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 - Tsawg zaus welded yeeb nkab, <70 khz

HFW - High zaus Welded Yeeb Nkab,> 70 Khz

SAWL - Submerge-arc vuam longitudinal welded

Sawh - submer-arc vuas helt welded

Qib hlau

Pawg Feem Ntau Txheej Txheem,% raws li cov cua sov thiab cov khoom lag luam tshuaj xyuas A, G

C

Max B

Mn

Max B

P

tus zuag

S

tus zuag

V

tus zuag

Nb

tus zuag

Ti

tus zuag

Seamless Yeeb Nkab

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

X 65

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

Welded Yeeb Nkab

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

X 65

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; ≤ 0.00%; CL ≤ 0.00%; thiab mo ≤ 0.15%
2. Rau txhua qhov txo ntawm 0.01% hauv qab no tau teev tseg. kev xav rau cov carbon, thiab nce ntawm 0.05% saum toj no cov cai. kev xav rau MN raug tso cai, kom txog rau ib tug max. ntawm 1.65% rau qib ≥ b, tab sis ≤ = x52; mus txog max. ntawm 1.75% rau qib> X52, tab sis <x70; thiab txog qhov siab tshaj plaws ntawm 2.00% rau x70.
3. Yog tsis tau pom zoo nb + v ≤ 0.06%
4. Nb + v + ti ≤ 0.15%
5. Yog tsis pom zoo.
6. Yog tsis tau pom zoo, nb + v = ti ≤ 0.15%
7. Tsis txhob txhob txwm ntxiv ntawm B raug tso cai thiab cov seem b ≤ 0.001%

Qib hlau

Pawg feem ntau,% raws li kev ntsuas cov khoom kub thiab khoom lag luam

Cov pa roj carbon Equiv a

C

Max B

Si

tus zuag

Mn

Max B

P

tus zuag

S

tus zuag

V

tus zuag

Nb

tus zuag

Ti

tus zuag

Lwm

CE IIW

tus zuag

CE PCM

tus zuag

Seamless thiab welded yeeb nkab

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

Raws li tau pom zoo

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

X 65q

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

Kuv, j

Raws li tau pom zoo

X90q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j, k

Raws li tau pom zoo

X100q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j, k

Raws li tau pom zoo

Welded Yeeb Nkab

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

Kuv, j

.043f

0.25

X90m

0.10

0.55f

2.10f

0.020

0.010

g

g

g

Kuv, j

-

0.25

X100m

0.10

0.55f

2.10f

0.020

0.010

g

g

g

Kuv, j

-

0.25

1. Smls t> 0.787 ", CE txwv yuav tsum tau txais kev pom zoo. Tus CEIIW txwv tsis pub siv yog tias CPCM txwv yog siv yog tias C E≤ 0.12%
2. Rau txhua qhov txo ntawm 0.01% hauv qab no tau teev tseg. kev xav rau cov carbon, thiab nce ntawm 0.05% saum toj no cov cai. kev xav rau MN raug tso cai, kom txog rau ib tug max. ntawm 1.65% rau qib ≥ b, tab sis ≤ = x52; mus txog max. ntawm 1.75% rau qib> X52, tab sis <x70; thiab txog qhov siab tshaj plaws ntawm 2.00% rau x70.
3. Yog tsis tau pom zoo nb = v ≤ 0.06%
4. Nb = v = ti ≤ 0.15%
5. Tsis yog lwm tus pom zoo, cu ≤ 0.50%; Ni ≤ 0.30% cr ≤ 0.30% thiab mo 0.15%
6. Ntshe tsis pom zoo
7. Ntshe tsis tau pom zoo, NB + V + TI ≤ 0.15%
8. Yog tsis pom zoo, cu ≤ 0.50% ni ≤ 0.50% xaws ≤ 0.50% thiab mo 0.50%
9. Yog tsis pom zoo, cu ≤ 0.50% ni ≤ 1.00% Cred ≤ 0.50% thiab mo 0.50%
10. B ≤ 0.004%
11. Yog tsis tau pom zoo, cu ≤ 0.00% ni ≤ 1.00% thiab mo 0.80%
12. Rau txhua PSL 2 yeeb nkab cov qib tsuas yog cov qhab nia uas muaj cov ntawv xov xwm J tau sau tseg. Ntshe tsis pom zoo ntxiv ntawm B yog tso cai thiab tseem nyob hauv qab 0.001%.

