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XJY850 AQ BQ NQ HQ Seamless Steel tubes for wire-line drill rods
1. Product Name: Seamless Steel Tubing wire-line drill rods
2. Size Range: AQ,BQ,NQ,HQ,PQ 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 | XJY750 XJY850 |
| Delivery Condition | HR, CW, SR, A, N,Quenching & Tempering |
| Standard | ASTM GB9808 |
| Application | Wire-line drill rods |
| Certificate | TS16949, ISO 9001 |
| HS code | 7304319000 |
| Delivery Time | 40 days |
| Pakcing | Bundles or Woodern Boxes |
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Seamless Steel Tubes for Wire-line Drill Rods
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Standard: ASTM A519 GB/T9808-2008 GB/T16950-2014
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| Spec. |
Size ＆ Tolerance
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| - |
Ourside Diameter
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Inside Diameter
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Length
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| - | 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 |
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Steel ＆Properties
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| Item |
Steel
Grade
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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, Sandvik type | ||||||
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Main Product:
Seamless Bearing Tubes,
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Boiler Steel Tubes,
Alloy Mechanical Tubing ,
Precision Steel tubes,
Stainless Steel tubes
