New Arrival China Piling Tube - API 5L 46th Edition Specification for Line Pipe Scope – Spiral

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New Arrival China Piling Tube - API 5L 46th Edition Specification for Line Pipe Scope – Spiral Detail:

Delivery Condition

PSL Delivery Condition Pipe grade
PSL1 As-rolled, normalized, normalizing formed

A

As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, normalized, normalized and tempered or if agreed Q&T SMLS only

B

As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, normalized, normalized and tempered X42, X46, X52, X56, X60, X65, X70
PSL 2 As-rolled

BR, X42R

Normalizing rolled, normalizing formed, normalized or normalized and tempered BN, X42N, X46N, X52N, X56N, X60N
Quenched and tempered BQ, X42Q, X46Q, X56Q, X60Q, X65Q, X70Q, X80Q, X90Q, X100Q
Thermomechanical rolled or thermomechanical formed BM, X42M, X46M, X56M, X60M, X65M, X70M, X80M
Thermomechanical rolled X90M, X100M, X120M
The suffice (R, N, Q or M) for PSL2 grades, belongs to the steel grade

Ordering Information

The purchase order shall include the quantity, PSL level, type or Grade, reference to API5L, outside diameter, wall thickness, length and any applicable annexes or additional requirements related to chemical composition, mechanical properties, heat treatment, additional testing, manufacturing process, surface coatings or end finish.

Typical Process of Manufacturing

Type of Pipe

PSL 1

PSL 2

Grade A Grade B X42 to X70 B to X80 X80 to X100
SMLS

ü

ü

ü

ü

ü

LFW

ü

ü

ü

HFW

ü

ü

ü

ü

LW

ü

SAWL

ü

ü

ü

ü

ü

SAWH

ü

ü

ü

ü

ü

SMLS – Seamless, without weld

LFW – Low frequency welded pipe, <70 kHz

HFW – High frequency welded pipe, >70 kHz

SAWL – Submerge-arc welding longitudinal welded

SAWH – Submerge-arc welding helical welded

Starting Material

Ingots, blooms, billets, coils or plates used for the manufacture of pipe shall be made by the following processes, basic oxygen, electric furnace or open hearth in combination with a ladle refining process. For PSL2, the steel shall be killed and melted according to a fine grain practice. Coil or plate used for PSL2 pipe shall not contain any repair welds.

Chemical Composition for PSL 1 pipe with t ≤ 0.984″

Steel Grade

Mass fraction, % based on heat and product analyses a,g

C

max b

Mn

max b

P

max

S

max

V

max

Nb

max

Ti

max

Seamless Pipe

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

Welded Pipe

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%; and Mo ≤ 0.15%
  2. For each reduction of 0.01% below the specified max. concentration for carbon, and increase of 0.05% above the specified max. concentration for Mn is permissible, up to a max. of 1.65% for grades ≥ B, but ≤ = X52; up to a max. of 1.75% for grades > X52, but < X70; and up to a maximum of 2.00% for X70.
  3. Unless otherwise agreed NB + V ≤ 0.06%
  4. Nb + V + TI ≤ 0.15%
  5. Unless otherwise agreed.
  6. Unless otherwise agreed, NB + V = Ti ≤ 0.15%
  7. No deliberate addition of B is permitted and the residual B ≤ 0.001%

