helical screw piles and helical pierdescription
helical screw piles and helical pieruse materials
The raw materials | The finished product processing requirements |
38CrMoAlA,SACM645 | Nitriding treatment |
Cr12MoV,Cr12 | Alloy steel, high frequency quenching |
38CrMoAlA,SACM645,40Cr,AISI4140,42CrMo | Bimetallic of the inner hole centrifugal casting |
GHII3 | Nature hard after high temperature |
helical screw piles and helical pierspecification
helical screw piles and helical pier/Technical parameter | |
Hardness of Nitriding | HV960~1060 |
Deepness of Nitriding Layer | 0.5~0.8mm |
Nitriding Brittleness | 0.045mm |
Screw Alignment | 0.015mm |
Nitriding Brittleness | ≤Grade 1 |
Thickness of Chrome Plating Coating | 0.03~0.08mm |
Quenching and Tempering Hardness | HB240~280 |
Hardness of Chrome Plating Coating after Nitriding | ≥980HV |
Deepness of Bimetallic Alloy | 1.5~3.5mm |
Hardness of Bimetallic Alloy | HRC55-62 |
Thickness of Tungsten Carbide Layer | 1.0~2.5mm |
Hardness of Tungsten Carbide Layer | HRC58-70 |
Deepness of Titanizing Layer | 0.05~0.10mm |
Helical screw piles and helical pierscrewprocess
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With knowledge of local soil conditions, helical piers can be an ideal solution because the installing contractor will know exactly how deep to install the piers to reach a stable soil layer than can support your home. If your goals are the following, helical piers are a good choice:
helical screw piles and helical pierapplication