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 - Paịpụ a na-agbanye n'obere ugboro, <70 kHz

HFW - Paịpụ a na-agbanye ugboro ugboro, >70 kHz

SAWL - Njikọta ogologo oge nke ịgbado ọkụ n'okpuru mmiri-arc

SAWH - Njikọ helical nke na-agbado n'okpuru mmiri-arc

Ọkwa ígwè

Nkebi oke, pasentị dabere na nyocha okpomọkụ na ngwaahịa a, g

C

kacha b

Mn

kacha b

P

kachasị

S

kachasị

V

kachasị

Nb

kachasị

Ti

kachasị

Pipe Enweghị Nsogbu

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 a na-agbakọta

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%; na Mo ≤ 0.15%
2. Maka mbelata ọ bụla nke 0.01% n'okpuru oke mkpokọta carbon akọwapụtara, na mmụba nke 0.05% karịa oke mkpokọta Mn akọwapụtara, ruo oke kachasị nke 1.65% maka ọkwa ≥ B, mana ≤ = X52; ruo oke kachasị nke 1.75% maka ọkwa > X52, mana < X70; ruo oke kachasị nke 2.00% maka X70.
3. Ọ gwụla ma ekwenyere ihe ọzọ NB + V ≤ 0.06%
4. Nb + V + TI ≤ 0.15%
5. Ọ gwụla ma ekwenyere ihe ọzọ.
6. Ọ gwụla ma ekwenyere ihe ọzọ, NB + V = Ti ≤ 0.15%
7. A naghị ekwe ka etinye B n'amamihe, a naghịkwa ekwe ka ihe fọdụrụ B ≤ 0.001% tinye ya.

Ọkwa ígwè

Nkebi oke, pasentị dabere na nyocha okpomọkụ na ngwaahịa

Ngwakọta Carbon

C

kacha b

Si

kachasị

Mn

kacha b

P

kachasị

S

kachasị

V

kachasị

Nb

kachasị

Ti

kachasị

Ndị ọzọ

CE IIW

kachasị

CE Pcm

kachasị

Pipe Enweghị Nsogbu na Njikọta

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

Dịka ekwekọrịtara

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

m,j

Dịka ekwekọrịtara

X90Q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j,k

Dịka ekwekọrịtara

X100Q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j,k

Dịka ekwekọrịtara

Pipe a na-agbakọta

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

m,j

.043f

0.25

X90M

0.10

0.55f

2.10f

0.020

0.010

g

g

g

m,j

-

0.25

X100M

0.10

0.55f

2.10f

0.020

0.010

g

g

g

m,j

-

0.25

1. SMLS t>0.787”, oke CE ga-adị ka ekwenyero. Oke CEIIW etinyere fi C > 0.12% yana oke CEPcm ga-adị ma ọ bụrụ na C ≤ 0.12%
2. Maka mbelata ọ bụla nke 0.01% n'okpuru oke mkpokọta carbon akọwapụtara, na mmụba nke 0.05% karịa oke mkpokọta Mn akọwapụtara, ruo oke kachasị nke 1.65% maka ọkwa ≥ B, mana ≤ = X52; ruo oke kachasị nke 1.75% maka ọkwa > X52, mana < X70; ruo oke kachasị nke 2.00% maka X70.
3. Ọ gwụla ma ekwenyere ihe ọzọ Nb = V ≤ 0.06%
4. Nb = V = Ti ≤ 0.15%
5. Ọ gwụla ma ekwetaghị, Cu ≤ 0.50%; Ni ≤ 0.30% Cr ≤ 0.30% na Mo ≤ 0.15%
6. Ọ gwụla ma ekwekọrịtara ihe ọzọ
7. Ọ gwụla ma ekwenyere ihe ọzọ, Nb + V + Ti ≤ 0.15%
8. Ọ gwụla ma ekwenyeghị n'ụzọ ọzọ, Cu ≤ 0.50% Ni ≤ 0.50% Cr ≤ 0.50% na MO ≤ 0.50%
9. Ọ gwụla ma ekwenyeghị n'ụzọ ọzọ, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.50% na MO ≤ 0.50%
10. B ≤ 0.004%
11. Ọ gwụla ma ekwenyeghị n'ụzọ ọzọ, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.55% na MO ≤ 0.80%
12. Maka akara paịpụ PSL 2 niile ewezuga akara ndị nwere ihe odide ala ala j kwuru, ihe ndị a na-emetụta. Ọ gwụla ma ekwenyere na ọ bụghị ihe ọzọ, a naghị ekwe ka etinye B n'uche na ihe fọdụrụ B ≤ 0.001%.

