High-Quality Alloy Steel Pipe with API 5L API 5ctspecification Carbon Steel Casting Pipe SSAW, ERW, LSAW, and Seamless, Diameter Ranging From 15mm 3000mm
The Importance of High-Quality Alloy steel Pipe in Various Industries
High-quality alloy steel pipe plays a crucial role in various industries, providing a reliable and durable solution for transporting fluids and gases. With the API 5L and API 5CT specifications, Carbon steel casting pipe is available in different forms such as SSAW, ERW, LSAW, and Seamless, with a diameter ranging from 15mm to 3000mm. This article will delve into the importance of high-quality alloy steel pipe in different industries, highlighting its benefits and applications.
One of the key reasons why high-quality alloy steel pipe is essential in various industries is its exceptional strength and durability. Alloy steel is known for its ability to withstand high pressure and temperature, making it suitable for applications that involve the transportation of corrosive fluids or gases. The API 5L and API 5ct specifications ensure that the alloy steel pipe meets the required standards, guaranteeing its reliability and performance.
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In the Oil and gas industry, high-quality alloy steel pipe is widely used for transporting crude oil, natural gas, and other petroleum products. The seamless pipes, in particular, are highly preferred due to their smooth interior surface, which minimizes friction and allows for efficient flow. Additionally, the alloy steel’s resistance to corrosion and high temperatures ensures the integrity of the pipeline, reducing the risk of leaks or failures.
OD (mm)
Wall Thickness (mm)
2
2.5
3
3.5
4
4.5
5
6
6.5-7
7.5-8
8.5-9
9.5-10
11
12
Φ25-Φ28
●
●
●
●
●
●
Φ32
●
●
●
●
●
●
Φ34-Φ36
●
●
●
●
●
●
Φ38
●
●
●
●
●
●
Φ40
●
●
●
●
●
Φ42
●
●
●
●
●
Φ45
●
●
●
●
●
●
Φ48-Φ60
●
●
●
●
●
●
●
Φ63.5
●
●
●
●
●
●
●
Φ68-Φ73
●
●
●
●
●
●
Φ76
●
●
●
●
●
●
●
●
●
●
Φ80
●
●
●
●
●
●
●
●
●
●
Φ83
●
●
●
●
●
●
●
●
●
●
Φ89
●
●
●
●
●
●
●
●
●
●
Φ95
●
●
●
●
●
●
●
●
●
●
Φ102
●
●
●
●
●
●
●
●
●
●
Φ108
●
●
●
●
●
●
●
●
●
●
Φ114
●
●
●
●
●
●
●
●
●
Φ121
●
●
●
●
●
●
●
●
●
Φ127
●
●
●
●
●
●
●
●
●
Φ133
●
●
●
●
●
●
●
●
●
Φ140
●
●
●
●
●
●
●
●
Φ146
●
●
●
●
●
●
●
●
Φ152
●
●
●
●
●
●
●
●
Φ159
●
●
●
●
●
●
●
●
Φ168
●
●
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●
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●
●
●
The construction industry also heavily relies on high-quality alloy steel pipe for various applications. From structural support in buildings to underground water and sewage systems, alloy steel pipes provide the necessary strength and durability
Labels a
Calculated Mass c
Nominal Linear Mass T& C b,c
Wall Thick- ness
em, Mass Gain or Loss Due to End Finishing d
Outside Diameter
Inside Diameter
Drift Diameter
Plain- end
kg
Round Thread
Buttress Thread
wpe
D
kg/m
t
D
mm
kg/m
Short
Long
RC
SCC
mm
mm
mm
1
2
3
4
5
6
7
8
9
10
11
12
13 3/8
48
339.72
71.43
8.38
322.96
318.99
68.48
15.04
—
— 17.91
—
13 3/8
54.5
339.72
81.1
9.65
320.42
316.45
78.55
13.88
—
16.44
—
13 3/8
61
339.72
90.78
10.92
317.88
313.91
88.55
12.74
—
14.97
—
13 3/8
68
339.72
101.19
12.19
315.34
311.37
98.46
11.61
—
14.97
—
13 3/8
68
339.72
101.19
12.19
315.34
311.37
98.46
11.67 f
—
14.33
—
13 3/8
72
339.72
107.15
13.06
313.6
311.15 e
105.21
10.98
—
13.98
—
13 3/8
72
339.72
107.15
13.06
313.6
311.15 e 309.63 309.63
105.21
10.91 f
—
14.33
—
13 3/8
72
339.72
107.15
13.06
313.6
105.21
10.98
—
13.98
—
13 3/8
72
339.72
107.15
13.06
313.6
105.21
10.91 e
—
—
16
65
406.4
96.73
9.53
387.4
382.57
96.73
18.59
—
— 20.13
—
16
75
406.4
111.61
11.13
384.1
379.37
108.49
16.66
—
18.11
—
16
84
406.4
125.01
12.57
381.3
376.48
122.09
14.92
—
—
—
16
109
406.4
162.21
16.66
373.1
368.3
160.13
—
—
—
18 5/8
87.5
473.08
130.21
11.05
450.98
446.22
125.91
33.6
—
39.25
—
20
94
508
139.89
11.13
485.7
480.97
136.38
20.5
27.11
24.78
—
20
94
508
139.89
11.13
485.7
480.97
136.38
20.61
27.26 g 24.27 17.84
24.78
—
20
106.5
508
158.49
12.7
482.6
477.82
155.13
18.22
22
—
20
133
508
197.93
16.13
475.7
470.97
195.66
13.03
16.02
—
NOTE See also Figures D.1, D.2, and D.3.
a Labels are for information and assistance in ordering.
b Nominal linear masses, threaded and coupled (Column 4) are shown for information only.
c The densities of martensitic chromium steels ( L80 Types 9Cr and 13Cr) are less than those of carbon steels; The masses shown are therefore not accurate for martensitic chromium steels; A mass correction factor of 0.989 shall be used.
d Mass gain or loss due to end finishing; See 8.5.
e Drift diameter for most common bit size; This drift diameter shall be specified in the purchase agreement and marked on the pipe; See 8.10 for drift requirements.
In the Oil and gas industry, high-quality alloy steel pipe is widely used for transporting crude oil, natural gas, and other petroleum products. The seamless pipes, in particular, are highly preferred due to their smooth interior surface, which minimizes friction and allows for efficient flow. Additionally, the alloy steel’s resistance to corrosion and high temperatures ensures the integrity of the pipeline, reducing the risk of leaks or failures.
