Chemical Composition of SS Buttweld Fittings
| AISI 4130 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 max | 0.28-0.33 | 0.15-0.25 | 0.40-0.60 | 0.15-0.35 | 97.3-98.22 | – | 0.025 MAX | 0.035 MAX | 0.80-1.10 |
Chemical Composition of SS Forged Fittings
| Grade | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
|---|---|---|---|---|---|---|---|---|---|---|
| AISI 4130 | 0.50 max | 0.28-0.33 | 0.15-0.25 | 0.40-0.60 | 0.15-0.35 | 97.3-98.22 | – | 0.025 MAX | 0.035 max | 0.80-1.10 |
Chemical Composition of SS Flanges
| Grade | C | Mn | Si | P | S | Fe | Mo | Ni | Cr |
| AISI 4130 | 0.28-0.33 | 0.40-0.60 | 0.15-0.35 | 0.035 max | 0.025 MAX | 97.3-98.22 | 0.15-0.25 | 0.50 max | 0.80-1.10 |
Mechanical Properties of SS Butt weld Pipe Fittings
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
|---|---|---|---|---|
| 0.28 | 2580 | 460 MPa | 560 MPa | 20 % |
Mechanical Properties of SS Forged Fittings
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.85 g/cm3 | 1432 ℃ | 560 | 460 | 21.50 % |
Mechanical Properties of SS Flanges
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.85 g/cm3 | 1432 ℃ | 560 | 460 | 21.50% |
Equivalent Grades of Flanges
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | EN |
| AISI 4130 | 1.7218 | G41300 | JIS G4105 | BS 970 | 25CrMo4 |
Equivalent Grades of Forged Fitting
| STANDARD | WERKSTOFF NR. | UNS | SIS | BS | EN |
|---|---|---|---|---|---|
| AISI 4130 | 1.7218 | G41300 | JIS G4105 | BS 970 | 25CrMo4 |
Equivalent Grades of Buttweld Fitting
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
|---|---|---|---|---|---|---|---|
| AISI 4130 | G41300 | 1.7218 | – | 25CrMo4 | JIS G4105 | BS 970 | – |