Yeeb Nkab Qib

Lub zog tensile - yeeb nkab lub cev ntawm smls thiab welded kav pipes PSL 1

Leeg Ntawm Welded Yeeb Nkab

Paib zog a

R_T0,5Psi min

Tensile lub zog a

RM Psi Min

Elongation

(hauv 2in af% min)

Tensile lub zog 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

5200

66,700

c

66,700

X56

56,600

71,100

c

71,100

X60

60,200

75,400

c

75,400

X 65

65,300

77,500

c

77,500

X70

70,300

82,700

c

82,700

b. Rau cov qib theem nrab, lub zog tsawg tshaj plaws lub zog rau kev txiav txim siab Weld yuav txiav txim siab rau lub cev uas siv cov ntawv taw taw a.

c. Qhov kev teev tseg ntawm elongation tsawg kawg nkaus, a_f, qhia hauv feem pua ​​thiab sib npaug rau feem pua ​​ze tshaj plaws, yuav raug txiav txim siab siv cov kab sib luag hauv qab no:

Qhov twg C yog 1 940 rau kev xam siv cov chav thiab 625 000 rau kev xam siv USC units

A_xcyog qhov siv tau Tensile ntsuas daim hla ntu ntu ntu, qhia nyob rau hauv cov millimeters (square ntiv tes), raws li hauv qab no

- Rau cov xwm txheej ntoo khaub ncaws sib nrug sib npaug, 130 hli² (0.20 hauv²) Rau 12.7 hli (0.500 hauv) thiab 8.9 hli (.350 hauv) cov kab uas hla hla; thiab 65 hli²(0.10 nyob rau hauv²) Rau 6.4 hli (0.250in) cov taub no txoj kab uas hla.

- rau cov kev xeem ua ntu zus, tus neeg qis dua ntawm) 485 hli²(0.75 hauv²) Thiab b) thaj chaw hla ntawm qhov kev xeem, muab cov txheej txheem sab nraud ntawm cov yeeb nkab, sib npaug mus rau qhov ze ze 10 hli²(0.10in²)

- rau sawb daim ntawv xeem, qhov qis dua ntawm a) 485 hli²(0.75 hauv²) Thiab b) thaj chaw hla ntawm daim xeem, muab tau siv cov dav ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 hli²(0.10in²)

U yog qhov qhia tsawg kawg tensile lub zog, qhia nyob rau hauv megapascals (phaus ib square inch)

Yeeb Nkab Qib

Cov Khoom Siv Tensile - Yeeb Nkab Lub Cev ntawm SMLS thiab Welded Kav Phaj 2

Leeg Ntawm Welded Yeeb Nkab

Paib zog a

R_T0,5Psi min

Tensile lub zog a

RM Psi Min

Piv ib, c

R_10,5IR_m

Elongation

(hauv 2in)

AF%

Tensile lub zog d

R_m(psi)

Tsawg li tsawg tau

Ntau tshaj plaws

Tsawg li tsawg tau

Ntau tshaj plaws

Ntau tshaj plaws

Tsawg li tsawg tau

Tsawg li tsawg tau

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

5200

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. Txog qib> X90 xa mus rau tag nrho API5L cov lus qhia tshwj xeeb.

c. Qhov kev txwv no siv rau pies nrog d> 12.750 hauv

d. Rau cov qib nrab qib, ntsuas qhov tsawg kawg nkaus rau lub zog Weld yuav txiav txim siab tib tus nqi uas tau txiav txim siab rau cov yeeb nkab lub cev siv ko taw a.

e. Rau cov yeeb nkab yuav tsum tau sim ntev, qhov tshaj plaws paib muaj zog zog yuav tsum yog ≤ 71,800 psi

f. Qhov kev teev tseg ntawm elongation tsawg kawg nkaus, a_f, qhia hauv feem pua ​​thiab sib npaug rau feem pua ​​ze tshaj plaws, yuav raug txiav txim siab siv cov kab sib luag hauv qab no:

Qhov twg C yog 1 940 rau kev xam siv cov chav thiab 625 000 rau kev xam siv USC units

A_xcyog qhov siv tau Tensile ntsuas daim hla ntu ntu ntu, qhia nyob rau hauv cov millimeters (square ntiv tes), raws li hauv qab no

- Rau cov xwm txheej ntoo khaub ncaws sib nrug sib npaug, 130 hli² (0.20 hauv²) Rau 12.7 hli (0.500 hauv) thiab 8.9 hli (.350 hauv) cov kab uas hla hla; thiab 65 hli²(0.10 nyob rau hauv²) Rau 6.4 hli (0.250in) cov taub no txoj kab uas hla.

