The inner pipe wall is case hardened by CNC high-frequency induction hardening machine. The inner pipe wall becomes a wearable layer with high hardness.
The concrete pump straight pipe is made of special alloy steel ( 45Mn2). The inner pipe wall is case hardened by CNC high-frequency induction hardening machine. The inner pipe wall becomes a wearable layer with high hardness. The service life of the inner-hardened concrete pump boom pipe is as 3 to 5 times as normal concrete pump pipe.
1. Material: Q235, 20#, 16Mn, ST52, 45Mn2, 37Mn5, 50Mn2, W12-5, W12-8, GX350.
2. Sizes: DN60-DN180 (mm unit)
3. Length: 1m, 2m, 3m, 6m or according to clients’ requirements.
4. Packing: With waterproof plastic film and ends
5. Surface Treatment: Powder painted and baked
Specification for CIFA Sany Concrete pump pipe,Hardened Pipe,Straight Pipe:
| Name | size | Thickness(mm) | Length (M) |
| ST52 concrete pump pipe | DN125 | 4.5 | 3 |
| DN125 | 5.0 | 3 | |
| Concrete pump hardened pipe | DN125 | 4.5 | 3 |
| DN125 | 4.8 | 3 | |
| DN125 | 5.0 | 3 | |
| DN125 | 7.0 | 3 | |
| Concrete pump twin wall pipe | DN125 | 2.5+2 | 3 |
| DN125 | 3+2 | 3 | |
| DN125 | 5+2 | 3 | |
| ZX Concrete pump pipe | ZX5″ | 6.0 | 3 |
| ZX5.5″ | 7.1 | 3 | |
| FM5″ | 6.0 | 3 | |
| FM5″ | 7.1 | 3 |
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