Duplex stainless steel seamless pipes, specifically UNS S32205 and UNS S32750, are becoming increasingly popular in various industries due to their unique properties and benefits. These pipes are made from a combination of austenitic and ferritic stainless steels, which gives them superior strength, Corrosion resistance, and durability compared to traditional Stainless steel pipes.
API 5CT L80casing TubingDimensions and Masses for Standard Casing and for Casing Threaded with
API Round Thread and Buttress Thread
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
4 1/2
9.5
114.3
14.38
5.21
103.88
100.7
14.02
3.64
—
— 4.53
— 1.12
4 1/2
10.5
114.3
15.73
5.69
102.92
99.74
15.24
3.33
— 3.61
4.32
0.91
4 1/2
11.6
114.3
17.38
6.35
101.6
98.42
16.91
3.18
3.35
4.07
0.6
4 1/2
13.5
114.3
19.87
7.37
99.56
96.38
19.44
—
3.53
3.64
0.24
4 1/2
15.1
114.3
22.69
8.56
97.18
94
22.32
—
5
11.5
127
17.19
5.59
115.82
112.64
16.74
4.32
— 4.85
— 5.38
— 1.24
5
13
127
19.69
6.43
114.14
110.96
19.12
4
4.51
4.99
0.61
5
15
127
22.69
7.52
111.96
108.78
22.16
3.71
4.52
4.4
0.22
5
18
127
27.19
9.19
108.62
105.44
26.7
—
3.45
3.76
–0.62
5
21.4
127
32.13
11.1
104.8
101.62
31.73
—
3.15
3.42
–0.96
5
23.2
127
34.76
12.14
102.72
99.54
34.39
—
2.99
3.23
–1.14
5
24.1
127
36.15
12.7
101.6
98.42
35.8
—
5 1/2
14
139.7
20.91
6.2
127.3
124.12
20.41
4.6
— 5.26
— 5.71
— 0.87
5 1/2
15.5
139.7
23.48
6.98
125.74
122.56
22.85
4.36
5.31
5.41
0.58
5 1/2
17
139.7
25.72
7.72
124.26
121.08
25.13
4.14
4.5
4.84
0.45
5 1/2
20
139.7
30.05
9.17
121.36
118.18
29.52
—
4.37
4.31
-0.52
5 1/2
23
139.7
34.05
10.54
118.62
115.44
33.57
—
—
—
—
5 1/2
26.8
139.7
40.15
12.7
114.3
111.12
39.78
—
—
—
—
5 1/2
29.7
139.7
44.47
14.27
111.16
107.98
44.14
—
—
—
—
5 1/2
32.6
139.7
48.74
15.88
107.94
104.76
48.49
—
—
—
—
5 1/2
35.3
139.7
52.8
17.45
104.8
101.62
52.61
—
—
—
—
5 1/2
38
139.7
56.82
19.05
101.6
98.42
56.68
—
—
—
—
5 1/2
40.5
139.7
60.64
20.62
98.46
95.28
60.55
—
—
—
—
5 1/2
43.1
139.7
64.41
22.22
95.26
92.08
64.38
—
6 5/8
20
168.28
29.76
7.32
153.64
150.46
29.06
5.58
6.23
6.35
0.89
6 5/8
24
168.28
35.72
8.94
150.4
147.22
35.13
4.42
5.48
5.52
0.68
6 5/8
28
168.28
41.67
10.59
147.1
143.92
41.18
—
4.73
4.71
–0.75
6 5/8
32
168.28
47.62
12.06
144.16
140.98
46.46
—
4.73
4
–1.46
One of the key benefits of using duplex stainless steel seamless pipes is their high corrosion resistance. These pipes are highly resistant to corrosion from a wide range of chemicals, making them ideal for use in harsh environments such as chemical processing plants, offshore Oil and gas platforms, and desalination plants. This corrosion resistance also makes duplex stainless steel pipes a cost-effective option, as they require less maintenance and replacement compared to other materials.
In addition to their corrosion resistance, duplex stainless steel seamless pipes also offer excellent strength and toughness. This makes them suitable for high-pressure and high-temperature applications, such as in the oil and gas industry, where the pipes need to withstand extreme conditions. The high strength of duplex stainless steel pipes also allows for thinner walls, reducing the overall Weight of the piping system and making installation easier and more cost-effective.
Another benefit of using duplex stainless steel seamless pipes is their excellent weldability. These pipes can be easily welded using common Welding techniques, which allows for easy fabrication and customization of piping systems. This flexibility in fabrication makes duplex stainless steel pipes a versatile option for a wide range of applications, from industrial piping systems to architectural structures.
Furthermore, duplex stainless steel seamless pipes have a high resistance to stress corrosion cracking, making them a reliable choice for critical applications where failure is not an option. This resistance to stress corrosion cracking is particularly important in industries such as nuclear power generation, where the integrity of the piping system is crucial for safety and reliability.
casing Pipe,casing well pipe, casing supreme pipe, casing vs carrier pipe, casing for ac pipe, casing steel pipe, casing pipe size, casing pvc pipe price, casing pipe, casing pipe suppliers in China, casing capping pipe, casing drill pipe,carrier pipe,casing pipe size,bushing Flange,bushing sleeve,bushing,bushing arm,bushing bearing,bushing Reducer,bushing tool,bushing pvc,bushing meaningIn terms of cost-effectiveness, duplex stainless steel seamless pipes offer long-term savings due to their durability and low maintenance requirements. These pipes have a long service life and require minimal upkeep, reducing the need for frequent repairs or replacements. This can result in significant cost savings over the lifetime of the piping system, making duplex stainless steel pipes a smart investment for businesses looking to minimize maintenance costs.
