production process
Step 1 : the material is 45# steel pipe produced from Tianjin Chinacut the material to different length,
accoring to requirement.
Step2: after cut off, treatment the steel pipe , strongen its hardness and toughness .
Step3: primary process, remove the oxidation layer.strongen the beautiful
surface and provide the base for welding flange.
Step4: line boring, make the product straight line.
Step5:honing
Step6:semi finishing, confirmed the toally length, and treat the surface
Step7: hard chrome. send the goods to electroplating workshop ,inner
wall chrome
Step8:precison turning then painting and package
Product Name | concrete pump truck delivery cylinder pipe | ||
Brand | SANY | ||
Material | Quality steel + Super thick chromium plating | ||
Model Number | DN200 | DN230 | DN260 |
Diameter & Length | Φ200 x 1946 | Φ230 x 2146 | Φ260X2145 |
Length | 1946mm | 2146mm | 2145mm |
Chrome plate layer thickness | 0.25-0.3mm | 0.25~0.3mm | 0.26-0.33mm |
Hardness on chromium plating surface | >HRC64 | >HRC64 | >HRC64 |
Service Life | 100,000m³ | 100,000m³ | >100,000m³ |
Application | Trailer Concrete Pump | Truck-mounted Concrete Boom Pump/Vehicle-Mounted Pump | Truck-mounted Concrete Boom Pump |
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