The Importance of T91, P91, P22, A355, P9, P11, 4130, 42CrMo, 15CrMo Alloy Carbon steel Pipe
Alloy carbon steel pipes are an essential component in various industries, including construction, Oil and gas, and manufacturing. These pipes are known for their durability, strength, and resistance to corrosion, making them ideal for applications that require high-performance materials. Among the many types of alloy carbon steel pipes available in the market, T91, P91, P22, A355, P9, P11, 4130, 42CrMo, 15CrMo, St37, C45, Sch40, A106 Gr. B, and A53 Seamless steel pipes are some of the most commonly used.
API 5CT L80casingTubingRange Lengths
Range 1
Range 2
Range 3
CASING (PE/T and C/SF)
Total range Length, inclusive Permissible variation, max a
4.88 to 7.62 1.83
7.62 to 10.36
10.36 to 14.63 1.83
1.52
TUBING AND CASING USED AS TUBING
(PE/T and C/SF)
Total range length, inclusive Permissible variation, max a
6.10 to 7.32 b
8.53 to 9.75 c
11.58 to 12.80 d
0.61
0.61
0.61
INTEGRAL TUBING CONNECTIONS (including IJ/PE
and IJ/SF)
Total range length, inclusive Permissible variation, max a
6.10 to 7.92 e
8.53 to 10.36
11.58 to 13.72 0.61
0.61
0.61
PUP JOINTS
Lengths: 0.61; 0.91; 1.22; 1.83; 2.44; 3.05 and 3.66 e
Tolerance: ±0.076
a Length variation applies to rail car shipment to the point of use and does not apply to order items of less than 18,144 kg of pipe.
b By agreement between purchaser and manufacturer, the maximum length may be increased to 8.57 m.
c By agreement between purchaser and manufacturer, the maximum length may be increased to 10.76 m.
d By agreement between purchaser and manufacturer, the maximum length may be increased to 17.72 m.0.61 m pup joints may be furnished up to 0.91 m long by agreement between purchaser and manufacturer, and lengths other than those listed may be furnished by agreement between purchaser and manufacturer.
NPS
OD
WT
INCH
MM
SCH10
SCH20
SCH30
STD
SCH40
SCH60
XS
SCH80
SCH100
SCH120
SCH140
SCH160
1/2″
21.3
2.11
2.41
2.77
2.77
3.73
3.73
4.78
3/4″
26.7
2.11
2.41
2.87
2.87
3.91
3.91
5.56
1″
33.4
2.77
2.9
3.38
3.38
4.55
4.55
6.35
1.1/4″
42.2
2.77
2.97
3.56
3.56
4.85
4.85
6.35
1.1/2″
48.3
2.77
3.18
3.68
3.68
5.08
5.08
7.14
2″
60.3
2.77
3.18
3.91
3.91
5.54
5.54
8.74
2.1/2″
73
3.05
4.78
5.16
5.16
7.01
7.01
9.53
3″
88.9
3.05
4.78
5.49
5.49
7.62
7.62
11.13
3.1/2″
101.6
3.05
4.78
5.74
5.74
8.08
8.08
4″
114.3
3.05
4.78
6.02
6.02
8.56
8.56
11.13
13.49
5″
141.3
3.4
6.55
6.55
9.53
9.53
12.7
15.88
6″
168.3
3.4
7.11
7.11
10.97
10.97
14.27
18.26
8″
219.1
3.76
6.35
7.04
8.18
8.18
10.31
12.7
12.7
15.09
18.26
20.62
23.01
10″
273
4.19
6.35
7.8
9.27
9.27
12.7
12.7
15.09
18.26
21.44
25.4
28.58
12″
323.8
4.57
6.35
8.38
9.53
10.31
14.27
12.7
17.48
21.44
25.4
28.58
33.32
14″
355.6
6.35
7.92
9.53
9.53
11.13
15.09
12.7
19.05
23.83
27.79
31.75
35.71
16″
406.4
6.35
7.92
9.53
9.53
12.7
16.66
12.7
21.44
26.19
30.96
36.53
40.19
18″
457.2
6.35
7.92
11.13
9.53
14.27
19.05
12.7
23.83
39.36
34.93
39.67
45.24
20″
508
6.35
9.53
12.7
9.53
15.09
20.62
12.7
26.19
32.54
38.1
44.45
50.01
22″
558.8
6.35
9.53
12.7
9.53
22.23
12.7
28.58
34.93
41.28
47.63
53.98
24″
609.6
6.35
9.53
14.27
9.53
17.48
24.61
12.7
30.96
38.89
46.02
52.37
59.54
26″
660.4
7.92
12.7
9.53
12.7
28″
711.2
7.92
12.7
15.88
9.53
12.7
T91, P91, P22, A355, P9, P11, 4130, 42CrMo, 15CrMo alloy carbon steel pipes are known for their exceptional strength and resistance to high temperatures. These pipes are often used in power plants, where they are exposed to extreme heat and pressure. The T91 and P91 pipes, in particular, are widely used in the construction of boilers and heat exchangers due to their excellent creep strength and resistance to corrosion. Similarly, the P22 and A355 pipes are commonly used in power generation plants, as they can withstand high temperatures and pressures.
In addition to their high-temperature resistance, alloy carbon steel pipes also offer excellent Mechanical properties. The P9 and P11 pipes, for instance, have good Tensile strength and toughness, making them suitable for applications that require high load-bearing capacity
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