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Core Barrel Inner Tube Wireline Inner Tubing

  • Core Barrel Inner Tube Wireline Inner Tubing
  • Core Barrel Inner Tube Wireline Inner Tubing
  • Core Barrel Inner Tube Wireline Inner Tubing

Core Barrel Inner Tube Wireline Inner Tubing

    Payment Type: L/C,T/T,D/P,Paypal,Western Union
    Terms of Trade: FOB,CFR,CIF
    Min. Order: 1 Ton
    Delivery Time: 30 Days
    Packaging: Bundles Packing with plastic bags wrapped
    Productivity: 5000tons per month
    Brand: HuiJie
    Transportation: Ocean,Land
    Place of Origin: Made in China
    Certificate: TS16949 ISO9001
    HS Code: 7304.3110
    Port: Ningbo,Shanghai

Basic Info

Model No.: Wireline inner tubing

Product Description

Seamless Mining Drill Core Tube for Diamond Rock Drilling Inner tubes

SAE1541/AISI1541 Wireline Core Barrel Inner Tubing WLA/WLB/WLN/WLH

Tubes should be made seamless. Outer 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:




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
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 1009

7 shall have the minimum mechanical properties as specified in Table

The Mining Drill Tubes Mechanical Properties:
Tensile Strength
Mpa min
Yield Strength
Mpa min
% min
HRC Heat Treatment
Drill rods 690 550 12 21-26 Normalized
Core tubes 850 550 14 21-26 Normalized

The Products Pictures:

Core Barrel Inner TubeWireline Inner Tubing

Tags:BQ/NQ/HQ drill pipes, Core barrel Inner Tube,core barrel drilling pipes,core barrel outer tube,Wireline drill rods,core tube,

Drill Rods WLA/WLB/WLN/WLH/WL,wireline inner tubing,rock drilling tubes

Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd


Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd was Founded in 2002, the company mainly manufacturing seamless carbon steel tubes and alloy steel tubes, The products are mainly used in automobile, machinery, bearing, high pressure boiler and other industries. In 2011, our company built a new factory focusing on the production of bearing steel tubes,Which covers an area of 45000 ㎡, with capacity of 60,000 tons/year, equipment and environmental protection standards reach the advanced level of the domestic counterparts, has passed ISO/TS 16949 quality management system certification. The company has more than 500 employees, more than 80 professional technical personnel, the key process is equipped with PLC automatic temperature control perforation heating, spheroidizing annealing furnace, recrystallization annealing furnace, and a variety of supporting cold rolling, cold drawing processing lines. Equipped with advanced direct reading spectrum, metallographic analysis, hardness test and other physical and chemical testing equipments and eddy current, ultrasonic non-destructive testing equipments to reach the quality of products with superior assurance conditions. From 2018,Our annual production output about 75,000tons of bearing steel tubes and carbon steel tubes, By 2019, the group's steel pipe production capacity is expected to exceed 110,000 tons. Since 2018,Ningbo Huijie start for exporting through our own branch company Ningbo pipeway,Till now,we exported bearing steel tubes and Carbon steel pipes to Canada, USA, Mexico, Peru, Chile, Thailand, Malaysia, Russia, Iran, Germany, Spain, Netherland, Japan, South Korea Australia, etc about 12 countries.

Company Info

  • Company Name: Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd
  • Representative: Mr.Kevin
  • Product/Service: Seamless Bearing Tubes , Mining Drill Pipes , Boiler Steel Tubes , Alloy Mechanical Tubing , Precision Steel tubes , Stainless Steel tubes
  • Capital (Million US $): 1.45
  • Year Established: 2002
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 11% - 20%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 50
  • No. of R&D Staff: 41 -50 People
  • No. of QC Staff: 51 -60 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 50,000-100,000 square meters
  • Factory Location: Industrial Park,Zhangting Town,Yuyao City,Ningbo City,Zhejiang Province,China
  • Contact Person: Mr. Kevin
  • Tel: 86-0574-87491308
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