Specifications
drilling rod
1.Whole heat treatment
2.Screw thread heat treatment.
3.Hard chromed on pin end
geological steel pipe-entire length thermal treatment, NC lathe with former cutters
Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)
| C series Rod parameter-geological steel pipe-entire length thermal treatment, NC lathe with former cutters |
| Spec. |
Unit |
BCB |
NCB |
HCB |
PCB |
| OD/ID |
mm |
55.6/46 |
71/60 |
89/77.8 |
114.3/101.6 |
| Thickness |
mm |
4.8 |
5.5 |
5.6 |
6.35 |
| Length |
m |
1.5 or 3 |
1.5 or 3 |
1.5 or 3 |
1.5 or 3 |
| Weight |
kg/m |
6.01 |
8.8 |
11.51 |
17.3 |
| thread length |
mm |
44.45 |
44.45 |
44.45 |
63.5 |
| thread pitch |
thread/inch |
3 |
3 |
3 |
2.5 |
| box thread tooth height |
mm |
0.76 |
0.76 |
0.76 |
1.17 |
| pin thread tooth height |
mm |
0.88 |
0.88 |
0.88 |
1.27 |
| thread tooth angle |
. |
29 |
29 |
29 |
29 |
| tensile resistance(A series) |
kn |
400 |
530 |
510 |
565 |
| tensile resistance(B series) |
kn |
450 |
615 |
625 |
660 |
| bore depth |
m |
1200 |
1000 |
900 |
800 |
| |
|
|
|
|
|
| RC series Rod parameter-geological steel pipe-entire length thermal treatment, NC lathe with former cutters |
| Spec. |
Unit |
BRC |
NRC |
HRC |
PRC |
| OD/ID |
mm |
55.6/46 |
69.9/60.3 |
88.9/77.8 |
114.3/101.6 |
| Length |
m |
1.5 or 3 |
1.5 or 3 |
1.5 or 3 |
1.5 or 3 |
| Weight |
kg/m |
6.01 |
8.8 |
11.51 |
17.3 |
| thread length |
mm |
42 |
42 |
41.91 |
63.5 |
| thread pitch |
thread/inch |
3 |
3 |
3 |
2.5 |
| box thread tooth height |
mm |
0.76 |
0.76 |
0.76 |
1.17 |
| pin thread tooth height |
mm |
0.88 |
0.88 |
0.88 |
1.27 |
| thread tooth negative angle |
. |
5 |
5 |
5 |
5 |
| tensile resistance(A) |
kn |
450 |
525 |
545 |
565 |
| tensile resistance(B) |
kn |
530 |
625.5 |
602 |
660 |
| bore depth |
m |
|
|
|
|
