Standard | OD (mm) | ID (mm) | Wall Thickness (mm) | TPI | Pin Thread Length(mm) | Weight (kg/m) |
BWL | 55.7 | 46.1 | 4.8 | 3.0 | 44.45 | 6.03 |
NWL | 70.5 | 60.3 | 5.1 | 3.0 | 44.45 | 8.08 |
HWL | 89.0 | 77.8 | 5.6 | 3.0 | 44.45 | 11.52 |
PWL | 114.3 | 101.9 | 6.2 | 2.5 | 63.50 | 16.53 |
SWL | 139.7 | 125.5 | 7.1 | 2.5 | 62.80 | 23.22 |
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 |