vascomax是商标。VascoMax? C-300 Specialty Steel 是美国Allvac公司生产的特种高镍合金钢,这类钢国内常称马氏体时效钢。mataging steel写错了是maraging steel,意思是时效处理后金相组织为马氏体。C300与国标:00Ni18Co9Mo5TiAl相近,价格较贵。以下是Allvac公司提供的材料性能。Applications: Missile components, jet engine shafts. Spring wire for valve springs in high-performance internal combustion engines。Physical Properties Density8.00 g/cc Mechanical PropertiesHardness, Brinell485Hardness, Knoop535 Hardness, Rockwell C50Hardness, Vickers511Tensile Strength, Ultimate1966 MPaTensile Strength, Yield1897 MPa0.2% Offset Elongation at Break10.0 % Reduction of Area47.0 %
Component Elements PropertiesAluminum, Al0.10 Carbon, C0.020 %
Cobalt, Co8.80 % Iron, Fe67.0 %Manganese, Mn0.050 %Molybdenum, Mo4.80 % Nickel, Ni18.5 % Phosphorous, P0.0050% Silicon, Si0.050 %
Sulfur, S0.0050 % Titanium, Ti0.730 %
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