- rau cov kev xeem ua ntu zus, tus neeg qis dua ntawm) 485 hli²(0.75 hauv²) Thiab b) thaj chaw hla ntawm qhov kev xeem, muab cov txheej txheem sab nraud ntawm cov yeeb nkab, sib npaug mus rau qhov ze ze 10 hli²(0.10in²)

- rau sawb daim ntawv xeem, qhov qis dua ntawm a) 485 hli²(0.75 hauv²) Thiab b) thaj chaw hla ntawm daim xeem, muab tau siv cov dav ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 hli²(0.10in²)

U yog qhov kev cai tshwj xeeb lub zog, qhia tawm hauv megapualcals (phaus ib square nti

g. Qis qhov tseem ceeb fo r_10,5IR_m tej zaum yuav tau teev tseg Los ntawm kev pom zoo

h. Txog qib> X90 xa mus rau tag nrho API5L cov lus qhia tshwj xeeb.

Teev sab nraud ntawm txoj cai d (hauv)

Txoj kab uas hla thev naus laus zis, nti D

Tawm-ntawm-roundness kam rau hauv

Yeeb nkab tshwj tsis yog qhov kawg a

Yeeb nkab kawg A, B, C

Yeeb nkab tshwj tsis yog qhov kawg a

Yeeb nkab kawg A, B, C

SMLS Yeeb Nkab

Welded Yeeb Nkab

SMLS Yeeb Nkab

Welded Yeeb Nkab

<2.375

-0.031 rau + 0.016

- 0.031 rau + 0.016

0.048

0.036

≥2.375 rau 6.625

+/- 0.0075D

0.020d rau

Los ntawm kev pom zoo rau

0.015d rau

Los ntawm kev pom zoo rau

> 6.625 rau 24.000

+/- 0.0075D

+/- 0.0075D, tab sis Max ntawm 0.125

+/- 0.005d, tab sis Max ntawm 0.063

0.020d

0.015d

> 24 txog 56

+/- 0.01d

+/- 0.005d Tab sis Max ntawm 0.160

+/- 0.079

+/- 0.063

0.015d rau tab sis Max ntawm 0.060

Rau

Los ntawm kev pom zoo

rau

0.01d rau tab sis Max ntawm 0.500

Rau

Los ntawm kev pom zoo

rau

1. Cov yeeb nkab kawg suav nrog qhov ntev ntawm 4 hauv noj txhua cov yeeb nkab hloov
2. Rau smls yeeb nkab qhov kev pheej hmoo thov rau lub denj0.984in thiab kev ua siab ntev rau cov yeeb nkab tuab yuav raug pom zoo
3. Rau cov yeeb nkab nthuav dav nrog D≥8.625Im thiab rau cov yeeb nkab uas tsis tau txiav txim siab siv lub taub lossis ntsuas sab hauv txoj kab uas tsis tau tshaj od.
4. Rau kev txiav txim siab ua raws li lub taub kam rau ntawm lub raj ntawm cov yeeb nkab hauv txhua txoj hlab ntshav sib xyaw ua ke los ntawm PI.

Phab Ntsa Thickness

T inesES

Thev taus a

nti

Smls yeeb nkab b

≤ 0.157

+ 0.024 / - 0.020

> 0.157 rau <0.948

+ 0.150t / - 0.125t

≥ 0.984

+ 0.146 lossis + 0.1t, saib qhov twg yog qhov ntau dua

- 0.120 lossis - 0.1t, saib qhov twg yog qhov ntau dua

Welded yeeb nkab C, D

≤ 0.197

+/- 0.020

+/- 0.1t

≥ 0.591

+/- 0.060

1. Yog tias kev txiav txim yuav muaj kev tiv thaiv rau phab ntsa tuab me dua rau cov nqi tuab rau cov nqi ntawm cov vaj tawv ncauj
2. Rau cov yeeb nkab nrog D≥ 14.000 hauv thiab t thiab t 00.984in, phab ntsa thickness dolness los ntawm ib qho ntxiv 0.05t muab tias lub plus ua siab ntev rau cov huab hwm coj tsis dhau.
3. Lub ntxiv rau kev ua siab ntev rau cov phab ntsa tuab tsis siv rau hauv Weld cheeb tsam
4. Saib tag nrho API5L spec rau tag nrho cov ntsiab lus