Высокое качество ZT850 BQ /NQ/HQ/PQ /PHD стандарт бурильных труб NQ HQ буровая Штанга

Сохранить в закладки 1601220353041:


Цена:5 940,35 ₽ - 7 020,41 ₽*

Количество:

  • В избранное

Описание и отзывы

Характеристики


 


 


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                            Since 1958,60+years in core drilling    ISO9001


 


Products Description


 


Our company’s Wire line drill rods are manufactured from the best quality heat-treated seamless steel tubes (30CrMnSiA or ZT850).


Ultimate tensile strength, yield strength, high precision and good straightness provide the best performance under different drilling conditions.


1. Material: 30CrMnSiA or ZT850


2. Heat treatment: high-frequency hardening to guarantee perfect match between strength and toughness.

3. Thread harden: Surface hardness reach 55-57HRC;
4. Quality controlled: All the processes during manufacturing.
5. Length: 3m / 1.5m / customization.
6. MOQ: 1 PCS.
7. Delivery Time: Large stock, ready to ship.

 


TUBING

• High quality allow steel tubing.

• 100% inspection ensures consistent concentricity, straightness and heat treatment.

THREAD

• Larger, deeper threads (2.5 threads per inch) provide maximum durability.

• Load efficiency of 40% provides sufficient strength for large hole sizes


 













































MECHANICAL PROPERTIES



Steel Grade


30CrMnSiA or ZT850


Yield Strength (Mpa)


850


Tensile Strength (Mpa)


1050


Hardness (HRC)


55-57



TOP SELLING MODELS



Wireline Series


 BQ, NQ, HQ,PQ/PHD
 



"CH" Series


CNH.CHH.CPH


"S" Series


SC56.S59,S73,S95,S110,S130


"TW"Series


BTW, NTW, HTW


 


 













































NOSpe.Length(M)OD/IDThicknessMaterial
1BQ355.6*464.8ZT850
2NQ370.1*60.15.5ZT850
3HQ388.9*77.85.55ZT850
4PQ3115.0*101.66.5ZT850

 


333


 


Package


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Quality control 


1. We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous steel mills(factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.


2. Immediate inspection will be done for each production procedure, and full examination will be implemented for threaded products.


3. Our outsourcing products will also be strictly examined before utilization.


4. Our sampling rate for final products is higher than 30%.


 



Company Profile


 


- Established since 1958, More than 60 years experience on core drilling tools manufacturing.

- Building area 53208 M2. Land area  80815M2.

- Around  200 employees.

- More than 4000 tons of raw material turnover in order to make sure delivery on time.

- Market share reaches 70% in domestic drilling industry.

- Raw material of steel from famous steel factory.

 


 


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We have Friction welding production line,Thread casing hardening process production line .


Joint production line,Drill pipe production line, Automatic thickening production line,Bit sintering line,Turn-milling line.Shot blasting and flaw detection production line.Mechanical arm production line.


 


chejian8


 


why choose us 


 


Products are used in many national major projects


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 Warehouse 


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11


Certification


.Passed the certification of ISO 9001:2000 quality system.
.Passed OHSAS18000 Occupational Health and Safety Management System Certification .
.We have more than 70 items independent intellectual property patents,Our new generation
 wire line drill rod has broken the depth record of domestic diamond drilling.


 


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