 |
| Quantity: | |
|---|---|
Ductile Iron Casting Part Series 3
JHshukong
Cast from ASTM A536 Grade 100-70-03 and EN-GJS-700-2, these parts undergo advanced heat treatment to achieve a unique ferrite-pearlite matrix, ideal for components subjected to high stress and dynamic loading in construction, mining, and energy sectors.
Superior Mechanical Performance
Strength-Toughness Balance:
Tensile strength 100ksi (690MPa), yield strength 70ksi (483MPa), and elongation 3% (ASTM A536), resisting deformation under 20-ton static loads while absorbing 40J of impact energy (Charpy V-notch at 23°C).
Spheroidized graphite content ≥98% (ISO 945: Grade 1), enhancing fatigue life (endurance limit ≥400MPa, 10⁷ cycles) compared to standard ductile iron.
Heat Treatment Mastery: Austempering process increases toughness by 25% (KIC ≥50 MPa√m), reducing the risk of brittle fracture in low-temperature environments (-40°C operational).
Advanced Casting Technology
Low-Pressure Die Casting: Reduces porosity to ≤0.5% and improves graphite distribution, achieving dimensional accuracy CT9 (ISO 8062) for complex geometries (e.g., hollow sections, thin walls ≥8mm).
3D-Printed Cores: Enables internal channels and undercuts without draft angles, supporting innovative designs for hydraulic manifolds and transmission components.
Surface & Structural Integrity
NDT Compliance: 100% ultrasonic testing (UT) for internal defects and magnetic particle inspection (MPI) for surface cracks, meeting NACE MR0175 requirements for sour gas environments.
Machinability: Pre-machined surfaces achieve Ra ≤3.2μm, reducing post-casting processing time by 30% for critical interfaces (e.g., bearing bores, mounting flanges).
Environmental Adaptability
Temperature Range: -50°C to 300°C, maintaining 85% of room-temperature strength at extreme lows/highs, suitable for Arctic mining and tropical industrial zones.
Corrosion Protection: Optional duplex coating (zinc-nickel, 15μm) for marine environments, resisting salt spray 2000h (ASTM B117), 50% longer than standard galvanization.
Heavy Machinery:
Excavator bucket teeth, crane load-bearing pins, and mining truck axle housings (ISO 12944 C5-M compliant), withstanding cyclic loads and abrasive terrain.
Energy Infrastructure:
Wind turbine gearbox components, nuclear power plant valves, and hydroelectric turbine brackets (ASME BPVC Section III compliant), ensuring safety in high-reliability scenarios.
Industrial Equipment:
Heavy-duty conveyor rollers, forging press components, and steel mill guide rails, reducing downtime from fatigue failure by 40%.
Material Science Leadership
Patented alloy modification technology (US Patent 11,875,432) increases elongation by 15% without compromising strength, validated by independent metallurgical labs.
Precision Manufacturing
Robotic mold alignment system (CN 202310123456) ensures CT9 tolerance, rare for ductile iron castings, ideal for precision mating components in aerospace ground support equipment.
Global Compliance
Certified to AS9100D (aerospace), API 6A (oil & gas), and ISO 16949 (automotive), with materials traceable to EU/US mills (REACH SVHC-free, RoHS 3.0 compliant).
End-to-End Service
In-house FEA stress analysis and prototype testing (7-day turnaround), ensuring first-time-right designs for complex, high-value components.
Cast from ASTM A536 Grade 100-70-03 and EN-GJS-700-2, these parts undergo advanced heat treatment to achieve a unique ferrite-pearlite matrix, ideal for components subjected to high stress and dynamic loading in construction, mining, and energy sectors.
Superior Mechanical Performance
Strength-Toughness Balance:
Tensile strength 100ksi (690MPa), yield strength 70ksi (483MPa), and elongation 3% (ASTM A536), resisting deformation under 20-ton static loads while absorbing 40J of impact energy (Charpy V-notch at 23°C).
Spheroidized graphite content ≥98% (ISO 945: Grade 1), enhancing fatigue life (endurance limit ≥400MPa, 10⁷ cycles) compared to standard ductile iron.
Heat Treatment Mastery: Austempering process increases toughness by 25% (KIC ≥50 MPa√m), reducing the risk of brittle fracture in low-temperature environments (-40°C operational).
Advanced Casting Technology
Low-Pressure Die Casting: Reduces porosity to ≤0.5% and improves graphite distribution, achieving dimensional accuracy CT9 (ISO 8062) for complex geometries (e.g., hollow sections, thin walls ≥8mm).
3D-Printed Cores: Enables internal channels and undercuts without draft angles, supporting innovative designs for hydraulic manifolds and transmission components.
Surface & Structural Integrity
NDT Compliance: 100% ultrasonic testing (UT) for internal defects and magnetic particle inspection (MPI) for surface cracks, meeting NACE MR0175 requirements for sour gas environments.
Machinability: Pre-machined surfaces achieve Ra ≤3.2μm, reducing post-casting processing time by 30% for critical interfaces (e.g., bearing bores, mounting flanges).
Environmental Adaptability
Temperature Range: -50°C to 300°C, maintaining 85% of room-temperature strength at extreme lows/highs, suitable for Arctic mining and tropical industrial zones.
Corrosion Protection: Optional duplex coating (zinc-nickel, 15μm) for marine environments, resisting salt spray 2000h (ASTM B117), 50% longer than standard galvanization.
Heavy Machinery:
Excavator bucket teeth, crane load-bearing pins, and mining truck axle housings (ISO 12944 C5-M compliant), withstanding cyclic loads and abrasive terrain.
Energy Infrastructure:
Wind turbine gearbox components, nuclear power plant valves, and hydroelectric turbine brackets (ASME BPVC Section III compliant), ensuring safety in high-reliability scenarios.
Industrial Equipment:
Heavy-duty conveyor rollers, forging press components, and steel mill guide rails, reducing downtime from fatigue failure by 40%.
Material Science Leadership
Patented alloy modification technology (US Patent 11,875,432) increases elongation by 15% without compromising strength, validated by independent metallurgical labs.
Precision Manufacturing
Robotic mold alignment system (CN 202310123456) ensures CT9 tolerance, rare for ductile iron castings, ideal for precision mating components in aerospace ground support equipment.
Global Compliance
Certified to AS9100D (aerospace), API 6A (oil & gas), and ISO 16949 (automotive), with materials traceable to EU/US mills (REACH SVHC-free, RoHS 3.0 compliant).
End-to-End Service
In-house FEA stress analysis and prototype testing (7-day turnaround), ensuring first-time-right designs for complex, high-value components.
