e hlahisoang ka liphesente le ho pota-potiloe ho liperesente tse haufinyane, e tla khethoa ho sebelisoa equation e latelang:

Moo C e leng 1 940 bakeng sa ho bala ho sebelisa li-unit tsa Si le 625 000 bakeng sa ho bala ho sebelisoa likarolo tsa USC

A_xcke eona e sebetsang sekhechana sa teko ea sekhahla se arohaneng, se hlahisitsoeng ka limilimithara tse lisekoere (lisekoere-inch), ka tsela e latelang

- Bakeng sa likotoana tsa liteko tse pota-potileng, 130mm² (0.20 in²) bakeng sa 12.7 mm (0.500 in) le 8.9 mm (.350 in) likotoana tsa teko ea bophara;le 65mm²(0.10 in²) bakeng sa likotoana tsa liteko tsa bophara ba 6.4 mm (0.250in).

- Bakeng sa likotoana tsa liteko tse felletseng, tse nyane ho a) 485 mm²(0.75 in²) le b) sebaka se arohaneng sa karolo ea teko, e nkiloeng ho sebelisoa bophara bo ka ntle bo boletsoeng le botenya ba lebota bo boletsoeng ba phala, e pota-potiloeng ho 10 mm e haufi.²(0.10in²)

- Bakeng sa likotoana tsa liteko tsa hlobolisa, e nyane ea a) 485 mm²(0.75 in²) le b) sebaka sa sefapano sa karolo ea teko, se nkiloeng ho sebelisoa bophara bo boletsoeng ba sekhechana sa teko le botenya ba lebota bo boletsoeng ba phala, bo pota-potiloeng ho 10 mm e haufi.²(0.10in²)

U ke matla a fokolang a tlase a boletsoeng, a hlahisoang ka megapascals (liponto ka lisenthimithara tse tharo)

Phaephe Kereiti

Thepa ea Tensile - Pipe Body ea SMLS le Welded Pipes PSL 2

Seam of Welded Pipe

Kotulo Matla a

R_t0,5PSI Min

Tensile Strength a

Rm PSI Min

Karolelano a,c

R_10,5IR_m

Elongation

(ka hare ho 2in)

Af %

Tensile Matla d

R_m(psi)

Bonyane

Boholo

Bonyane

Boholo

Boholo

Bonyane

Bonyane

35,500

65,300

60,200

95,000

0.93

f

60,200

42,100

71,800

60,200

95,000

0.93

f

60,200

46,400

76,100

63,100

95,000

0.93

f

63,100

52,200

76,900

66,700

110,200

0.93

f

66,700

56,600

79,000

71,100

110,200

0.93

f

71,100

60,200

81,900

75,400

110,200

0.93

f

75,400

65,300

87,000

77,600

110,200

0.93

f

76,600

70,300

92,100

82,700

110,200

0.93

f

82,700

80,500

102,300

90,600

119,700

0.93

f

90,600

b.bakeng sa limaraka> X90 sheba lintlha tse felletseng tsa API5L.

c.Moeli ona o sebetsa bakeng sa liphae tse nang le D> 12.750 in

d.Bakeng sa limaraka tse mahareng, matla a tlase a boletsoeng bakeng sa seam se cheselletsang e tla ba boleng bo lekanang le bo lekantsoeng bakeng sa 'mele oa phaephe o sebelisang leoto a.

e.bakeng sa phala e hlokang tlhahlobo ea longitudinal, matla a phahameng a tlhahiso e tla ba ≤ 71,800 psi

f.Bonyane bo bolelele bo boletsoeng, A_f, e hlahisoang ka liphesente le ho pota-potiloe ho liperesente tse haufinyane, e tla khethoa ho sebelisoa equation e latelang:

Moo C e leng 1 940 bakeng sa ho bala ho sebelisa li-unit tsa Si le 625 000 bakeng sa ho bala ho sebelisoa likarolo tsa USC

A_xcke eona e sebetsang sekhechana sa teko ea sekhahla se arohaneng, se hlahisitsoeng ka limilimithara tse lisekoere (lisekoere-inch), ka tsela e latelang

- Bakeng sa likotoana tsa liteko tse pota-potileng, 130mm² (0.20 in²) bakeng sa 12.7 mm (0.500 in) le 8.9 mm (.350 in) likotoana tsa teko ea bophara;le 65mm²(0.10 in²) bakeng sa likotoana tsa liteko tsa bophara ba 6.4 mm (0.250in).

