Pressure Ratings Solder Joints
Solder joints pressure ratings according ASME B16.18
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Pressure ratings solder joints according ASME B.16.18 are indicated in the diagram and table below:
50-50 Tin-Lead
Pressure rating 50-50 tin-lead are indicated in the table below:
| Temperature | Pipe Dimension (inches) | ||||||||
| 1/8" - 1" | 1 1/4" - 2" | 2 1/2" - 4" | 5" - 8" | ||||||
| (oF) | (oC) | Maximum pressure | |||||||
| (psi) | (bar) | (psi) | (bar) | (psi) | (bar) | (psi) | (bar) | ||
| 100 | 38 | 200 | 14 | 175 | 12 | 150 | 10 | 135 | 9 |
| 150 | 66 | 150 | 10 | 125 | 9 | 100 | 7 | 90 | 6 |
| 200 | 93 | 100 | 7 | 90 | 6 | 75 | 5 | 70 | 5 |
| 250 | 121 | 85 | 6 | 75 | 5 | 50 | 3 | 45 | 3 |
95-5 Tin-Antimony
Pressure rating 95-5 tin-antimony are indicated in the table below:
| Temperature | Pipe Dimension (inches) | ||||||||
| 1/8" - 1" | 1 1/4" - 2" | 2 1/2" - 4" | 5" - 8" | ||||||
| (oF) | (oC) | Maximum pressure | |||||||
| (psi) | (bar) | (psi) | (bar) | (psi) | (bar) | (psi) | (bar) | ||
| 100 | 38 | 500 | 35 | 400 | 28 | 300 | 21 | 270 | 19 |
| 150 | 66 | 400 | 28 | 350 | 24 | 275 | 19 | 250 | 17 |
| 200 | 93 | 300 | 21 | 250 | 17 | 200 | 14 | 180 | 12 |
| 250 | 121 | 200 | 14 | 175 | 12 | 150 | 10 | 135 | 9 |
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