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Wuxi Koni Heavy Industry Machinery Co., Ltd
1Cr25Ni20Si2 material rack wear-resistant cast steel
NegotiableUpdate on 02/20
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Overview
Casting performance: Steel has a high melting point (above 1500 ℃), poor flowability, large shrinkage rate (about 2%), and is prone to defects such as shrinkage and cracks, which need to be controlled through process optimization (such as riser design and heat treatment). $r $n $r $n Heat Treatment: Steel castings typically require normalizing, annealing, or quenching+tempering to refine grain size, eliminate internal stress, and improve mechanical properties. Weldability of $r $n $r $n: Most cast steels can be welded, but preheating and post weld heat treatment are required to avoid cracks. Typical application areas: Heavy machinery such as rolling mill frames, mining equipment gears, crane turntables, etc. $r $n $r $n Energy equipment: water and electricity valves, wind turbine hubs, nuclear power components. $r $n $r $n Transportation
Product Details
Performance advantages of cast steel
High strength and toughnessThe tensile strength is significantly higher than that of cast iron (such as carbon cast steel up to 400-600MPa), especially suitable for impact load environments.
Good plasticityStretching better than cast iron, it can alleviate stress concentration through plastic deformation.
MachinabilityFurther modification can be achieved through cutting, welding, heat treatment, and other processing methods.
Typical application areas
heavy machinerySteel rolling mill frame, mining equipment gear, crane turntable, etc.
energy equipmentWater and electricity valves, wind turbine hubs, nuclear power components.
transportationRailway vehicle hooks and ship propellers.
Regarding AerospaceHigh pressure resistant shell and special structural components.
Architecture and BridgesLarge nodes and seismic bearings.
Comparison between cast steel and cast iron
feature cast steel Cast iron (such as ductile iron) Carbon content 0.1%~0.5% 2%~4% Strength/toughness high Lower (but ductile iron is close to cast steel) 铸造性能 Poor (requiring complex processes) Excellent (good liquidity, small shrinkage) cost High melting temperature and numerous defects lower
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