- Bakeng sa likotoana tsa liteko tse felletseng, tse nyane ho a) 485 mm²(0.75 in²) le b) sebaka se arohaneng sa karolo ea teko, e nkiloeng ho sebelisoa bophara bo ka ntle bo boletsoeng le botenya ba lebota bo boletsoeng ba phala, e pota-potiloeng ho 10 mm e haufi.²(0.10in²)

- Bakeng sa likotoana tsa liteko tsa hlobolisa, e nyane ea a) 485 mm²(0.75 in²) le b) sebaka sa sefapano sa karolo ea teko, se nkiloeng ho sebelisoa bophara bo boletsoeng ba sekhechana sa teko le botenya ba lebota bo boletsoeng ba phala, bo pota-potiloeng ho 10 mm e haufi.²(0.10in²)

U ke matla a fokolang a tlase a boletsoeng, a hlahisoang ka megapascals (liponto ka lisenthimithara tse ling

g.Litefiso tse tlase tsa R_10,5IR_m e ka hlalosoa ka tumellano

h.bakeng sa limaraka> x90 sheba lintlha tse felletseng tsa API5L.

E Hlalositsoeng Ka Ntle Diameter D (in)

Mamello ea Diameter, lisenthimithara tse d

Mamello ea kantle ho Roundness ka

Pipe ntle le pheletso a

Qetello ea peipi a,b,c

Pipe ntle le Qetello a

Pipe End a,b,c

Pipe ea SMLS

Pipe e cheselitsoeng

Pipe ea SMLS

Pipe e cheselitsoeng

<2.375

-0,031 ho + 0,016

- 0,031 ho + 0.016

0.048

0.036

≥2.375 ho 6.625

+/- 0.0075D

0.020D bakeng sa

Ka tumellano bakeng sa

0.015D bakeng sa

Ka tumellano bakeng sa

> 6.625 ho isa ho 24.000

+/- 0.0075D

+/- 0.0075D, empa boholo ba 0.125

+/- 0.005D, empa boholo ba 0.063

0.020D

0.015D

Lilemo tse 24 ho isa ho tse 56

+/- 0.01D

+/- 0.005D empa boholo ba 0.160

+/- 0.079

+/- 0.063

0.015D bakeng sa empa boholo ba 0.060

Bakeng sa

Ka tumellano

bakeng sa

0.01D bakeng sa empa boholo ba 0.500

Bakeng sa

Ka tumellano

bakeng sa

1. Qetellong ea pipe e kenyelletsa bolelele ba 4 ho e 'ngoe le e' ngoe ea lipheletso tsa pipe
2. Bakeng sa phala ea SMLS, mamello e sebetsa bakeng sa t≤0.984in mme mamello ea phala e teteaneng e tla ba joalo ka ha ho lumellanoe.
3. Bakeng sa phala e atolositsoeng e nang le D≥8.625in le bakeng sa phala e sa atolositsoeng, mamello ea bophara le mamello ea kantle ho pota-pota e ka etsoa qeto ka ho sebelisa bophara ba ka hare bo baloang kapa bo lekantsoeng ka hare ho bophara ho e-na le OD e boletsoeng.
4. Bakeng sa ho etsa qeto ea ho lumellana le mamello ea bophara, bophara ba phala bo hlalosoa e le selikalikoe sa phala sefofaneng leha e le sefe se pota-potileng se arotsoeng ke Pi.

Botenya ba lebota

t lisenthimithara tse

Mamello a

litsoe

Pipe ea SMLS b

≤ 0.157

+ 0.024 / – 0.020

> 0.157 ho <0,948

+ 0.150t / – 0.125t

≥ 0.984

+ 0.146 kapa + 0.1t, ho sa tsotellehe hore na e moholo ke ofe

- 0.120 kapa - 0.1t, ho sa tsotellehe hore na ke efe e kholo

Peipi e cheselitsoeng c,d

≤ 0.197

+/- 0.020

+/- 0.1t

≥ 0.591

+/- 0.060

1. Haeba taelo ea theko e totobatsa ho mamella ha lerako ka botenya bo nyane ho feta boleng bo sebetsang bo fanoeng tafoleng ena, mamello e eketsehileng bakeng sa botenya ba lebota e tla eketsoa ka chelete e lekaneng ho boloka tekanyo e sebetsang ea mamello.
2. Bakeng sa phaephe e nang le D≥ 14.000 in le t≥0.984in, mamello ea botenya ba lebota sebakeng sa heno e ka feta ho mamellana le botenya ba lebota ka 0.05t e eketsehileng ha feela mamello e eketsehileng bakeng sa boima e sa fete.
3. Ho mamellana le ho mamellana ha marako ha ho sebetse sebakeng sa weld
4. Sheba lintlha tse felletseng tsa API5L bakeng sa lintlha tse felletseng