| Nominal Size (NPS) | Titanium Grade 2 | Titanium Grade 5 | ||||||
|---|---|---|---|---|---|---|---|---|
| O.D. (mm) | Thickness (mm) | Bolt Hole (mm) | No. of Bolts | O.D. (mm) | Thickness (mm) | Bolt Hole (mm) | No. of Bolts | |
| ½″ | 88.90 | 23.88 | 15.75 | 4 | 88.90 | 7.87 | 16.00 | 4 |
| ¾″ | 98.55 | 25.40 | 15.75 | 4 | 98.55 | 8.64 | 16.00 | 4 |
| 1″ | 107.95 | 23.88 | 15.75 | 4 | 107.95 | 9.65 | 16.00 | 4 |
| 1½″ | 127.00 | 25.40 | 19.05 | 4 | 127.00 | 11.18 | 19.05 | 4 |
| 2″ | 152.40 | 23.88 | 19.05 | 4 | 152.40 | 12.70 | 19.05 | 4 |
| 3″ | 190.50 | 25.40 | 19.05 | 4 | 190.50 | 14.22 | 19.05 | 4 |
| 4″ | 228.60 | 25.40 | 19.05 | 8 | 228.60 | 16.00 | 19.05 | 8 |
| 6″ | 279.40 | 26.92 | 22.23 | 8 | 279.40 | -- | -- | -- |
| 8″ | 342.90 | 30.23 | 22.23 | 8 | -- | -- | -- | -- |
| 10″ | 406.40 | 31.75 | 25.40 | 12 | -- | -- | -- | -- |
| Nominal Size (NPS) | Titanium Grade 2 Weight (kg) | Titanium Grade 5 Weight (kg) |
|---|---|---|
| ½″ | 0.80 | 0.80 |
| ¾″ | 1.00 | 1.20 |
| 1″ | 1.20 | 1.50 |
| 1½″ | 2.10 | 2.50 |
| 2″ | 3.00 | 3.50 |
| 3″ | 4.50 | 5.80 |
| 4″ | 6.50 | 8.20 |
| 6″ | 10.00 | 12.50 |
| 8″ | 15.00 | 18.50 |
| 10″ | -- | 28.00 |
| Element | Titanium Grade 2 (%) | Titanium Grade 5 (%) |
|---|---|---|
| Titanium (Ti) | 98.0–99.2 | 90.0 min |
| Vanadium (V) | -- | 3.5–4.5 |
| Oxygen (O) | 0.25 max | 0.20 max |
| Iron (Fe) | 0.30 max | 0.30 max |
| Carbon (C) | 0.10 max | 0.10 max |
| Nitrogen (N) | 0.03 max | -- |
| Hydrogen (H) | 0.015 max | 0.015 max |
| Physical Property | Titanium Grade 2 | Titanium Grade 5 |
|---|---|---|
| Density | 4.51 g/cm³ | 4.43 g/cm³ |
| Melting Point | 1660°C | 1660–1670°C |
| Thermal Conductivity | 16.4 W/m·K | 6.7 W/m·K |
| Specific Heat Capacity | 520 J/kg·K | 0.523 J/g·°C |
| Electrical Resistivity | 0.56 µΩ·m | 1.7 × 10−6 Ω·m |
| Modulus of Elasticity | 105 GPa | 113 GPa |
| Poisson's Ratio | 0.34 | 0.32 |
| Mechanical Property | Titanium Grade 2 | Titanium Grade 5 |
|---|---|---|
| Tensile Strength | 345 MPa min | 950 MPa |
| Yield Strength | 275 MPa min | 880 MPa |
| Elongation | 20% min | 14% min |
| Hardness | 200 HB max | 36 HRC |
| Reduction of Area | -- | 25% |
| Modulus of Elasticity | 105 GPa | 113 GPa |
| Poisson's Ratio | 0.34 | 0.32 |
| Specification | Titanium Grade 2 | Titanium Grade 5 |
|---|---|---|
| Material Grade | Titanium Grade 2 | Titanium Grade 5 / Ti-6Al-4V |
| ASTM | ASTM B381 | ASTM B381 |
| ASME | ASME SB381 | ASME SB381 |
| UNS | R50400 | R56400 |
| WNR | 3.7035 | 3.7164 |
| Material Type | Commercially Pure Titanium | Alpha-Beta Titanium Alloy |
Each flange follows a rigorous 8-step forging and quality-control process to ensure conformance with ASTM A182 and ASME standards.
Prime 304 stainless steel billet sourced and certified.
Heat to 1100°C – 1250°C for optimal forgeability.
Shape billet into flange geometry under controlled pressure.
Solution anneal at 1040°C – 1120°C, then quench.
CNC machining, drilling, and surface finishing.
Tensile, hardness, PMI, visual and impact tests performed.