Overview of Duplex stainless steel seamless Pipe
Duplex stainless steel seamless pipes are a type of steel pipe that is widely used in various industries for fluid transport, boiler heat exchangers, Oil cracking, and high-pressure boilers. These pipes are made from a specific type of stainless steel known as duplex stainless steel, which offers a unique combination of properties that make it highly suitable for these applications. Duplex stainless steel is a type of stainless steel that contains a high level of chromium and molybdenum, along with other alloying elements such as nickel and nitrogen. This combination of elements gives duplex stainless steel its unique properties, including High strength, excellent corrosion resistance, and good weldability. 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 meaningOne of the key advantages of duplex stainless steel seamless pipes is their high strength. These pipes have a higher Tensile strength compared to other types of stainless steel pipes, making them ideal for applications that require high-pressure resistance. This strength also allows duplex stainless steel seamless pipes to withstand extreme temperatures and harsh environments, making them suitable for use in boiler heat exchangers and oil cracking.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 | ● | ● | ● | ● | ● | ● | ● | ● |
Labels | Outside Diameter (d/mm) | T&C (kg/m) | Wall thickness (t/mm) | Type of end-finish | |||||||
1 | 2 | J55/ K55 | M65 | L80/ R95 | N80-1/Q | C90/T95 | P110 | Q125 | |||
4-1/2 | 9.50 | 114.30 | 14.14 | 5.21 | PS | PS | – | – | – | – | – |
10.50 | 114.30 | 15.63 | 5.69 | PSB | PSB | – | – | – | – | – | |
11.60 | 114.30 | 17.26 | 6.35 | PSLB | PLB | PLB | PLB | PLB | PLB | – | |
13.50 | 114.30 | 20.09 | 7.37 | – | PLB | PLB | PLB | PLB | PLB | – | |
15.10 | 114.30 | 22.47 | 8.56 | – | – | – | – | – | PLB | PLB | |
5 | 11.50 | 127.00 | 17.11 | 5.59 | PS | PS | – | – | – | – | – |
13.00 | 127.00 | 19.35 | 6.43 | PSLB | PSLB | – | – | – | – | – | |
15.00 | 127.00 | 22.32 | 7.52 | PSLB | PLB | SLB | PLB | PLB | PLB | ||
18.00 | 127.00 | 26.79 | 9.19 | – | PLB | SLB | PLB | PLB | PLB | PLB | |
21.40 | 127.00 | 31.85 | 11.10 | – | PLB | PLB | PLB | PLB | PLB | PLB | |
23.20 | 127.00 | 34.53 | 12.14 | – | – | PLB | PLB | PLB | PLB | PLB | |
24.10 | 127.00 | 35.87 | 12.70 | – | – | PLB | PLB | PLB | PLB | PLB | |
5-1/2 | 14.00 | 139.70 | 20.83 | 6.20 | PS | PS | – | – | – | – | – |
15.50 | 139.70 | 23.07 | 6.98 | PSLB | PSLB | – | – | – | – | – | |
17.00 | 139.70 | 25.30 | 7.72 | PSLB | PLB | PLB | PLB | PLB | PLB | – | |
20.00 | 139.70 | 29.76 | 9.17 | – | PLB | PLB | PLB | PLB | PLB | – | |
23.00 | 139.70 | 34.23 | 10.54 | – | PLB | PLB | PLB | PLB | PLB | PLB | |
26.80 | 139.70 | 39.88 | 12.70 | – | – | – | – | P | – | – | |
