| 摘要 |
FIELD: metallurgy of heat- resistant iron-nickel alloys, more particularly welding materials. SUBSTANCE: in order to increase hot deformability and resistance to crack formation during welding operations and to provide prolonged strength of weld joint, the claimed alloy comprises, wt.-%: 0.30-0.60 carbon; 1.00-2.00 silicon; 0.5-1.5 manganese; 0.005-0.012 phosphorus 0.008-0.012 sulfur; 25-27 chromium; 29-36 nickel; 0.1-2.0 molybdenum; 0.2-0.5 tungsten; 0.05-0.4 titanium; 0.0005-0.005 boron; 0.05-0.2 aluminium; 0.005-0.15 zirconium; 0.5-1.8 niobium; 0.015-0.15 magnesium; 0.01-0.05 nitrogen; 0.008-0.15 yttrium; 0.0005-0.001 lead; 0.002-0.005 tin; 0.0005-0.001 zinc; 0.0005-0.001 bismuth; 0.0002-0.005 arsenic; 0.0003-0.04 antimony and the iron balance when fulfilling the requirements of equation:. EFFECT: improved properties of the heat-resistant alloy. |
