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Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Specifications
Brand Name :
New-Era
Model Number :
BQ,NQ,HQ,PQ
Certification :
ISO9001/TS16949
Place of Origin :
China
MOQ :
500kg
Price :
Negotiation
Supply Ability :
2000tons per month
Delivery Time :
45 days
Packaging Details :
Anti-rusty oil protected,Bundles packing with plastic bags wrapped
Steel Grade :
SAE4130;45MnMoB;30CrMnSiA;4140
Size :
BQ,NQ,HQ,PQ
Threaded :
Drilling pipes without thread
Surface :
Black phosphated,smooth surface
Materials :
Seamless cold drawn alloy steel tubes
Casing :
AW, BW, NW, HW, HWT, PW
Application :
wireline diamond core drilling pipes
Description

Ming Drill Rods SAE4130 Steel Drill Pipes

New-Era Steel Tube Specially in manufacturing cold drawn precision Seamless wire line Drill Pipes for Geological

Exploration Seamless Drill Pipes BQ/NQ/HQ/PQ,and the inner tubes and outer casing tubes.We have the steel grade

level XJY600,XJY750,XJY850,XJY950,BL850,BL950.

The detail steel pipes of materials:SAE4130,45MnMoB,30CrMnSiA,SAE4140

SPECIFICATIONS: ASTM A519 WITH FOLLOWING REQUIREMENTS.


1). BQ,NQ,HQ DRILL PIPES DIMENSION AND TOLERANCES (IN MM)

　Q series drill pipes Conditions Size mm Quantity, units Weight kg/pcs Length, mm
BQ mother pipe Quenched and Tempered 55.75x4.8 500 18.5 3000
NQ mother pipe Quenched and Tempered 70.1х5.0 1000 24.6 3000
HQ mother pipe Quenched and Tempered 89.0x5.6 1000 35.3 3000
PQ mother pipe Quenched and Tempered 114.3x5.8 500 47.5 3000

2).The Mechanical properies of drill pipes:

Technical data Tensile Strength, MPA Yield Strength, MPA Elongation, % Hardness,HRC
4130+SR 730 620 14 22-26
30CrMNSIA+QT 850 750 14 28-32
4130+QT 950 850 13 30-35
Deviation from straightness Not more than 0,3 mm per 1 meter of length,total 1/6000
Deviation from straightness Not more than 0,25 mm per 0.2 meter of length from each of the end of pipe
Tolerance for BQ mother pipe Deviation of the diameter is 55.75+0,2/-0,2mm, 46.15 +0,2/-0,2mm
Tolerance for NQ mother pipe Deviation of the diameter is 70.1+0,15/-0,2mm, 60.4-0,3mm
Tolerance for HQ mother pipe Deviation of the diameter is 89+0,38/-0,1mm, 78.1-0,48mm
Tolerance for PQ mother pipe Deviation of the diameter is 114.3+0,50, 103.2-0,5mm
Eccentricity Not more than 7%


Eddy Current Examination according to ASTM E309 shall be applied on all tubes using External Longitudinal
NON-DESTRUCTIVE TEST

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.

THE CORE DRILLING RODS SURFACE CONDITION

The tubes must have smooth surface,black surface or black phosphatized.

THE STEEL PIPES MARKING

The request information shall be marked on each tube with paint, and

each bundle shall be identified with a securely attached metal tag.

TUBES PIPES SURFACE COATING

The tubes inside and outside shall be coated with a rust inhibitor

PACKING OF ALLOY TUBES

Standard Export worthy packing, preferably in hexagonal bundle with plastic wrapped and steel strapped.

PRODUCTS PICITURES

Ming Rods Smooth Steel Seamless Drill Pipe SAE4130

Ming Rods Smooth Steel Seamless Drill Pipe SAE4130Ming Rods Smooth Steel Seamless Drill Pipe SAE4130Ming Rods Smooth Steel Seamless Drill Pipe SAE4130

Tag: steel drill rod,rock drill rods,wireline drill rods,casing drill pipes,seamless steel pipes,rock drill pipes,

BQ drill pipes,HQ drill rods,HQ drill rods


Product tags

weld aluminum pipe

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how to weld copper pipe

,

3 inch od steel pipe
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Ming Rods Smooth Steel Seamless Drill Pipe SAE4130

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Product Detail
Brand Name :
New-Era
Model Number :
BQ,NQ,HQ,PQ
Certification :
ISO9001/TS16949
Place of Origin :
China
MOQ :
500kg
Price :
Negotiation
Contact Supplier
video
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130
Ming Rods Smooth Steel Seamless Drill Pipe SAE4130

NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD

Verified Supplier
7 Years
Since 1988
Business Type :
Manufacturer
Main Products :
Precision Seamless Steel Tube, Seamless Cold Drawn Steel Tube, Seamless Boiler Tube
Total Annual :
100000000-15000000
Employee Number :
150~200
Certification Level :
Verified Supplier
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