Chemical Composition for PSL 2 pipe with t ≤ 0.984″

Steel Grade

Mass fraction, % based on heat and product analyses

Carbon Equiv a

C

max b

Si

max

Mn

max b

P

max

S

max

V

max

Nb

max

Ti

max

Other

CE IIW

max

CE Pcm

max

Seamless and Welded Pipe

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

As agreed

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

i,j

As agreed

X90Q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j,k

As agreed

X100Q

0.16f

0.45f

1.90

0.020

0.010

g

g

g

j,k

As agreed

Welded Pipe

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

i,j

.043f

0.25

X90M

0.10

0.55f

2.10f

0.020

0.010

g

g

g

i,j

-

0.25

X100M

0.10

0.55f

2.10f

0.020

0.010

g

g

g

i,j

-

0.25

  1. SMLS t>0.787”, CE limits shall be as agreed. The CEIIW limits applied fi C > 0.12% and the CEPcm limits apply if C ≤ 0.12%
  2. For each reduction of 0.01% below the specified max. concentration for carbon, and increase of 0.05% above the specified max. concentration for Mn is permissible, up to a max. of 1.65% for grades ≥ B, but ≤ = X52; up to a max. of 1.75% for grades > X52, but < X70; and up to a maximum of 2.00% for X70.
  3. Unless otherwise agreed Nb = V ≤ 0.06%
  4. Nb = V = Ti ≤ 0.15%
  5. Unless otherwise agreed, Cu ≤ 0.50%; Ni ≤ 0.30% Cr ≤ 0.30% and Mo ≤ 0.15%
  6. Unless otherwise agreed
  7. Unless otherwise agreed, Nb + V + Ti ≤ 0.15%
  8. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 0.50% Cr ≤ 0.50% and MO ≤ 0.50%
  9. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.50% and MO ≤ 0.50%
  10. B ≤ 0.004%
  11. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.55% and MO ≤ 0.80%
  12. For all PSL 2 pipe grades except those grades with footnotes j noted, the following applies. Unless otherwise agreed no intentional addition of B is permitted and residual B ≤ 0.001% .

Tensile and Yield – PSL1 and PSL2

Pipe Grade

Tensile Properties – Pipe Body of SMLS and Welded Pipes PSL 1

Seam of Welded Pipe

Yield Strength a

Rt0,5  PSI Min

Tensile Strength a

Rm  PSI Min

Elongation

(in 2in Af % min)

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

a. For intermediate grade, the difference between the specified minimum tensile strength and the specified minimum yield for the pipe body shall be as given for the next higher grade.

b. For the intermediate grades, the specified minimum tensile strength for the weld seam shall be the same as determined for the body using foot note a.

c. The specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be determined using the following equation:

Where C is 1 940 for calculation using Si units and 625 000 for calculation using USC units

Axc   is the applicable tensile test piece cross-sectional area, expressed in square millimeters (square inches) , as follows

- For circular cross-section test pieces, 130mm2 (0.20 in2) for 12.7 mm (0.500 in) and 8.9 mm (.350 in) diameter test pieces; and 65 mm2 (0.10 in2) for 6.4 mm (0.250in) diameter test pieces.

- For full-section test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified outside diameter and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2)

- For strip test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified width of the test piece and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2)

U   is the specified minimum tensile strength, expressed in megapascals (pounds per square inch)

Pipe Grade

Tensile Properties – Pipe Body of SMLS and Welded Pipes PSL 2

Seam of Welded Pipe

Yield Strength a

Rt0,5  PSI Min

Tensile Strength a

Rm  PSI Min

Ratio a,c

R10,5IRm

Elongation

(in 2in)

Af %

Tensile Strength d

Rm (psi)

Minimum

Maximum

Minimum

Maximum

Maximum

Minimum

Minimum

BR, BN,BQ,BM

35,500

65,300

60,200

95,000

0.93

f

60,200

X42,X42R,X2Q,X42M

42,100

71,800

60,200

95,000

0.93

f

60,200

X46N,X46Q,X46M

46,400

76,100

63,100

95,000

0.93

f

63,100

X52N,X52Q,X52M

52,200

76,900

66,700

110,200

0.93

f

66,700

X56N,X56Q,X56M

56,600

79,000

71,100

110,200

0.93

f

71,100

X60N,X60Q,S60M

60,200

81,900

75,400

110,200

0.93

f

75,400

X65Q,X65M

65,300

87,000

77,600

110,200

0.93

f

76,600

X70Q,X65M

70,300

92,100

82,700

110,200

0.93

f

82,700

X80Q,X80M

80,.500

102,300

90,600

119,700

0.93

f

90,600

a. For intermediate grade, refer to the full API5L specification.

b. for grades > X90 refer to the full API5L specification.

c. This limit applies for pies with D> 12.750 in

d. For intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determined for the pipe body using foot a.

e. for pipe requiring longitudinal testing, the maximum yield strength shall be ≤ 71,800 psi

f. The specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be determined using the following equation:

Where C is 1 940 for calculation using Si units and 625 000 for calculation using USC units

Axc   is the applicable tensile test piece cross-sectional area, expressed in square millimeters (square inches) , as follows

- For circular cross-section test pieces, 130mm2 (0.20 in2) for 12.7 mm (0.500 in) and 8.9 mm (.350 in) diameter test pieces; and 65 mm2 (0.10 in2) for 6.4 mm (0.250in) diameter test pieces.

