Iron based alloy having low contents of aluminum silicon, magnesium, calcium, oxygen, sulphur, and nitrogen
AssigneesMitsui Engineering and Ship Building Co., Ltd., Metal Research Corporation
InventorsTohei Ototani, Toru Degawa, Kenichi Kusumoto, Makoto Ebata
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Abstract
An iron base alloy is disclosed which consists essentially of 0.005%-7.0% of aluminum, 0.005-7.0% of silicon, 0.0001%-0.005% of magnesium, 0.0001-0.005% of calcium, 0.001%-0.002% of oxygen, 0.0001-0.002% of sulphur, and 0.0005%-0.003% of nitrogen, less than 2% of carbon, minor amounts of phosphorous and manganese and the remainder iron.
Claims7
An iron base alloy consisting essentially of by weight 0.005%-7.0% of aluminum, 0.005-7.0% of silicon, 0.0001%-0.005% of magnesium, 0.0001-0.005% of calcium, 0.0001%-0.002% of oxygen, 0.0001-0.002% of sulphur, and 0.0005%-0.003% of nitrogen, less than 2% of carbon, and the remainder iron.
An iron base alloy consisting essentially of by weight 0.005%-7.0% of aluminum, 0.005-7.0% of silicon, 0.0001%-0.005% of magnesium, 0.0001-0.005% of calcium, 0.0001%-0.002% of oxygen, 0.0001-0.002% of sulphur, and 0.0005%-0.003% of nitrogen, less than 2% of carbon, and at least one element selected from the group consisting of nickel, chromium, cobalt, tungsten, molybdenum and titanium and the remainder iron.
Dependencies are inferred from the claim text.