High Quality Seamless Mining Drill Pipes, 30CrMnSiA Drill Pipes, Core Barrel Drilling Pipes Suppliers in China

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Seamless Mining Drill Pipes 30CrMnSiA Core Barrel Pipes

  • Seamless Mining Drill Pipes 30CrMnSiA Core Barrel Pipes
  • Seamless Mining Drill Pipes 30CrMnSiA Core Barrel Pipes
  • Seamless Mining Drill Pipes 30CrMnSiA Core Barrel Pipes

Seamless Mining Drill Pipes 30CrMnSiA Core Barrel Pipes

    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.: 30CrMnSiA

Product Description

Seamless Mining Drill Pipes 30CrMnSiA Core Barrel Drilling Pipes

THE DRILL PIPES PRODUCED BY COLD DRAWN SEAMLESS ALLOY STEEL


TUBES FOR WIRE-LINE DRILL RODS,CORE BARREL,CASING PIPES.


THE STEEL NORM:ISO10097-1 WIRELINE Diamond Core Drilling PIPES ,


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

Product Name Seamless Mining Drill Pipes for wireline
Material 30CrMnSiA/XJY750 drill pipes
Delivery Condition Quenching & Tempering
Standard ASTM GB9808/ISO10097-1
Application Wire-line drill rods
Certificate TS16949, ISO 9001
HS code 7304319000
Delivery Time 40 days
Pakcing Bundles or Woodern Boxes

Steel Pipes Standard Producton Method Tube Size Tolerance
GB/T 9808-2008 Hot rolled OD
(+1.0%D) +0.65
(-0.5%D) -0.35
WT ≤10
(+15%S) +0.45
(-10%S) -0.35
>10 (+12.5%S, -10%S)
Cold drawn OD
±0.50%D or ±0.20
WT
±8%S or ±0.15
Q(N)/ XJY118-2010 Cold drawn OD OD ±0.40%D or ±0.20
WT WT ±7%S or ±0.15

Normal Sizes:
Designation Outside Diameter (mm) Inside Diameter (mm)

Min Max Min Max
A Wireline 44.45 44.70 34.82 35.07
B Wireline 55.55 55.90 45.95 46.30
N Wireline 69.95 70.30 60.05 60.30
H Wireline 88.90 89.38 77.62 78.10
P Wireline 114.30 114.78 102.79 103.27

The Mining Drill Pipes Mechanical Properties:
Stee Grade
Tensile Strength
Mpa min
Yield Strength
Mpa min
Elongation
% min
HRC Heat Treatment
XJY600 790 600 14 ~ N
XJY750 850 750 14 26-31 QT
XJY850 950 850 14 28-33 QT

The Diamond Drilling Pipes Chemical Composition
Stee Grade C Si Mn P max S max Cu max Cr Mo B
XJY600
(45MnMoB)
0.43-0.48 0.17-0.37 1.05-1.35 0.02 0.015 0.20 ~ 0.20-0.25 0.001-0.005
XJY750
(30CrMnSiA)
0.28-0.34 0.90-1.20 0.80-1.10 0.02 0.015 0.20 0.8-1.1 ~ ~
XJY850
4140
0.38-0.43 0.17-0.35 0.70-0.90 0.02 0.015 0.20 0.9-1.1 0.15-0.25 ~










GB/T9808 Rock Drilling Pipes Mechanical Properties:
Steel Grade Tensile Strength Mpa
Yield Point Mpa
Elongation % Heat treatment
Min
ZT380 640 380 14 Normlized
ZT490 690 490 12 Normlized
ZT540 740 590 12 Normlized
ZT590 770 590 12 Normlized
ZT640 790 640 12 QT
ZT740 840 740 10 QT
XJY850 950 850 15 QT

The Products Pictures:

Seamless Mining Drill PipesCore Barrel Drill Pipes

Tags:BQ/NQ/HQ drill pipes, Geological exploration drill pipes,SAE4130 drill pipes,diamond drilling pipes,core drilling tubing,

Seamless mining drill pipes,30CrMnSiA drill pipes,core barrel drilling pipes



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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