Alloy Steel Investment Castings | Special Alloy Steel Castings | High-Performance Alloy Steel Castings Category Description: This category specializes in high-performance alloy steel castings manufactured using precision casting processes. We focus on producing various special alloy steel components with excellent mechanical properties, wear resistance, and corrosion resistance, meeting stringent requirements in high-end sectors such as aerospace, energy equipment, and special machinery. Core Materials: High-Strength Low-Alloy Steel (HSLA): ZG35CrMo, ZG42CrMo (high-strength transmission parts) ZG40Cr, ZG35SiMn (wear-resistant structural parts) Medium-High Alloy Special Steel: ZG1Cr13, ZG2Cr13 (martensitic stainless steel) ZG1Cr18Ni9 (austenitic stainless steel transition material) ZG30Cr26Ni5 (duplex stainless steel) Special Alloy Steel: Heat-resistant alloy steel (ZG4Cr25Ni20Si2) Wear-resistant alloy steel (ZG120Mn13) Low-temperature alloy steel (ZG16MnD) Grade & Standard Systems: We comply with multiple international standards and certifications to ensure material compliance: Chinese Standards (GB/T): GB/T 14408: Cast Carbon and Alloy Steels for General Engineering GB/T 8492: Heat-Resistant Steel and Alloy Castings for General Use American Standards (ASTM): ASTM A217 WC6/WC9 (Chromium-Molybdenum Alloy Steel) ASTM A487: Alloy Steel Castings for Pressure Vessels ASTM A148: High-Strength Alloy Steel Castings for Structural Purposes European Standards (EN): EN 10213: Steel Castings for Pressure Purposes EN 10295: Heat-Resistant Steel Castings International Certifications: PED 97/23/EC (Pressure Equipment Directive) NORSOK M-650 Material Certification Third-party material reports available (SGS/BV/TÜV) Common Component Applications: Energy Equipment: Steam turbine blades, gas turbine components Valve bodies (high-temperature, high-pressure conditions) Pump housings, impellers (corrosion resistance requirements) Construction Machinery: Excavator bucket teeth, crusher hammers Track links, slewing rings Mining & Metallurgy: Ball mill liners, crushing walls Rolls, guide devices Marine & Offshore: Ship rudder stocks, propeller components Offshore platform lifting lugs, mooring components Special Vehicles: Heavy-duty axles, suspension parts Armor protection components Process Technology Advantages: Utilizing precision casting + special heat treatment combined processes: Material Design Flexibility: Customizable alloy composition based on working conditions (Cr, Mo, Ni, etc.) Support for bimetal composite casting Precise Performance Control: Quenching and tempering: HRC 28-55 Surface hardening: Carburizing, nitriding, induction hardening Corrosion resistance treatments: Passivation, plating Precision Forming Capabilities: Minimum wall thickness: 1.5mm Dimensional accuracy: CT5-7 grade Surface roughness: Ra3.2-6.3μm Testing & Certification: Chemical composition analysis via spectrometry Comprehensive mechanical property testing Ultrasonic testing (UT) for internal defects Penetrant testing (PT) / Magnetic particle testing (MT) for surface defects Metallographic analysis (grain size, inclusion rating) High-temperature / low-temperature performance testing Corrosion resistance testing (salt spray test) Value-Added Services: Engineering Support: Failure analysis and improvement solutions Simulation calculations (stress analysis, fluid analysis) Lightweight design optimization Rapid Response: Sample development cycle: 10-20 days Small-batch trial production: 50-500 pieces Expedited channel for urgent orders End-to-End Services: Raw material procurement control Full production traceability system Customized packaging and logistics solutions