- For full-section test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified outside diameter and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2)

- For strip test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified width of the test piece and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2)

U   is the specified minimum tensile strength, expressed in megapascals (pounds per square inch

g. Lower values fo R10,5IRm may be specified by agreement

h. for grades > x90 refer to the full API5L specification.

Hydrostatic Test

Pipe to withstand a hydrostatic test without leakage through the weld seam or the pipe body. Jointers need not be hydrostatic tested provide the pipe sections used were successfully tested.

Bend Test

No cracks shall occur in any portion of the test piece and not opening of the weld shall occur.

Flattening Test

Acceptance criteria for flattening test shall be
a)EW pipes D<12.750 in
-≥ X60 with T≥0.500in, there shall be no opening of the weld before the distance between the plates is less than 66% of the original outside diameter. For all grades and wall, 50%.
-For pipe with a D/t > 10, there shall be no opening of the weld before the distance between the plates is less than 30% of the original outside diameter.
b)For other sizes refer to the full API5L specification

CVN impact test for PSL2

Many PSL2 pipe sizes and grades require CVN. Seamless pipe is to be tested in the body. Welded pipe is to be tested in the Body, Pipe Weld and heat affected zone (HAZ). Refer to the full API5L specification for the chart of sizes and grades and required absorbed energy values.

Tolerances Outside Diameter, Out of roundness and wall thickness

Specified Outside Diameter D (in)

Diameter Tolerance, inches d

Out-of-Roundness Tolerance in

Pipe except the end a

Pipe end a,b,c

Pipe except the End a

Pipe End a,b,c

SMLS Pipe

Welded Pipe

SMLS Pipe

Welded Pipe

< 2.375

-0.031 to + 0.016

-  0.031 to + 0.016

0.048

0.036

≥2.375 to 6.625

+/- 0.0075D

-  0.016 to + 0.063

0.020D for

By agreement for

0.015D for

By agreement for

>6.625 to 24.000

+/- 0.0075D

+/- 0.0075D, but max of 0.125

+/- 0.005D, but max of 0.063

0.020D

0.015D

>24 to 56

+/- 0.01D

+/- 0.005D but max of 0.160

+/- 0.079

+/- 0.063

0.015D for but max of 0.060

For

By agreement

for

0.01D for but max of 0.500

For

By agreement

for

      >56                                                                            As agreed
  1. The pipe end includes a length of 4 in ate each of the pipe extremities
  2. For SMLS pipe the tolerance apply for t≤0.984in and the tolerances for the thicker pipe shall be as agreed
  3. For expanded pipe with D≥8.625in and for non-expanded pipe, the diameter tolerance and the out-of-roundness tolerance may be determined using the calculated inside diameter or measured inside diameter rather than the specified OD.
  4. For determining compliance to diameter tolerance, the pipe diameter is defined as the circumference of the pipe in any circumferential plane divide by Pi.

Wall thickness

t inches

Tolerances a

inches

SMLS pipe b

≤ 0.157

+ 0.024 / – 0.020

> 0.157 to < 0.948

+ 0.150t / – 0.125t

≥ 0.984

+ 0.146 or + 0.1t, whichever is the greater

    - 0.120 or – 0.1t, whichever is the greater

Welded pipe c,d

≤ 0.197

+/- 0.020

                            > 0.197 to < 0.591

+/- 0.1t

≥ 0.591

+/- 0.060

  1. If the purchase order specifies a minus tolerance for wall thickness smaller than the applicable value given in this table, the plus tolerance for wall thickness shall be increased by an amount sufficient to maintain the applicable tolerance range.
  2. For pipe with D≥ 14.000 in and t≥0.984in, the wall thickness tolerance locally may exceed the plus tolerance for wall thickness by an additional 0.05t provided that the plus tolerance for mass is not exceeded.
  3. The plus tolerance for wall thickens does not apply to the weld area
  4. See the full API5L spec for full details

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New Arrival China Piling Tube - API 5L 46th Edition Specification for Line Pipe Scope – Spiral detail pictures


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