100% Original Ss Welded Pipe - API 5L 46th Edition Specification for Line Pipe Scope – Spiral
100% Original Ss Welded Pipe - 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 |
|
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 |
||||||||||
|
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 | |||||
|
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 |
|
Product detail pictures:
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