Ọkwa Pipe

Njirimara Nrụgide - Ahụ Paịpụ nke SMLS na Paịpụ Ejiri Agbado PSL 1

Njikọ nke Pipe Welded

Ike Mmepụta a

R_t0,5PSI Min

Ike nrụgide a

Rm PSI Min

Ogologo

(na 2in Af % nkeji)

Ike nrụgide 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. Maka ọkwa dị n'etiti, ike nrụgide kacha nta akọwapụtara maka njikọta njikọta ga-adị ka ekpebiri maka ahụ site na iji akara ụkwụ a.

c. Ogologo kacha nta akọwapụtara, A_f, A ga-eji usoro ndị a chọpụta pasentị nke egosiri na pasentị ahụ ma gbaa ya gburugburu ruo pasentị kacha nso:

Ebe C bụ 1 940 maka mgbakọ na mwepụ site na iji nkeji Si na 625 000 maka mgbakọ na mwepụ site na iji nkeji USC

A_xcọ bara uru mpaghara ule tensile, nke a na-egosi na milimita square (sentimita square), dịka ndị a si dị

- Maka iberibe ule okirikiri nke akụkụ obe, 130mm² (0.20 na²) maka ihe nnwale nke dayameta nke 12.7 mm (0.500 in) na 8.9 mm (.350 in) na 65 mm²(0.10 na²) maka iberibe nnwale nke dayameta nke 6.4 mm (0.250in).

- Maka ihe nnwale zuru oke, ihe pere mpe nke a) 485 mm²(0.75 na²) na b) mpaghara nkebi nke ihe nnwale ahụ, nke e si na dayameta mpụta akọwapụtara na ọkpụrụkpụ mgbidi nke paịpụ ahụ nweta, gbara gburugburu ruo 10 mm kacha nso²(0.10in)²)

- Maka iberibe ule mpempe akwụkwọ, ihe pere mpe nke a) 485 mm²(0.75 na²) na b) mpaghara nkebi nke ihe nnwale ahụ, nke e si na obosara akọwapụtara nke ihe nnwale ahụ na ọkpụrụkpụ mgbidi akọwapụtara nke paịpụ ahụ nweta, gbara gburugburu ruo 10 mm kacha nso²(0.10in)²)

U bụ ike nrụgide kacha nta akọwapụtara, nke a na-egosipụta na megapascals (paụnd kwa square inch)

Ọkwa Pipe

Njirimara nke nrụgide - Ahụ Paịpụ nke SMLS na Paịpụ ndị a gbanyere agbaze PSL 2

Njikọ nke Pipe Welded

Ike Mmepụta a

R_t0,5PSI Min

Ike nrụgide a

Rm PSI Min

Oke a, c

R_10,5IR_m

Ogologo

(n'ime inchi abụọ)

Af%

Ike nrụgide d

R_m(psi)

Nke kacha nta

Oke kachasị

Nke kacha nta

Oke kachasị

Oke kachasị

Nke kacha nta

Nke kacha nta

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. maka akara > X90, lee nkọwapụta API5L zuru oke.

c. Oke a metụtara achịcha nwere D> 12.750 in

d. Maka ọkwa dị n'etiti, ike nrụgide kacha nta akọwapụtara maka njikọta weld ga-abụ otu uru ahụ e kpebiri maka ahụ paịpụ site na iji ụkwụ a.

e. Maka paịpụ chọrọ nnwale ogologo oge, ike kachasị elu nke mmepụta ga-abụ ≤ 71,800 psi

f. Ogologo kacha nta akọwapụtara, A_f, A ga-eji usoro ndị a chọpụta pasentị nke egosiri na pasentị ahụ ma gbaa ya gburugburu ruo pasentị kacha nso:

Ebe C bụ 1 940 maka mgbakọ na mwepụ site na iji nkeji Si na 625 000 maka mgbakọ na mwepụ site na iji nkeji USC

A_xcọ bara uru mpaghara ule tensile, nke a na-egosi na milimita square (sentimita square), dịka ndị a si dị

- Maka iberibe ule okirikiri nke akụkụ obe, 130mm² (0.20 na²) maka ihe nnwale nke dayameta nke 12.7 mm (0.500 in) na 8.9 mm (.350 in) na 65 mm²(0.10 na²) maka iberibe nnwale nke dayameta nke 6.4 mm (0.250in).

