Chemical Composition of SS Buttweld Fittings
| Grade | Mn | Si | C | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| Alloy Steel F1 | 0.3-0.6 | 0.5 | 0.15 max | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| Grade | C | P | S | Cr | Mn | Si | Mo |
|---|---|---|---|---|---|---|---|
| Alloy Steel F5 | 0.15 max | 0.03 | 0.03 | 4-6 | 0.3-0.6 | 0.5 | 0.44-0.65 |
| Grade | C | Mn | S | Cr | Si | P | Mo |
|---|---|---|---|---|---|---|---|
| Alloy Steel F9 | 0.15 max | 0.3-0.6 | 0.03 | 8 – 10 | 0.5 – 1 | 0.03 | 0.9 – 1.1 |
| Grade | C | Mn | S | Cr | Si | P | Mo |
|---|---|---|---|---|---|---|---|
| Alloy Steel F11 | 0.15 max | 0.3-0.6 | 0.03 | 1 – 1.5 | 0.5 – 1 | 0.03 | 0.044 – 0.65 |
| Grade | C | Mn | Si | Cr | P | S | Mo |
|---|---|---|---|---|---|---|---|
| Alloy Steel F22 | 0.05 – 0.15 | 0.3 – 0.6 | 0.5 | 0.8 – 1.25 | 0.045 | 0.03 | 0.044 – 0.65 |
| Grade | C | Mn | Cr | Si | P | S | Mo |
|---|---|---|---|---|---|---|---|
| Alloy Steel F91 | 0.08 – 0.12 | 0.3 – 0.6 | 8.5 – 9.5 | 0.5 | 0.01 | 0.02 | 0.85 – 1.05 |
Mechanical Properties of SS Butt weld Pipe Fittings
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F1 | 485 | 275 | 20 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F5 | 485 | 275 | 20 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F9 | 585 | 380 | 20 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F11 | 415 | 205 | 20 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F22 | 415 | 205 | 20 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F91 | 585 | 415 | 20 |