Chromium free hardfacing welding consumable
Compositions for Chromium-free hardfacing welding consumables are provided that include between approximately 0.3% and approximately 1.5% Carbon, between approximately 0.2% and approximately 2.5% Manganese, between approximately 0.3% and approximately 1.3% Silicon, between approximately 1.3% and approximately 5.5% Boron, between approximately 1.0% and approximately 4.0% Nickel, between approximately 1.0% and approximately 6.0% of at least one of Titanium and Niobium, and between approximately 0.1% and approximately 2.0% Tungsten and/or Molybdenum. Additional welding consumable compositions and weld deposit compositions are also provided to provide hardfacing materials with little or no Chromium content.
1. A Chromium-free hardfacing welding consumable consisting of, by percent mass:
between 0.3% and 1.5% Carbon;
between 0.2% and 2.5% Manganese;
between 0.3% and 1.3% Silicon;
between 1.3% and 5.5% Boron;
between 1.0% and 4.0% Nickel;
between 1.0% and 6.0% of at least one of Titanium and Niobium;
between 0.1% and 2.0% Tungsten; and
the remainder being iron to total 100%.
2. The welding consumable according to claim 1 , wherein the Carbon is 1.0%.
3. The welding consumable according to claim 1 , wherein the Manganese is 2.0%.
4. The welding consumable according to claim 1 , wherein the Silicon is 0.8%.
5. The welding consumable according to claim 1 , wherein the Boron is 4.2%.
6. The welding consumable according to claim 1 , wherein the Nickel is 2.0%.
7. The welding consumable according to claim 1 , wherein the at least one of Titanium and Niobium comprises approximately 3.1%.
8. The welding consumable according to claim 1 , wherein the Titanium is 3.1%.
9. The welding consumable according to claim 1 , wherein the Niobium is 3.1%.
10. The welding consumable according to claim 1 , wherein the Tungsten is 1.0%.
11. A Chromium-free hardfacing welding consumable comprising consisting of, by percent mass:
1.0% Carbon;
2.0% Manganese;
0.8% Silicon;
4.2% Boron;
2.0% Nickel; and
3.1% of at least one of Titanium and Niobium
0.5% of at least one of Tungsten and Molybdenum; and
the remainder being iron to total 100%.
12. The welding consumable according to claim 11 , wherein the Titanium is 3.1%.
13. The welding consumable according to claim 11 , wherein the Niobium is 3.1%.
14. A Chromium-free hardfacing welding consumable consisting of, by percent mass:
between 0.3% and 1.5% Carbon;
between 0.2% and 2.5% Manganese;
between 0.3% and 1.3% Silicon;
between 1.3% and 5.5% Boron;
between 1.0% and 4.0% Nickel;
between 1.0% and 6.0% of at least one of Titanium and Niobium; and
between 0.1% and 2.0% Molybdenum; and
the remainder being iron to total 100%.
15. The welding consumable according to claim 14 , wherein the at least one of Titanium and Niobium comprises approximately 3.1%.
16. The welding consumable according to claim 14 , wherein the Titanium is 3.1%.
17. The welding consumable according to claim 14 , wherein the Niobium is 3.1%.
18. The welding consumable according to claim 14 , wherein the Molybdenum is 1.0%.
19. The welding consumable according to claim 1 , wherein the welding consumable comprises a welding electrode having a hardness (HRC) ranging from 65 to 69.