16-05-2019 дата публикации
Номер: US20190143460A1
Принадлежит:
Provided is a repair-welding material for die having a composition containing, by mass %: 0.18%≤C≤0.35%, 0.01%≤Si≤0.20%, 1.30%≤Mn≤1.90%, 0.50%≤Cr≤1.50%, 1.50%≤Mo≤2.50%, 0.30%≤V≤1.00%, N≤0.020%, and O≤0.0050%, with a balance being Fe and inevitable impurities. 1. A repair-welding material for die , [{'br': None, '0.18%≤C≤0.35%,'}, {'br': None, '0.01%≤Si≤0.20%,'}, {'br': None, '1.30%≤Mn≤1.90%,'}, {'br': None, '0.50%≤Cr≤1.50%,'}, {'br': None, '1.50%≤Mo≤2.50%,'}, {'br': None, '0.30%≤V≤1.00%,'}, {'br': None, 'N≤0.020%, and'}, {'br': None, 'O≤0.0050%,'}], 'having a composition comprising, by mass %with a balance being Fe and inevitable impurities.2. The repair-welding material for die claim 1 , according to claim 1 , providing a welded portion having a thermal conductivity of 30 W/(m·K) or more at room temperature.3. The repair-welding material for die claim 1 , according to claim 1 , providing a welded portion having a hardness of 45 HRC or more and 60 HRC or less at room temperature.4. The repair-welding material for die claim 1 , according to claim 1 , wherein the composition comprises claim 1 , by mass %:{'br': None, 'Ni≤0.50%,'}{'br': None, 'Cu≤0.50%, and'}{'br': None, 'Co≤0.10%.'}5. The repair-welding material for die claim 1 , according to claim 1 , wherein the composition comprises claim 1 , by mass %:{'br': None, 'P≤0.030%, and'}{'br': None, 'S≤0.050%.'}6. The repair-welding material for die claim 1 , according to claim 1 , used for repair-welding of a die having a hardness of 52 HRC or less at room temperature.7. A die comprising a base material and a welded portion claim 1 ,wherein the base material has a hardness of 52 HRC or less at room temperature, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the welded portion is formed of the repair-welding material as described in .'}8. A repair-welding material for die claim 1 , [{'br': None, '0.18%≤C≤0.35%,'}, {'br': None, '0.01%≤Si≤0.20%,'}, {'br': None, '1.30%≤Mn≤1.90%,'}, {'br': None, '0.50%≤Cr≤1.50%,'}, {' ...
Подробнее