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World class welding wire for critical applications
Typical Mechanical Properties
All Weld Metal RoomTemperature Tensile Properties
(Post Weld Heat Treated)
Base Metal & Welding Wire |
Yield Strength (psi) |
Ultimate Tensile Strength (psi) |
Elongation (%) |
||||
Actual |
Min Req’d |
Actual |
Requirements |
Actual |
Min Req’d |
||
Min |
Max |
||||||
| 4130 6457-V |
128,650 | 100,000 | 141,900 | 125,000 | 145,000 | 21.2 | 11.0 |
| 4140 6452-V |
139,400 | 120,000 | 151,000 | 150,000 | 170,000 | 20.0 | 8.0 |
| 4340 6456-V |
178,050 | 145,000 | 188,650 | 180,000 | 200,000 | 13.5 | 6.0 |
| 6130 6461-V |
168,000 | 145,000 | 181,800 | 180,000 | 200,000 | 14.0 | 6.0 |
| 17-22A(S) 6458-V |
174,300 | 145,300 | 188,400 | 180,000 | 200,000 | 18.0 | 6.0 |
Ductility (Elongation) is greatly improved by the MC process.
Strength levels are comparable to or greater than similar alloys produced by other processes.
All Weld Metal Charpy Impact Properties
Wire |
(ft – lbs at 0F) |
Actual |
Actual |
|
Required |
||||
| 4130 | 89.7 | 47.0 Min | 0.056 | 97 |
| 4140 | 58.3 | 28.0 Min | 0.032 | 100 |
| 4340 | 27.3 | 12.0 Min | 0.014 | 100 |
| 6130 | 16.0 | 15.0 Min | 0.007 | 10 |
| 17-22A(S) | 20.7 | 15.0 Min | 0.018 | 70 |
Toughness values are dramatically greater than the minimum requirements and exceed the levels which can be achieved by other wires. This is the result of the ultra-low impurities which can be achieved by the MC process.
