Stainless steel pipes are widely used in various industries due to their excellent corrosion resistance properties. Among the different grades of stainless steel pipes available in the market, 304, 316, 321, 317L, 347, and 310S are some of the most popular choices. These grades offer different levels of corrosion resistance, making them suitable for different applications.
Stainless steel pipe grade 304 is one of the most commonly used grades for general corrosion resistance. It contains 18% chromium and 8% nickel, which gives it good resistance to a wide range of corrosive environments. Grade 304 stainless steel pipes are often used in food processing, chemical processing, and marine applications where corrosion resistance is essential.
Grade 316 stainless steel pipes are known for their superior corrosion resistance compared to grade 304. This is due to the addition of molybdenum, which enhances the alloy’s resistance to pitting and crevice corrosion. Grade 316 stainless steel pipes are commonly used in harsh environments such as marine and chemical processing industries.
Another popular grade for corrosion resistance is 321 stainless steel pipes. This grade contains titanium, which stabilizes the alloy against chromium carbide precipitation, making it suitable for high-temperature applications. Grade 321 stainless steel pipes are often used in heat exchangers, chemical processing, and aerospace industries.
Grade 317L stainless steel pipes offer even higher levels of corrosion resistance compared to grade 316. This grade contains higher levels of molybdenum and nickel, which make it suitable for highly corrosive environments such as chemical processing and pulp and paper industries.
Grade 347 stainless steel pipes are similar to grade 321 but with the addition of niobium, which improves the alloy’s resistance to intergranular corrosion. Grade 347 stainless steel pipes are often used in high-temperature applications such as heat exchangers and furnace components.
Lastly, grade 310S stainless steel pipes are known for their excellent high-temperature corrosion resistance. This grade contains high levels of chromium and nickel, which make it suitable for applications where exposure to high temperatures is a concern. Grade 310S stainless steel pipes are commonly used in furnace components, heat treatment equipment, and thermal processing industries.
In conclusion, stainless steel pipes are an excellent choice for applications where corrosion resistance is essential. Grades 304, 316, 321, 317L, 347, and 310S offer varying levels of corrosion resistance, making them suitable for a wide range of industries. Whether you need a general-purpose stainless steel pipe or one that can withstand high temperatures and harsh environments, there is a grade available to meet your specific requirements. When choosing a stainless steel pipe supplier, be sure to consider the grade that best suits your needs to ensure optimal performance and longevity of your equipment.
High Temperature Applications of Stainless Steel Seamless Pipe 304L, 316L, 321H, 347H, 310H
Stainless steel pipes are widely used in various industries due to their excellent corrosion resistance, high strength, and durability. Among the different grades of stainless steel available, 304, 304L, 316, 316L, 321, 321H, 317L, 347, 347H, 310S, 310, and 310H are some of the most commonly used for high-temperature applications. These grades offer superior performance in extreme conditions, making them ideal for use in industries such as petrochemical, chemical processing, power generation, and more.
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
Stainless steel pipe 304L is a low carbon version of 304 stainless steel, which makes it ideal for Welding applications. It offers excellent corrosion resistance and is suitable for use in high-temperature environments. The addition of molybdenum in 316 stainless steel enhances its corrosion resistance, making it suitable for use in aggressive environments. Stainless steel pipe 316L is a low carbon version of 316 stainless steel, which improves its weldability and corrosion resistance.
Stainless steel pipe 321H contains titanium, which stabilizes the structure of the steel at high temperatures. This grade offers excellent resistance to intergranular corrosion and is suitable for use in applications where high temperatures are present. Stainless steel pipe 347H contains niobium, which improves its high-temperature strength and corrosion resistance. This grade is commonly used in applications where exposure to high temperatures is a concern.
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Chemical Composition
C
Mn
P≤
S≤
Si≤
0.06-0.18
0.27-0.63
0.035
0.035
0.25
Stainless steel pipe 317L contains molybdenum, which enhances its corrosion resistance in acidic environments. This grade is commonly used in applications where exposure to corrosive chemicals is a concern. Stainless steel pipe 347H is a high carbon version of 347 stainless steel, which offers superior high-temperature strength and corrosion resistance. This grade is commonly used in applications where exposure to high temperatures and corrosive environments is a concern.
In conclusion, stainless steel pipes 304, 304L, 316, 316L, 321, 321H, 317L, 347, 347H, 310S, 310, and 310H are excellent choices for high-temperature applications due to their superior corrosion resistance, high strength, and durability. These grades offer a wide range of benefits, making them ideal for use in various industries where extreme conditions are present. When selecting a stainless steel pipe for high-temperature applications, it is essential to consider the specific requirements of the application to ensure optimal performance and longevity. Stainless steel seamless pipe suppliers offer a wide range of grades and sizes to meet the needs of different industries, making it easy to find the right stainless steel pipe for any high-temperature application.
In conclusion, stainless steel pipes 304, 304L, 316, 316L, 321, 321H, 317L, 347, 347H, 310S, 310, and 310H are excellent choices for high-temperature applications due to their superior corrosion resistance, high strength, and durability. These grades offer a wide range of benefits, making them ideal for use in various industries where extreme conditions are present. When selecting a stainless steel pipe for high-temperature applications, it is essential to consider the specific requirements of the application to ensure optimal performance and longevity. Stainless steel seamless pipe suppliers offer a wide range of grades and sizes to meet the needs of different industries, making it easy to find the right stainless steel pipe for any high-temperature application.
