HDD Reamer for Horizental Directional Drilling/drill Opener for Horizental Directional Drilling/ for Sale Manufacturer China
Specifications
22'',24''26'',28'' holeopener, HDD reamer is our specialized product which more economy and efficiency for directional drilling
10',12",14",16",18"20",22'',24''26'',28'' holeopener, assembely tricone bit is our specialized product,it more economy and efficiency than tricone bit
Product Name: Roller hole opener
size:10",12",14",16",18",20",22'',24''26'',28'',30",36" holeopener
Material: 4145H
Chemical Analysis &Physical
C |
Cr |
Mo |
Si |
Mn |
P |
S |
Ni |
0.45 |
1.10 |
0.26 |
0.20 |
1.10 |
0.017 |
0.006 |
|
Mechanical Testing
|
Yield strength RP0.2 N/mm2 |
Tensile strength Rm N/mm2 |
Elongation A% |
Section Shrinkage Z % |
Impact Akv J |
Hardness HB 10/3000/30 |
915 |
1030 |
16.5 |
|
78 |
316 |
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