ASTM Flanges - Hydrostatic Test Pressures
Flanged fittings and required hydrostatic test pressure.
Hydrostatic test pressure for flanged fittings in some common piping materials:
| ASTM Specification | Test Pressure (psig) | ||||||
|---|---|---|---|---|---|---|---|
| Class | |||||||
| 150 | 300 | 400 | 600 | 900 | 1500 | 2500 | |
| A105 A216-WCB A350-LF2 A515-70 A516-70 A537-C1.1 A675-70 A672-B70 A672-C70 A696 Grade C |
450 | 1125 | 1500 | 2225 | 3350 | 5575 | 9275 |
| A106-C A203-B A203-E A216-WCC A350-LC3 A352-LCC A352-LC2 A352-LC3 |
450 | 1125 | 1500 | 2250 | 3375 | 5625 | 9375 |
| A203-A A203-D A352-LCB A515-65 A516-65 A675-65 A672-B65 A672-C65 |
400 | 1050 | 1400 | 2100 | 3150 | 5225 | 8700 |
| A106-B A350-LF1 A515-60 A516-60 A672-B60 A672-C60 A675-60 A696 Grade B |
375 | 950 | 1250 | 1875 | 2775 | 4650 | 7725 |
| A182-F1 A204-A A204-B A217-WC1 A352-LC1 A691-CM70 |
400 | 1050 | 1400 | 2100 | 3150 | 5225 | 8700 |
| A182-F2 A204-C A217-WC4 A217-WC5 A691-CM75 |
450 | 1125 | 1500 | 2250 | 3375 | 5625 | 9375 |
| A182-F12 A182-F11 A217-WC6 A387-11C1.2 A739-B11 |
450 | 1125 | 1500 | 2250 | 3375 | 5625 | 9375 |
| A182-F304 A182-F304H A240-304 A240-304H A312-TP304 A312-TP304H A351-CF3 A351-CF8 A479-304 A479-304H |
425 | 1100 | 1450 | 2175 | 3250 | 5400 | 9000 |
- 1 psi (lb/in2) = 6,894.8 Pa (N/m2)
