Patent
Chromium free hardfacing welding consumable
| العنوان: | Chromium free hardfacing welding consumable |
|---|---|
| Patent Number: | 9,314,880 |
| تاريخ النشر: | April 19, 2016 |
| Appl. No: | 12/909738 |
| Application Filed: | October 21, 2010 |
| مستخلص: | 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. |
| Inventors: | Wallin, Jack Garry (Scottsville, KY, US); Menon, Ravi (Goodlettsville, TN, US) |
| Assignees: | Stoody Company (Bowling Green, KY, US) |
| Claim: | 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%. |
| Claim: | 2. The welding consumable according to claim 1 , wherein the Carbon is 1.0%. |
| Claim: | 3. The welding consumable according to claim 1 , wherein the Manganese is 2.0%. |
| Claim: | 4. The welding consumable according to claim 1 , wherein the Silicon is 0.8%. |
| Claim: | 5. The welding consumable according to claim 1 , wherein the Boron is 4.2%. |
| Claim: | 6. The welding consumable according to claim 1 , wherein the Nickel is 2.0%. |
| Claim: | 7. The welding consumable according to claim 1 , wherein the at least one of Titanium and Niobium comprises approximately 3.1%. |
| Claim: | 8. The welding consumable according to claim 1 , wherein the Titanium is 3.1%. |
| Claim: | 9. The welding consumable according to claim 1 , wherein the Niobium is 3.1%. |
| Claim: | 10. The welding consumable according to claim 1 , wherein the Tungsten is 1.0%. |
| Claim: | 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%. |
| Claim: | 12. The welding consumable according to claim 11 , wherein the Titanium is 3.1%. |
| Claim: | 13. The welding consumable according to claim 11 , wherein the Niobium is 3.1%. |
| Claim: | 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%. |
| Claim: | 15. The welding consumable according to claim 14 , wherein the at least one of Titanium and Niobium comprises approximately 3.1%. |
| Claim: | 16. The welding consumable according to claim 14 , wherein the Titanium is 3.1%. |
| Claim: | 17. The welding consumable according to claim 14 , wherein the Niobium is 3.1%. |
| Claim: | 18. The welding consumable according to claim 14 , wherein the Molybdenum is 1.0%. |
| Claim: | 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. |
| Patent References Cited: | 1910801 May 1933 Kluger 4008078 February 1977 Flugge et al. 4149063 April 1979 Bishel 4430122 February 1984 Pauga 5746843 May 1998 Miyata et al. 6702905 March 2004 Qiao et al. 7425229 September 2008 Frankel et al. 7696453 April 2010 Frankel et al. 7743967 June 2010 Frankel et al. 8557056 October 2013 Angles 2004/0206726 October 2004 Daemen et al. 2005/0189337 September 2005 Baune 2005/0271542 December 2005 Frankel et al. 2007/0029295 February 2007 Branagan et al. 2008/0128393 June 2008 Frankel et al. 2008/0173701 July 2008 Frankel et al. 2009/0258250 October 2009 Daemen et al. 2010/0101780 April 2010 Ballew et al. 2010/0189592 July 2010 Angles 165893 February 1934 1 152 370 May 1969 WO2008017341 February 2008 WO 2011/021751 February 2011 |
| Other References: | ARNCO 300XT Product Information. cited by applicant PCT International Search Report for International Application No. PCT/US2011/057187, date of mailing Jan. 17, 2012. cited by applicant |
| Assistant Examiner: | Calvetti, Frederick |
| Primary Examiner: | Angwin, David |
| Attorney, Agent or Firm: | Kacvinsky Daisak Bluni PLLC |
| رقم الانضمام: | edspgr.09314880 |
| قاعدة البيانات: | USPTO Patent Grants |
| الوصف غير متاح. |