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SAE4130 45MnMoB 30CrMnSIA Steel 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.: BQ NQ HQ PQ inner and outer tubes

Brand: HuiJie

Standard: Astm, Din, Jis, Bs

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

Usage: Special Purpose

Type: Seamless

Technique: Cold Drawn

Surface Treatment: Black

Section Shape: Round

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:

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 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%