HIGH-STRENGTH, HIGH-TOUGHNESS (IRON-CARBON-NICKEL-MOLYBDENUM) STEEL WELD METAL

摘要

An alloy is described which is suitable for use as a weld-filler material and which is characterized by having controlled strength and toughness. The composition includes about 4.5 percent nickel, 2 percent molybdenum, up to 0.35 percent carbon, low impurity and interstitial content, and the balance iron. The strength is controlled in accordance with the relationship: