Description: AFM 4340 is used for welding heat treatable, high strength steels SAE 4130, 4330, 4340 and steel castings with similar hardening properties.
Typical Weld Metal Chemistry (%): |
(C) |
Carbon |
0.35 |
(Cr) |
Chromium |
0.80 |
(Mn) |
Manganese |
0.85 |
(Mo) |
Molybtenum |
0.25 |
(Ni) |
Nickel |
1.80 |
(P) |
Phosphorus |
0.011 |
(S) |
Sulfer |
0.014 |
(Si) |
Silicon |
0.50 |
Recommended Current Ranges (AC or DC+): |
| Dia |
3/32 |
1/8 |
5/32 |
3/16 |
| MM |
2.4 |
3.2 |
4.0 |
4.8 |
Flat |
60-90
|
110-150 |
150-190 |
200-240 |
| V & O |
50-80 |
100-140 |
120-170 |
N/A |
Standard Packaging: 10# hermetically sealed package; 30# master carton.
Preheating: Preheating for AFM 4130, AFM 4140 and AFM 4340 should be between 400-600¨¬F (204-316¨¬C), with the same temperature held at interpass, in order to prevent cracking.
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