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
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Φ32
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Φ34-Φ36
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●
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Φ38
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Φ40
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Φ42
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Φ45
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Φ48-Φ60
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Φ63.5
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Φ68-Φ73
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Φ76
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Φ80
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Φ83
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Φ89
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Φ95
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Φ102
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Φ108
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Φ114
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Φ121
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Φ127
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Φ133
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Φ140
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Φ146
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Φ152
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Φ159
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●
●
●
●
●
Φ168
●
●
●
●
●
●
●
●
Overall, duplex stainless steel seamless pipes offer a range of benefits that make them an attractive choice for a variety of industries. From their high corrosion resistance and strength to their excellent weldability and cost-effectiveness, these pipes provide a reliable and durable solution for demanding applications. Whether used in chemical processing plants, offshore oil and gas platforms, or other high-pressure environments, duplex stainless steel seamless pipes are a versatile and dependable option for businesses looking for long-lasting and high-performance piping solutions.
Applications of Duplex Stainless Steel Seamless Pipes (UNS S32205, UNS S32750)
Duplex stainless steel seamless pipes, specifically UNS S32205 and UNS S32750, are widely used in various industries due to their exceptional properties. These pipes are known for their high strength, corrosion resistance, and excellent weldability, making them ideal for applications where reliability and durability are crucial.
One of the key applications of duplex stainless steel seamless pipes is in the oil and gas industry. These pipes are used in offshore drilling platforms, subsea pipelines, and refineries where they are exposed to harsh environments and corrosive fluids. The high corrosion resistance of duplex stainless steel ensures that these pipes can withstand the corrosive effects of seawater, oil, and gas, making them a reliable choice for such demanding applications.
In the chemical processing industry, duplex stainless steel seamless pipes are used in the production of chemicals, petrochemicals, and pharmaceuticals. These pipes are resistant to a wide range of chemicals, acids, and solvents, making them suitable for handling corrosive substances. The high strength of duplex stainless steel also allows these pipes to withstand high pressures and temperatures, making them an ideal choice for chemical processing plants.
Another important application of duplex stainless steel seamless pipes is in the pulp and paper industry. These pipes are used in the production of pulp, paper, and other wood-based products where they are exposed to corrosive chemicals and high temperatures. The corrosion resistance of duplex stainless steel ensures that these pipes can withstand the harsh conditions of the pulp and paper industry, making them a reliable choice for transporting corrosive liquids and gases.
In the marine industry, duplex stainless steel seamless pipes are used in shipbuilding, offshore structures, and marine equipment. These pipes are resistant to seawater, salt spray, and marine environments, making them ideal for marine applications. The high strength and corrosion resistance of duplex stainless steel ensure that these pipes can withstand the harsh conditions of the marine environment, making them a reliable choice for marine applications.
In the food and beverage industry, duplex stainless steel seamless pipes are used in the production of food, beverages, and pharmaceuticals. These pipes are resistant to corrosion, bacteria, and contamination, making them suitable for handling food-grade materials. The high strength and cleanliness of duplex stainless steel ensure that these pipes can meet the strict hygiene requirements of the food and beverage industry, making them a reliable choice for transporting food-grade liquids and gases.
In conclusion, duplex stainless steel seamless pipes, specifically UNS S32205 and UNS S32750, are versatile and reliable materials that find applications in a wide range of industries. Their high strength, corrosion resistance, and excellent weldability make them ideal for demanding applications where reliability and durability are essential. Whether in the oil and gas industry, chemical processing industry, pulp and paper industry, marine industry, or food and beverage industry, duplex stainless steel seamless pipes are a trusted choice for handling corrosive fluids and gases in challenging environments.
In the chemical processing industry, duplex stainless steel seamless pipes are used in the production of chemicals, petrochemicals, and pharmaceuticals. These pipes are resistant to a wide range of chemicals, acids, and solvents, making them suitable for handling corrosive substances. The high strength of duplex stainless steel also allows these pipes to withstand high pressures and temperatures, making them an ideal choice for chemical processing plants.
Another important application of duplex stainless steel seamless pipes is in the pulp and paper industry. These pipes are used in the production of pulp, paper, and other wood-based products where they are exposed to corrosive chemicals and high temperatures. The corrosion resistance of duplex stainless steel ensures that these pipes can withstand the harsh conditions of the pulp and paper industry, making them a reliable choice for transporting corrosive liquids and gases.
In the marine industry, duplex stainless steel seamless pipes are used in shipbuilding, offshore structures, and marine equipment. These pipes are resistant to seawater, salt spray, and marine environments, making them ideal for marine applications. The high strength and corrosion resistance of duplex stainless steel ensure that these pipes can withstand the harsh conditions of the marine environment, making them a reliable choice for marine applications.