29.70 | 139.70 | 44.20 | 14.27 | – | – | – | – | P | – | – | |
32.60 | 139.70 | 48.52 | 15.88 | – | – | – | – | P | – | – | |
35.30 | 139.70 | 52.53 | 17.45 | – | – | – | – | P | – | – | |
38.00 | 139.70 | 56.55 | 19.05 | – | – | – | – | P | – | – | |
40.50 | 139.70 | 60.27 | 20.62 | – | – | – | – | P | – | – | |
43.10 | 139.70 | 64.14 | 22.22 | – | – | – | – | P | – | – | |
6-5/8 | 20.00 | 168.28 | 29.76 | 7.32 | PSLB | PSLB | – | – | – | – | – |
24.00 | 168.28 | 35.72 | 8.94 | PSLB | PLB | PLB | PLB | PLB | PLB | – | |
28.00 | 168.28 | 41.67 | 10.59 | – | PLB | PLB | PLB | PLB | PLB | – | |
32.00 | 168.28 | 47.62 | 12.06 | – | – | PLB | PLB | PLB | PLB | PLB | |
7 | 17.00 | 177.80 | 25.30 | 5.87 | – | – | – | – | – | – | – |
20.00 | 177.80 | 29.76 | 6.91 | PS | PS | – | – | – | – | – | |
23.00 | 177.80 | 34.23 | 8.05 | PSLB | PLB | PLB | PLB | PLB | – | – | |
26.00 | 177.80 | 38.69 | 9.19 | – | PLB | PLB | PLB | PLB | PLB | – | |
29.00 | 177.80 | 43.16 | 10.36 | – | PLB | PLB | PLB | PLB | PLB | – | |
32.00 | 177.80 | 47.62 | 11.51 | – | PLB | PLB | PLB | PLB | PLB | – | |
35.00 | 177.80 | 52.09 | 12.65 | – | – | PLB | PLB | PLB | PLB | PLB | |
38.00 | 177.80 | 56.55 | 13.72 | – | – | PLB | PLB | PLB | PLB | PLB | |
42.70 | 177.80 | 63.55 | 15.88 | – | – | – | – | P | – | – | |
46.40 | 177.80 | 69.05 | 17.45 | – | – | – | – | P | – | – | |
50.10 | 177.80 | 74.56 | 19.05 | – | – | – | – | P | – | – | |
53.60 | 177.80 | 79.77 | 20.62 | – | – | – | – | P | – | – | |
57.10 | 177.80 | 84.98 | 22.22 | – | – | – | – | P | – | – | |
7-5/8 | 24.00 | 193.68 | 35.72 | 7.62 | – | – | – | – | – | – | |
26.40 | 193.68 | 39.29 | 8.33 | PSLB | PSLB | PLB | PLB | PLB | – | – | |
29.70 | 193.68 | 44.20 | 9.52 | – | PLB | PLB | PLB | PLB | PLB | – | |
33.70 | 193.68 | 50.15 | 10.92 | – | PLB | PLB | PLB | PLB | PLB | – | |
39.00 | 193.68 | 58.04 | 12.70 | – | – | PLB | PLB | PLB | PLB | PLB | |
42.80 | 193.68 | 63.69 | 14.27 | – | – | PLB | PLB | PLB | PLB | PLB | |
45.30 | 193.68 | 67.42 | 15.11 | – | – | PLB | PLB | PLB | PLB | PLB | |
47.10 | 193.68 | 70.09 | 15.88 | – | – | PLB | PLB | PLB | PLB | PLB | |
51.20 | 193.68 | 76.20 | 17.45 | – | – | – | – | P | – | – | |
55.30 | 193.68 | 82.30 | 19.05 | – | – | – | – | P | – | – | |
7-3/4 | 46.10 | 196.85 | 68.61 | 15.11 | – | – | P | P | P | P | P |
8-5/8 | 24.00 | 219.08 | 35.72 | 6.71 | PS | PS | – | – | – | – | – |
28.00 | 219.08 | 41.67 | 7.72 | PS | – | – | – | – | – | ||
32.00 | 219.08 | 47.62 | 8.94 | PSLB | PSLB | – | – | – | – | – | |
36.00 | 219.08 | 53.58 | 10.16 | PSLB | PSLB | PLB | PLB | PLB | PLB | – | |
40.00 | 219.08 | 59.53 | 11.43 | – | PLB | PLB | PLB | PLB | PLB | – | |
44.00 | 219.08 | 65.48 | 12.70 | – | – | PLB | PLB | PLB | PLB | – | |
