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Stainless steel seamless pipes have excellent pressure resistance and corrosion resistance due to no weld seam, and are pipes that perform stably even in high-temperature and high-pressure environments.
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| A Nominal Name | External Diameter | SCH 5S | SCH 10S | SCH 20S | SCH 40 | SCH 80 | SCH 120 | SCH 160 | |
|---|---|---|---|---|---|---|---|---|---|
| A | B | mm | |||||||
| 6 | 1/8 | 10.5 | 1.00 | 1,20 | 1.50 | 1.70 | 2.40 | ||
| 8 | 1/4 | 13.8 | 1.20 | 1.65 | 2.00 | 2.20 | 3.00 | ||
| 10 | 3/8 | 17.3 | 1.20 | 1.65 | 2.50 | 2.30 | 3.20 | ||
| 15 | 1/2 | 21.7 | 1.65 | 2.10 | 2.50 | 2.80 | 3.70 | 4.70 | |
| 20 | 3/4 | 27.2 | 1.65 | 2.10 | 2.50 | 2.90 | 3.90 | 5.50 | |
| 25 | 1 | 34.0 | 1.65 | 2.80 | 3.00 | 3.40 | 4.50 | 6.40 | |
| 32 | 1 1/4 |
42.7 | 1.65 | 2,80 | 3.00 | 3.60 | 4.90 | 6.40 | |
| 40 | 2 1/2 |
48.6 | 1.65 | 2,80 | 3.00 | 3.70 | 5.10 | 7.10 | |
| 50 | 2 | 60.51 | 1.65 | 2,80 | 3.50 | 3.90 | 5.50 | 8.70 | |
| 65 | 2 1/2 |
76.3 | 2.10 | 3.00 | 3.50 | 5.20 | 7.00 | 9.50 | |
| 80 | 3 | 89.1 | 2.10 | 3.00 | 4.00 | 5.50 | 7.60 | 11.10 | |
| 90 | 3 1/2 |
101.6 | 2.10 | 3.00 | 4.00 | 5.70 | 8.10 | 12.70 | |
| 100 | 4 | 114.3 | 2.10 | 3.00 | 4.00 | 6.00 | 8.60 | 11.10 | 13.50 |
| 125 | 5 | 139.8 | 2.80 | 3.40 | 5.00 | 6.60 | 9.50 | 12.70 | 15.90 |
| 150 | 6 | 165.2 | 2.80 | 4.00 | 5.00 | 7.10 | 11.00 | 14.30 | 18.20 |
| 200 | 8 | 216.3 | 2.80 | 4.00 | 6.50 | 8.20 | 12.70 | 18.20 | 23.00 |
| 250 | 10 | 267.4 | 3.40 | 4.00 | 6.50 | 9.30 | 15.10 | 21.40 | 28.60 |
| 300 | 12 | 318.5 | 4.00 | 4.50 | 6.50 | 10.30 | 17.40 | 25.40 | 33.30 |
