Warman pump material A05 is a common material used by Warman pump, A05 is the code for the material, this material also known as High Chrome 27% or KmTBCr27, and US ASTM-A532
Material Type:  Erosion resistant white iron
General Description
High Chrome 27% is a wear resistant white iron that offers excellent performance under erosive conditions. The alloy can be effectively used in a wide range of slurry types, like mine slurry, power plant, industry waste and etc

As warman pump material, the high wear resistance of High Chrome 27% is provided by the presence of hard carbides within its microstructure. High Chrome 27% is particularly suited to applications where mild corrosion resistance, as well as erosion resistance is required.
Physical properties
Density (kg/m3)                   7500
Hardness (HBW 10/3000)  650
Tensile strength (MPa)         780
Young¡fls modulus (GPa)      220
Elongation at break (%)        0.4
Toughness (J)                        190
Chemical Resistance
High Chrome 27% is generally not suitable for highly corrosive duties. The alloy can be used in mild corrosive duties, within a pH range of 5 to 12, for silphuric and nitric acids, or sodium hydroxide applications.
High Chrome 27% Parts Availability
Most wet-end slurry pump wear parts can be produced in High Chrome 27%. The most common parts are as follows: Slurry Pump Impellers, Throatbush, Volute liners, Frame plate liner insert, Casings
Application Recommendations
High-Chrome 27% can be used for pumping a wide range of mild corrosive slurries. The alloy gives very excellent wear life for a wide variety of particle sizes and hardness. Usually, High-Chrome 27% is most cost effective for particles greater than 100um in size.
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