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Model No.: 55.6x2.8mm 73x3mm
Brand: HuiJie
Usage: Special Purpose
Type: Seamless
Technique: Cold Drawn
Material: Alloy Steel
Surface Treatment: Black
Section Shape: Round
Size Range: OD:6-120mm,Wt:1-20mm
Heat-treatment: Stress Released Or Quenching
Application: For Wire-line Drill Rods
Length: 3000mm 3050mm 3100mm
Standard: ASTM 519 ASTM A513
Similar Steel Grade: 4130 4140 XJY750
Specification: Core Barrel Drill Pipes
Packaging: Bundles Packing with plastic bags wrapped
Productivity: 5000tons per month
Transportation: Ocean,Land
Place of Origin: Made in China
Certificate: TS16949 ISO9001
HS Code: 7304.3110
Port: Ningbo,Shanghai
Payment Type: L/C,T/T,D/P,Paypal,Western Union
Incoterm: FOB,CFR,CIF
55.6x2.8mm 73x3mm outer and inner Drill Pipes seamless core barrel Drill Tubes
1. Product Name: Seamless Steel drill pipes without thread
2. Size Range: OD: 45-114.3m, WT: 2-15mm, 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 | 1541, 1026, 1045, 4130, 4140 |
Delivery Condition | HR, CW, SR, A, N,Quenching & Tempering |
Standard | |
Application | Wire-line drill rods |
Certificate | TS16949, ISO 9001 |
HS code | 7304319000 |
Delivery Time | 40 days |
Pakcing | Bundles or Woodern Boxes |
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 |
Steel &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, Sandvik type |
NON-DESTRUCTIVE TEST
Eddy Current Examination according to ASTM E309shall be applied on all tubes using External Longitudinal notch with depth of no more than 7.5% of wall thickness (maximum notch depth 0.80mm and minimum notch depth 0.30mm) , 0.30mm maximum width and 25mm maximum length, made from the same chemistry and size of tubing.
SURFACE CONDITION
The tubes must have smooth surface
MARKING
The request information shall be marked on each tube with paint, and
each bundle shall be identified with a securely attached metal tag.
COATING
The tubes inside and outside shall be coated with a rust inhibitor
PACKING
Standard Export worthy packing, preferably in hexagonal bundle with plastic wrapped and steel strapped.
Product Categories : Seamless Mining Drill Pipes
Home > Products > Seamless Mining Drill Pipes > 55.6x2.8mm 73x3mm core barrel seamless drilling tubes
Send Inquiry
Mr. Kevin
Tel:86-0574-87491308
Fax:86-0574-87491848
Mobile Phone:+8613355844917
Email:sales@hjbearingtube.com
Address:Industrial Park, Zhangting Town,Yuyao City, Ningbo, Zhejiang
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.