NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
NEW-ERA STEEL TUBE HOLDING NINGBO PIPEWAY TRADE CO.,LTD
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Thin Wall Wireline Drilling Pipes Drill Rods AQ/BQ/NQ/HQ/PQ Materials XJY750/XJY850
Thin-Wall WireLine drill rods designed for exploration drilling for solid minerals. Thin-Wall drill rods reduce
string weight up to 25% that allows to increase the depth capacity up to 25% and make economy on energy
consumption during drilling.
1. Product Name: Seamless Cold Drawn Steel Pipes For WireLine Diamond Drill Rods
2. Size Range: AQ,BQ,NQ,HQ,PQ Length:3m,3.06m,6.1m
3. Normal Size:55.6x3.2mm,70x3.2mm,70x3.5mm,89x4mm,89x4.5mm,114.3x4.5mm
4. Steel Pipes Protective Atmosphere Heat Treatment, Surface is clean and smooth, without oxide scale
5.The Drill Pipes Can be produced as DCDMA,ISO10097-1,boart long year,atlas copco, type.
| 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 |
| Cold Drawn Steel Pipes＆ Mechanical 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 | ||||||
Products Pictures:
Tags:Seamless Steel Pipes,Cold Drawn steel Pipes,Drill Pipes,Wireline drill rods,core barrel,thin wall
wireline drill rods,BQ,NQ,PQ,HQ.