Outer and inner drill pipes 92x7 73x6.35 55.6x2.8 73x3 seamless drill tubes for wire-line drill rods
1. Product Name: Seamless Steel Tubing wire-line drill rods
2. Size Range: OD: 45-114.3m, WT: 2-15mm, Length:3m,3.06m 5.8m/6m, maximal 11.8m
3. Stable Quality with Comeptitive Price
4. Protective Atmosphere Heat Treatment, Surface is clean and smooth, without oxide scale
5. Good Extending and Bending Ability, Longer Work Life
Product Name | Seamless Steel Tubing wire-line drill rods |
Material | 1541, 1026, 1045, 4130, 4140 |
Delivery Condition | HR, CW, SR, A, N,Quenching & Tempering |
Standard | ASTM A519 |
Application | Wire-line drill rods |
Certificate | TS16949, ISO 9001 |
HS code | 7304319000 |
Delivery Time | 40 days |
Pakcing | Bundles or Woodern Boxes |
Seamless Steel Tubes for Wire-line Drill Rods | |||||||
Standard: ASTM A519 GB/T9808-2008 GB/T16950-2014 | |||||||
Spec. | Size & Tolerance | ||||||
- | Ourside Diameter | Inside Diameter | Length | ||||
- | mm | Tolerance | mm | Tolerance | mm | mm | Tolerance |
A | 44.45 | 0/+0.30 | 35.05 | -0.15/+0.15 | 3000 | 3060 | 0/+5 |
B | 55.55 | 0/+0.30 | 46.05 | -0.15/+0.15 | 3000 | 3060 | 0/+5 |
BT | 56.52 | 0/+0.40 | 48.64 | -0.20/+0.20 | 3000 | 3060 | 0/+5 |
N | 69.85 | 0/+0.30 | 60.33 | -0.15/+0.15 | 3000 | 3060 | 0/+5 |
NT | 73.03 | 0/+0.40 | 64.26 | -0.20/+0.20 | 3000 | 3060 | 0/+5 |
H | 88.90 | 0/+0.40 | 77.80 | -0.20/+0.20 | 3000 | 3060 | 0/+5 |
HWT | 114.30 | 0/+0.40 | 101.60 | -0.20/+0.20 | 3000 | 3060 | 0/+5 |
Steel &Properties | |||||||
Item | Steel Grade | Steel Class | Tensile Strength Min Mpa | Yield Strength Min Mpa | Elongation Min% | Hardness HRC | Heat treatment Type |
1 | 1541 | ZT640 | 790 | 640 | 14 | / | +N |
2 | 4130 | ZT750 | 850 | 750 | 14 | 26-31 | Q&T |
3 | 4140 | ZT850 | 950 | 850 | 14 | 28-33 | Q&T |
4 | 45MnMoB | XJY600 | 790 | 600 | 14 | / | +N |
5 | 30CrMnSiA | XJY750 | 850 | 750 | 14 | 26-31 | Q&T |
6 | 42CrMo | XJY850 | 950 | 850 | 14 | 28-33 | Q&T |
Straightness | Normally: 1/2000mm High class: 1/6000mm | ||||||
Application | Wire-line Drill Roads, Boart Longyear, Altas, type |