Core Barrel Inner Seamless Drill Pipe WLA WLB WLN WLH
Brand Name:New-Era
Certification:ISO9001/TS16949
Model Number:Core Tubes
Minimum Order Quantity:500kg
Delivery Time:20-30days
Place of Origin:China
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Seamless Mining Drill Core Tube for Diamond Rock Drilling Inner tubes
AISI4130/AISI1541 Wireline Core Barrel Inner Tubing WLA/WLB/WLN/WLH
Core tubes should be made seamless. Inner tube rolling technique and machining operations are optional.
Core Tube straightness is checked by rolling the tube on a horizontal or slightly inclined flat surface.
When rolling, no clearances shall be seen between the rod ends and the surface, nor between the middle
of the drill rod (core tube) and the surface.
International Standard ISO 10097-1 was prepared by Technical Committee ISO/TC 82, Mining, Subcommittee
SC 6, Diamond core drilling equipment.
ISO 10097 consists of the following parts, under the general title Wireline diamond core drilling equipment —
System A:
SEAMLESS DRILL PIPES NORM:ISO10097-1 WIRELINE DIAMOND CORE DRILLING TUBES ,
DCDMA DRILL STEEL PIPES,BS4019 ROCK DRILLING PIPES,METRIC DRILLING
RODS,ASTM A519 SEAMLESS ALLOY STEEL TUBING FOR ROCK DRILLING RODS.
STEEL GRADE: SAE/AISI4130,SAE4140,SAE1541,1045,St52.3,XJY750,R780
| Product Name | Seamless Mining Drill Pipes for wireline |
| Material | SAE1541 drill outer pipes |
| Delivery Condition | Stress relieved or Normalized |
| Standard | ISO10097-1 |
| Application | Wire-line drill rods and core tubes |
| Certificate | TS16949, ISO 9001 |
| HS code | 7304319000 |
| Delivery Time | 40 days |
| Pakcing | Bundles or Woodern Boxes |
The rock drilling Inner tubes dimension and tolerance as follows:
| The Wireline Drilling Inner Tubing Normal Sizes: | |||||||||
| Designation | Outside Diameter (mm) | Inside Diameter (mm) | |||||||
| Min | Max | Min | Max | ||||||
| WLA | 32.54 | 32.67 | 28.45 | 28.58 | |||||
| WLB | 42.86 | 42.99 | 37.97 | 38.10 | |||||
| WLN | 55.56 | 55.74 | 49.83 | 50.01 | |||||
| WLH | 73.03 | 73.23 | 66.73 | 66.93 | |||||
Materials used in the manufacture of the wireline drilling inner tubes specified in this part of ISO 10097 shall
have the minimum mechanical properties as specified in Table
| The Mining Drill Pipes Mechanical Properties: | |||||||||
| Type | Tensile Strength Mpa min | Yield Strength Mpa min | Elongation % min | HRC | Heat Treatment | ||||
| Drill rods | 690 | 550 | 12 | 21-26 | Normalized | ||||
| Core tubes | 850 | 550 | 14 | 21-26 | Normalized | ||||
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Tags:Seamless drill pipes, core barrel outer tube,Wireline drill rods,core tube,Drill Rods WLA/WLB/WLN/WLH/WL
Core barrel Inner tubes,inner drill tubing.
Core Barrel Inner Seamless Drill Pipe WLA WLB WLN WLH
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