- Maka ihe nnwale zuru oke, ihe pere mpe nke a) 485 mm²(0.75 na²) na b) mpaghara nkebi nke ihe nnwale ahụ, nke e si na dayameta mpụta akọwapụtara na ọkpụrụkpụ mgbidi nke paịpụ ahụ nweta, gbara gburugburu ruo 10 mm kacha nso²(0.10in)²)

- Maka iberibe ule mpempe akwụkwọ, ihe pere mpe nke a) 485 mm²(0.75 na²) na b) mpaghara nkebi nke ihe nnwale ahụ, nke e si na obosara akọwapụtara nke ihe nnwale ahụ na ọkpụrụkpụ mgbidi akọwapụtara nke paịpụ ahụ nweta, gbara gburugburu ruo 10 mm kacha nso²(0.10in)²)

U bụ ike nrụgide kacha nta akọwapụtara, nke egosiri na megapascals (paụnd kwa square inch)

g. Uru dị ala maka R_10,5IR_m enwere ike ịkọwapụta ya site na nkwekọrịta

h. maka akara > x90, lee nkọwapụta API5L zuru oke.

Dayameta Mpụta Akpọpụtara D (in)

Ntanetị Ịnagide, sentimita d

Nnwere Onwe Na-apụ n'Agbagharị

Paịpụ ewezuga njedebe a

Ọgwụgwụ paịpụ a, b, c

Paịpụ ewezuga Ọgwụgwụ a

Ọgwụgwụ Paịpụ a, b, c

Ọkpọkọ SMLS

Pipe a na-agbakọta

Ọkpọkọ SMLS

Pipe a na-agbakọta

< 2.375

-0.031 ruo + 0.016

- 0.031 ruo + 0.016

0.048

0.036

≥2.375 ruo 6.625

+/- 0.0075D

0.020D maka

Site na nkwekọrịta maka

0.015D maka

Site na nkwekọrịta maka

>6.625 ruo 24.000

+/- 0.0075D

+/- 0.0075D, mana kachasị nke 0.125

+/- 0.005D, mana kachasị nke 0.063

0.020D

0.015D

>24 ruo 56

+/- 0.01D

+/- 0.005D mana kachasị nke 0.160

+/- 0.079

+/- 0.063

0.015D maka mana kachasị nke 0.060

Maka

Site na nkwekọrịta

maka

0.01D maka mana kachasị nke 0.500

Maka

Site na nkwekọrịta

maka

1. Ngwụcha ọkpọkọ ahụ gụnyere ogologo nke 4 na nke ọ bụla n'ime nsọtụ ọkpọkọ ahụ
2. Maka paịpụ SMLS, a ga-etinye nleba anya maka t≤0.984in, a ga-ejikwa nleba anya maka paịpụ ndị buru ibu dịka e kwekọrịtara.
3. Maka paịpụ gbasaara nke nwere D≥8.625in na maka paịpụ na-agbasaghị, enwere ike ikpebi nnabata dayameta na nnabata nke na-apụ n'anya site na iji dayameta dị n'ime agbakọrọ ma ọ bụ dayameta dị n'ime a tụrụ kama OD akọwapụtara.
4. Iji chọpụta nnabata nke dayameta, a na-akọwa dayameta paịpụ dị ka gburugburu nke paịpụ ahụ na nkewa okirikiri ọ bụla site na Pi.

Ọkpụrụkpụ mgbidi

T inch

Ntachi obi a

sentimita asatọ

ọkpọkọ SMLS b

≤ 0.157

+ 0.024 / – 0.020

> 0.157 ruo < 0.948

+ 0.150t / – 0.125t

≥ 0.984

+ 0.146 ma ọ bụ + 0.1t, nke ọ bụla ka ukwuu

- 0.120 ma ọ bụ – 0.1t, nke ọ bụla dị ukwuu

Paịpụ a gbanyere agbatị c, d

≤ 0.197

+/- 0.020

+/- 0.1t

≥ 0.591

+/- 0.060

1. Ọ bụrụ na iwu ịzụrụ ihe na-akọwapụta mbelata nha maka ọkpụrụkpụ mgbidi pere mpe karịa uru dị na tebụl a, a ga-amụba nha nha nhata maka ọkpụrụkpụ mgbidi site na ego zuru oke iji nọgide na-enwe oke nha nhata.
2. Maka paịpụ nwere D≥ 14,000 na t≥0.984in, nha nha mgbidi nwere ike gafere nha nha nha mgbidi site na 0.05t ọzọ ma ọ bụrụhaala na nha nha ahụ agafeghị.
3. Nnwere onwe maka oke ọkpụrụkpụ mgbidi anaghị emetụta mpaghara weld
4. Lee nkọwa API5L zuru ezu maka nkọwa zuru ezu