Why choose us?
1. Precision casting system
Water glass sand casting process
Medium frequency induction furnace melting (1600℃)
Step gating system design
Special riser feeding technology
2. Heat treatment process
normalizing
Tempering heat treatment (quenching + high temperature tempering)
Surface hardening (optional, hardness HRC45-50)
Vibration aging
3. Finishing technology
Special machining center for five-axis impeller
Precision polishing process of runner
Dynamic balance correction (G6.3)
Laser marking traceability system
Product introduction
We use high quality 45 steel (GB/T 699) precision casting pump impeller, through normalizing + tempering heat treatment to make the hardness of HB220-250, both high strength and wear resistance. The product has been tested by dynamic balance (G6.3), the surface accuracy of the flow path Ra3.2μm, and the maximum linear speed can reach 45m/s. Support Φ50-500mm customization.
Our advantage
1. High quality material characteristics
National standard 45 high quality carbon steel (GB/T 699)
After quenching and tempering heat treatment, the hardness reaches HB220-250
Tensile strength ≥600MPa, yield strength ≥355MPa
Wear layer thickness up to 8-15mm (special process)
2. Precision performance parameters
Dimension accuracy CT7 class (GB/T 6414)
Blade thickness tolerance ±0.3mm
Runner surface roughness Ra3.2μm (machined to Ra1.6μm)
Applicable speed range: 1000-3600rpm
3. Professional application field
√ Industrial centrifugal pump: clean water, sewage transport
√ Chemical process pump: corrosive media treatment
√ Fire pump system: high pressure condition
√ Agricultural irrigation pump: conveying medium containing particles
Detail data
Application | Machinery Parts |
Material Type | Stainless steel |
Standard | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
Kind | Stainless Steel Casting |
Molding Technics | Casting |
Weight | 0.5kg~50kg |
FAQ
1.What is the Minimum Order Quantity?
5~1000 pcs. And we also accpet sample orders.
2. Can you manufacture according to customer's samples?
According to samples, we can make drawing, tooling and sample
3.How long will it take to make new samples according to customer's drawing or sample?
Totally 20 days. 10 days for tooling and another 10 days for sample.
