Patent ID: 8658934
Filing Date: 2014-02-25
Classification: B23K

Abstract:
1. A method of applying a metallic alloy overlay, comprising: providing an iron based feedstock powder including 24.3 wt % to 39.6 wt % iron and manganese, 23.1 wt % to 49.4 wt % chromium, 6.8 wt % to 12.8 wt % boron, 1.9 wt % to 3.6 wt % carbon, 0.5 to 0.9 wt % silicon, optionally 7.5 wt % to 7.6 wt % molybdenum, optionally 14.2 wt % tungsten, and 5.0 wt % to 12.8 wt % niobium; providing an electrode including at least 50% by weight iron; depositing a weld overlay with said feedstock powder and said electrode to create a metallic alloy exhibiting grain sizes in the range of 1,000 μm or less.