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Drill rods of BWL,NWL,HWL,PWL drill pipes

$1500

≥1
Ton

Payment Type:

L/C,T/T,D/P,Paypal

Incoterm:

FOB,CFR,CIF

Min. Order:

1 Ton

Transportation:

Ocean,Land

Port:

Ningbo,Shanghai

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Overview

Product Attributes

Model No.: AWL BWL NWL HWL PWL drill pipes

Brand: HuiJie

Standard: Bs, Astm, Jis, Din

Material: Cr-Mo Alloy, Alloy Steel 4130 4140 45MnMoB

Section Shape: Round

Place Of Origin: China

Production Process: Cold Drawn

Certification: Ce

Special Tube: Thick Wall Pipe

Category: Seamless Steel Pipe

Processing Service: Cutting

Type: Seamless

Section Shape: Round

Usage: Special Purpose

Technique: Cold Drawn

Surface Treatment: Black

Grain Size: Min ASTM 8

Size Range: OD:6-120mm,Wt:1-20mm

Heat-treatment: Stress Released Or Quenching

Specification: AQ,BQ,NQ,HQ,PQ

Length: 3000mm 3050mm 3100mm

Similar Steel Grade: SAE1541,4130,4140

Application: Diamond Rock Drill Pipes

Supply Ability & Additional Information

Packaging: Bundles Packing with plastic bags wrapped

Productivity: 3000tons per month

Transportation: Ocean,Land

Place of Origin: Made in China

Supply Ability: 3000tons/month

Certificate: TS16949 ISO9001

HS Code: 7304.3110

Port: Ningbo,Shanghai

Payment Type: L/C,T/T,D/P,Paypal

Incoterm: FOB,CFR,CIF

Packaging & Delivery

Selling Units:: Ton

Package Type:: Bundles Packing with plastic bags wrapped

Picture Example:

Wire-Line Diamond Core Drill rods of BWL,NWL,HWL,PWL Drill Pipes BL850,BL950

HUIJIE 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 pipes and outer casing tubes.We have the steel grade

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

The detail Seamless Steel Pipes of materials:SAE4130,45MnMoB,30CrMnSiA,SAE4140

SPECIFICATIONS: A519 Seamless Mechanical Tubing for drill rods.

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/BWL drill pipe	Quenched and Tempered	55.6x46	500	18.5	3050
NQ/NWL drill pipe	Quenched and Tempered	69.9х60.3	1000	24.6	3050
HQ/HWL drill pipe	Quenched and Tempered	88.9x77.8	1000	35.3	3050
PQ/PWL drill pipe	Quenched and Tempered	114.3x101.6	500	47.5	3050

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 drill rod	Deviation of the diameter is 55.75+0,2/-0,2mm, 46.15 +0,2/-0,2mm
Tolerance for NQ drill rod	Deviation of the diameter is 70.1+0,15/-0,2mm, 60.4-0,3mm
Tolerance for HQ drill rod	Deviation of the diameter is 89+0,38/-0,1mm, 78.1-0,48mm
Tolerance for PQ drill rod	Deviation of the diameter is 114.3+0,50, 103.2-0,5mm
Eccentricity	Not more than 7%