49.00 | 219.08 | 72.92 | 14.15 | – | – | PLB | PLB | PLB | PLB | PLB | |
9-5/8 | 32.30 | 244.48 | 48.07 | 7.92 | – | – | – | – | – | – | – |
36.00 | 244.48 | 53.58 | 8.94 | PSLB | PSLB | – | – | – | – | – | |
40.00 | 244.48 | 59.53 | 10.03 | PSLB | PSLB | PLB | PLB | PLB | – | – | |
43.50 | 244.48 | 64.74 | 11.05 | – | PLB | PLB | PLB | PLB | PLB | – | |
47.00 | 244.48 | 69.95 | 11.99 | – | PLB | PLB | PLB | PLB | PLB | PLB | |
53.50 | 244.48 | 79.62 | 13.84 | – | – | PLB | PLB | PLB | PLB | PLB | |
58.40 | 244.48 | 86.91 | 15.11 | – | – | PLB | PLB | PLB | PLB | PLB | |
59.40 | 244.48 | 88.40 | 15.47 | – | – | – | – | P | – | – | |
64.90 | 244.48 | 96.58 | 17.07 | – | – | – | – | P | – | – | |
70.30 | 244.48 | 104.62 | 18.64 | – | – | – | – | P | – | – | |
75.60 | 244.48 | 112.51 | 20.24 | – | – | – | – | P | – | – | |
10-3/4 | 32.75 | 273.05 | 48.74 | 7.09 | – | – | – | – | – | – | – |
40.50 | 273.05 | 60.27 | 8.89 | PSB | PSB | – | – | – | – | – | |
45.50 | 273.05 | 67.71 | 10.16 | PSB | PSB | – | – | – | – | – | |
51.00 | 273.05 | 75.90 | 11.43 | PSB | PSB | PSB | PSB | PSB | PSB | – | |
55.50 | 273.05 | 82.60 | 12.57 | – | PSB | PSB | PSB | PSB | PSB | – | |
60.70 | 273.05 | 90.33 | 13.84 | – | – | – | – | PSB | PSB | PSB | |
65.70 | 273.05 | 97.77 | 15.11 | – | – | – | – | PSB | PSB | PSB | |
73.20 | 273.05 | 108.94 | 17.07 | – | – | – | – | P | – | – | |
79.20 | 273.05 | 117.87 | 18.64 | – | – | – | – | P | – | – | |
85.30 | 273.05 | 126.94 | 20.24 | – | – | – | – | P | – | – | |
11-3/4 | 42.00 | 298.45 | 62.50 | 8.46 | – | – | – | – | – | – | – |
47.00 | 298.45 | 69.95 | 9.53 | PSB | PSB | – | – | – | – | – | |
54.00 | 298.45 | 80.36 | 11.05 | PSB | PSB | – | – | – | – | – | |
60.00 | 298.45 | 89.29 | 12.42 | PSB | PSB | PSB | PSB | PSB | PSB | PSB | |
65.00 | 298.45 | 96.73 | 13.56 | – | – | P | P | P | P | P | |
71.00 | 298.45 | 105.66 | 14.78 | – | – | P | P | P | P | P | |
13-3/8 | 48.00 | 339.72 | 71.43 | 8.38 | – | – | – | – | – | – | – |
54.50 | 339.72 | 81.11 | 9.65 | PSB | PSB | – | – | – | – | – | |
61.00 | 339.72 | 90.78 | 10.92 | PSB | PSB | – | – | – | – | – | |
68.00 | 339.72 | 101.20 | 12.19 | PSB | PSB | PSB | PSB | PSB | PSB | – | |
72.00 | 339.72 | 107.15 | 13.06 | – | – | PSB | PSB | PSB | PSB | PSB | |
16 | 65.00 | 406.40 | 96.73 | 9.53 | – | – | – | – | – | – | – |
75.00 | 406.40 | 111.62 | 11.13 | PSB | PSB | – | – | – | – | – | |
84.00 | 406.40 | 125.01 | 12.57 | PSB | PSB | – | – | – | – | – | |
109.00 | 406.40 | 162.21 | 16.66 | P | – | P | P | – | P | P | |
18-5/8 | 87.50 | 473.08 | 130.22 | 11.05 | PSB | PSB | – | – | – | – | – |
20 | 94.00 | 508.00 | 139.89 | 11.13 | PSLB | PSLB | – | – | – | – | – |
106.50 | 508.00 | 158.49 | 12.70 | PSLB | PSLB | – | – | – | – | – | |
133.00 | 508.00 | 197.93 | 16.13 | PSLB | – | – | – | – | – | – |