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Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd

City:changsha

Province/State:hunan

Country/Region:china

Contact Person:MrLyu

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Customized Tungsten Carbide Rod Blanks High Wear Resistance

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Brand Name :PM

MOQ :10

Payment Terms :T/T

Supply Ability :1000000pcs/month

Delivery Time :1-14 work days

Diameter :2-48mm

length :40-330mm

Co% :9%

HRV :91.0-94.5

Hardness HV30 :1520-2180

Density :13.8-14.8g/cm³

Flexural Strength :9-13MPa

Fracture Toughness :430-530GPa

Elastic Mod- ulus :4.9-6.3 MNm-3/2

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Tungsten Carbide Blank Rods for Drilling tools

Our rods have different grade and right to use on different application; Specially we are produce the Nano Grain carbide (Grain＜0.2µm); Our rods are with high hardness and wear/corrosion resistance, all products with stable quality;

100% raw material;
Hip sintered, high hardness, high wear resistance;

l Dimension: diameter from 2-48mm, length up to 330mm;

l with one coolant hole or helix holes rods and blind hole rod;

l Ground(tolerance with h6/h5/h4) and unground;

Grade Information

Grade

Co%

Grain Size of WC

Hardness

　Density

Flexural Strength

Fracture
Toughness

Elastic Mod- ulus

Coefficient
of Thermal
Expansion

HRA

HV₃₀

　g/cm³

MPa

GPa

_MNm-3/2

0-6/℃

ST15D

Sub-Micron

91.2

1520

14.4

3500

500

5.3

Introduction

History

Introduction

Hunan Boyun Dongfang Powder Metallurgy Co., Ltd. was founded in 1994 by the Institute

of powder metallurgy of Central South University of Technology (now the research center

of powder metallurgy engineering of Central South University) and Hunan Yinzhou Co.,

Ltd. (now the wholly-owned member company of China Dongfang asset management

company, Bangxin Asset Management Co., Ltd.),now it is the holding subsidiary of

Hunan Boyun New Material Co., Ltd. (Stock Code: 002297), with a registered capital

of 60 million yuan.The company is a national high-tech enterprise with Academician

Huang Boyun, the top material scientist in China, as the chief scientist and honorary

chairman of the board, integrating domestic and foreign talents and technological

advantages, integrating production, learning, research and application, engaged in the

research, development, production and sales of high-performance cemented carbide.

The member of China Tungsten Industry Association, China mold industry association,

China machinery industry metal cutting tool technology association.

With strong support from Central South University, State Key Laboratory of

Powder Metallurgy, National Engineering Research Center of Powder Metallurgy,

Quality Supervision and Inspection Center of Powder Metallurgy Products of

Chinese Nonferrous Material Industry , the Company has played leading role in

three projects of “National High Technology Research and Development Program

(863 plan)”.

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tungsten carbide wear strips

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