Chemical Composition of SS Buttweld Fittings
| Grade | C | S | Cu | Fe | Mn | Si | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| 600 | 0.15 | 0.015 | 0.50 | 6.00 – 10.0 | 1.00 | 0.50 | 72.00 | 14.00 – 17.00 |
| Grade | C | S | Cu | Fe | Mn | Si | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Inconel 601 | 0.15 max | 0.015max | 1.0 max | balance | 1.00 max | 0.50 max | 58.0-63.0 | 21.0-25.0 |
| Grade | C | Mn | Si | S | Al | Fe | Mo | Nb + Ta | Ti | Cr2 | Ni |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 625 | 0.10 | 0.50 | 0.50 | 0.015 | 0.40 | 5.0 | 8.0-10.0 | 3.15–4.15 | 0.40 | 20.0-23.0 | 58.0 min |
| Grade | C | Mn | Si | Cr | B | Mo | Co | Al | Ti | Nb | Cu |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 17 – 21 | 0.006 max | 2.8 – 3.3 | 1.0 max | 0.2 – 0.8 | 0.65 – 1.15 | 4.75 – 5.5 | 0.3 max |
| Grade | C | Mn | Si | Fe | Ni | S | Cu | Cr | Ti | Al |
|---|---|---|---|---|---|---|---|---|---|---|
| 800 | 0.10 max | 1.50 max | 1.00 max | 39.50 min | 30.00 – 35.00 | 0.015 max | 0.75 max | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 39.50 min | 30.00 – 35.00 | 0.015 max | 0.75 max | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 39.50 min | 30.00 – 35.00 | 0.015 max | 0.75 max | 19.00 – 23.00 | 0.15 – 0.60ᴬ | 0.15 – 0.60ᴬ |
| Grade | C | S | Mn | Si | Cu | Cr | Fe | Ni | Al | Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| 825 | 0.05 max | 0.03 max | 1.00 max | 0.5 max | 1.50 – 3.00 | 19.50 – 23.50 | 22.00 min | 38.00 – 46.00 | 0.02 max | 0.06 – 1.20 |
| Grade | C | Mn | Si | Fe | Ni | Cr | S | Cu | Al | Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| 925 | 0.03 max | 1.00 max | 0.05 max | 22.00 min | 42.00 – 46.00 | 19.55 – 22.50 | 0.03 max | 1.50 – 3.00 | 0.01-0.05 max | – |
| Grade | C | Mn | Si | Cr | Cu | P | S | N | |
|---|---|---|---|---|---|---|---|---|---|
| 330 | min. | – | – | 0.75 | 17.0 | – | – | – | 34.0 |
| max. | 0.08 | 2.0 | 1.50 | 20.0 | – | 0.030 | – | 37.0 | |
Mechanical Properties of SS Butt weld Pipe Fittings
| Grade | Density | Yield Strength (0.2%Offset) | Melting Point | Tensile Strength | Elongation |
|---|---|---|---|---|---|
| 600 | 8.47 g/cm3 | Psi – 45,000 , MPa – 310 | 1413 °C (2580 °F) | Psi – 95,000 , MPa -655 | 40 % |
| Element | Density | Tensile Strength | Melting Point | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| Inconel 601 | 8.1 g/cm3 | Psi – 80,000 , MPa – 550 | 1411 °C (2571 °F) | Psi – 30,000 , MPa – 205 | 30 % |
| Grade | Density | Yield Strength (0.2%Offset) | Melting Point | Tensile Strength | Elongation |
|---|---|---|---|---|---|
| 625 | 8.4 g/cm3 | Psi – 75,000 , MPa – 517 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa -930 | 42.5 % |
| Element | Density | Tensile Strength | Melting Point | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| Inconel 718 | 8.2 g/cm3 | Psi – 1,35,000, MPa – 930 | 1350 °C (2460 °F) | Psi – 75,000, MPa – 482 | 45 % |
| Element | Density | Tensile Strength | Melting Point | Elongation | Yield Strength (0.2%Offset) |
|---|---|---|---|---|---|
| 800 / 800H / 800HT | 7.94 g/cm3 | Psi – 75,000 , MPa – 520 | 1385 °C (2525 °F) | 30 % | Psi – 30,000 , MPa – 205 |
| Element | Melting Point | Density | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
|---|---|---|---|---|---|
| 825 | 1400 °C (2550 °F) | 8.14 g/cm3 | Psi – 32,000 , MPa – 220 | Psi – 80,000 , MPa – 550 | 30 % |
| Element | Density | Tensile Strength | Melting Point | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| 925 | 8.14 g/cm3 | Psi – 80,000 , MPa – 550 | 1400 °C (2550 °F) | Psi – 32,000 , MPa – 220 | 30 % |
| Properties | Imperial | Metric |
|---|---|---|
| Tensile strength(annealed) | 87 ksi | 600 MPa |
| Elongation at Break | 45% | 45% |
| Yield strength(annealed) | 40.6 ksi | 280 MPa |