Cast Iron Impeller
Product Name: pump impeller
Material: grey iron/ ductile iron
Weight Scope: 0.5-200kg
Production Technology: Auto moulding line; Joint Squeezer；Shell molding；Resin sand
Machining: customized
Surface treatment: anti-rust oil; primer painting; cataphoresis; powder coating; zinc plating
Quality Control: ISO9001
Description
Our Casting Iron Pump Impellers are engineered to deliver efficient fluid movement, long service life, and reliable performance in a wide range of pump systems. Manufactured using gray iron, ductile iron, and other custom alloy materials, our impellers are designed for various flow rates, pressures, and operating conditions. With over 20 years of casting experience, we support both standard and custom designs for global OEM and industrial clients.
Material Grades & Properties
We commonly use:
Gray Iron (ASTM A48)
Grades: Class 30, 35, 40
Advantages: Excellent castability, vibration damping, and cost-efficiency
Typical Composition (%):
Carbon: 3.0–3.5
Silicon: 1.8–2.5
Manganese: 0.5–1.0
Phosphorus: ≤0.15
Sulfur: ≤0.12
Ductile Iron (ASTM A536)
Grades: 60-40-18, 65-45-12, 80-55-06
Advantages: High tensile strength, impact resistance, and elongation
Typical Composition (%):
Carbon: 3.5–3.8
Silicon: 2.2–2.8
Manganese: 0.2–0.5
Magnesium: 0.03–0.05
Phosphorus: ≤0.08
Sulfur: ≤0.02
Application Areas
Ideal for:
Product Advantages
Robust Structure
Withstands high mechanical loads and continuous operation
Material Versatility
Available in multiple iron grades to match performance and cost needs
Smooth Flow Channels
Precision casting ensures optimal hydraulic performance
Custom Engineering
Full support for OEM/ODM projects with tailored design and casting solutions
Manufacturing Process
We use sand casting and resin sand casting for durability and flexibility in shape. All impellers undergo strict inspection-including chemical analysis, dimensional checks, dynamic balance testing, and surface finishing-to ensure quality and performance.
Company Strength
Certified to ISO 9001:2015, our company is backed by strong technical capabilities and an independent quality inspection team, ensuring every impeller meets international standards with stable and consistent quality.
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