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Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
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 :
4130+SR/SAE1541/4130+QT/XJY850/XJY750
Size :
55.50x46.5 69.85x60.33 88.90x77.80 114.3x101.60
Threaded :
Ends without thread
Surface :
Black phosphated
Materials :
Seamless cold drawn steel pipes
Casing :
AW, BW, NW, HW, HWT, PW
Application :
Geological drilling
Description

Seamless cold drawn alloy steel pipes for wire-line drill rods sizes AQ BQ NQ HQ PQ SQ by SAE/AISI4130 steel tubes

Technical Parameters:

No. Std.Sizes Lengths (m) OD*WT (mm) Steel Grade Depth(m)
1 AQ(AWL) 1.5 44.5*4.8 4130+QT/SR 300
2 AQ(AWL) 3 44.5*4.8 4130+QT/SR 300
3 BQ (BWL) 1.5 55.6*4.8 4130+QT/SR 600
4 BQ (BWL) 3 55.6*4.8 4130+QT/SR 1200
5 NQ (NWL) 1.5 69.9*5.0 4130+QT/SR 600
6 NQ (NWL) 3 69.9*5.0 4130+QT/SR 1200
7 HQ (HWL) 1.5 88.9*5.6 4130+QT/SR 600
8 HQ (HWL) 3 89.9*5.6 4130+QT/SR 1200
9 PQ (PWL) 1.5 114.3*6.3 4130+QT/SR 600
10 PQ (PWL) 3 114.3*6.3 4130+QT/SR 1200
11 SQ 1.5 139.7*7.1 4130+QT/SR 300
12 SQ 3 139.7*7.1 4130+QT/SR 600

Description:

COLD DRAWN SEAMLESS ALLOY STEEL TUBES

STEEL GRADE: SAE/AISI4130

SPECIFICATIONS: ASTM A519 WITH FOLLOWING REQUIREMENTS.

MECHANICAL PROPERTIES

Tensile Min 725MPa
Yield Min 620MPa
Elongation (50.8mmG.L) Min 15%
Hardness 230-280 HB
Condition Stress relieved.
Straightness better than: 1 in 2000 MAX (1MM DEVIATION IN 2000MM)
Eccentricity (Max) 5%
Grain size ≥ 9 according to ASTM E112
Residual Hoop stress <80Mpa according to ASTM E1928-99

DIMENSION AND TOLERANCES (IN MM)

SR.NO. OUTSIDE DIA TOLERANCE INSIDE DIA TOLERANCE WT LENGTH (+5/-0)
1 55.56 +0.18/-0 46.20 +0/-0.18 4.68 3070
2 69.85 +0.20/-0 60.32 +0/-0.20 4.765 3070
3 88.90 +0.25/-0 78.00 +0/-0.25 5.45 3070

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

Tag: steel drill rod,rock drill rods,wireline drill rods,casing drill pipes,seamless steel pipes,rock drill pipes,4130+SR

Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling

Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological DrillingCold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological DrillingCold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling


Product tags

core drilling stainless steel

,

drilling steel pipe

,

copper nickel pipe welding procedure
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Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling

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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
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling
Cold Drawn Alloy Steel Seamless Drill Pipe High Hardness For Geological Drilling

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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