Трубчатые высокотвердые сварочные прутки, литой вольфрамовый карбидный стержень для твердых фаз

Product Overview

Description

Tubular High Hardness Surfacing Welding Rods Cast Tungsten Carbide Rod For Hardfacings Hard Phase

Product Description                                                                                  

 

• Material introduction

Cast tungsten carbide is a carbide with a high hardness,a high melting point and high wear resistance. with tungsten metalpowder and tungsten carbide as the starting materials,it is prepared as mixed powder at a ceratin ratio and the mixed powder is put into graphite boats,and then it is smelts into a lattice structure of WC and W2C. It becomes cast tungsten carbide lumps after casting and cooling. It is then crushed and sieved to prepare cast tungsten carbide of different grain sizes,i.e.cast tungsten carbide in powder form. it can also be put into steel tubes of different diameters based on different grain sizes,i.e.tubular cast tungsten carbide welding rods.

 

• Range of applications of cast tungsten carbide

Cast tungsten carbide as a wear resistant strengthening material has a wide range of applications and these mainly are:

1.Mining industry:Build-up welding of parts of rock crushers,auger tips,twist drills,scraping plates of scrapers,teeth's coronas of drilling tools,fishtail drills,teeth of tricone bits and support claws of tricone bits,etc.

2.Civil construction: the edges of shovelling buckets, parts of bulldozers,scraping plates,parts of earth agitators,clawer beltsof tractors,etc.

3.Agriculture: for columnar teeth of threshers,edges of drills,ploughs,teeth of shovels,etc.

4.Architecture: for spiral crushers for cement,cement loaders,bick scrapers,cutters,earth mixing machines,kiln digging shovels,etc.

5.Miscellaneous:Build-up welding can be used in industries of  steel, machinery, sugar, wood, papermarking and on hammers for crushing coal in power plants,etc.Substantially increasing the lifeti-me of parts and components.

• Two way of the build-up welding of cast tungsten carbide 

1.Build-up welding with Oxygen-acetylene

Tubular cast tungsten carbide is build -up welded mainly by means of Oxygen-acetylence flames,Cas tungsen cabride grains do not melt themselves and they adhere to the workpieces with the help of molten steel tubes and substrate metals, normally the tempetature for build-up welding is 1600-1700ºc. there will be no change in the structure of cast tungsen carbide at such atemperatures and it still keeps its original high hardness and wear resistanc.

2.Build-up welding with electric arc

It has the follwing advantages as compared to the welding of cast tungsten carbide with Oxygen-acetylene: it is easy to opetate with high efficiency:the quality is good with few air pockets:the materials welded with cast tungsten carbide have a wide range of applications: There is tight adhesion between the welded layer and the substrate:A big surface area can be welded.

 

 

 

• Cast Tungsten Carbide Chemical Compositions(%)

W	Total carbon	Free carbon	Chlorinated residues	Fe	Cr	V	Ti,Ta,Nb	Other impurities(Co,Ni,Mo,etc.)
95~96	3.9+-0.1	0.08	0.1	0.5	0.2	0.2	0.2	0.3

 

•  Cast Tungsten Carbide Physical and mechanical properties

  Hardness (HRA)	Micro hardness(kg/mm2)	TRS(kg/mm2)	Density(g/cm3)	Melting PointºC	Relative wear resistance with that of YG6 as 1
  93~93.7	2500~3000	48.2	16.5	2525	3.46~4.10

 

• Grade and Application

 

 Packing&shipping                                                                                    

 

Our factory the main product as below:

Tungsten carbide composite rod

Cast tungsten carbide welding rod

Tungsten Electrode

Trimming Die

Punch

Endmill

Tungsten carbide rotary burrs

Tungsten carbide Rod/Bar/Plate/Strips

Tungsten carbide circular cutter

Tunsgten Carbide Wear-Parts

Mining Tools

Customize products

Special Cemented Carbide Products

 

Our services                                                                                             

Quick Response: Your inquiry will be replied within 24 hours.

High Quality: Strict control in produce for high quality as a manufacture and Well-trained                                   workers and more than 20 years experience.

Competitive Price: Directly from factory to save your money.

Short Lead Tim: Being efficient:3-5 days for samples and in stock and 20-30 days for large orders.

Flexibility: Small orders are acceptable for quick delivery and to help you reduce stock cost.

Packing: Suitable packing according to customer's requirements

OEM: Custom fabrication according to your drawings ,samples or designs.( Including client's own brand )

FAQ                                                                                    

Q: Are you trading company or manufacturer ?

A: We are manufacturer.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, 20-30days for large orders, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q:Do you accept OEM Brand?

A:  Yes, OEM Brand is accepted. We can also design label for you for free

Q:How could you ensure the quality?

A:Only high quality and stable batch products can ensure user's safety and consistent effect.To ensure this, all our products   will pass the semi-product testing, finished-product

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Q:Do you have after-sales service?
 A: Certainly, you can contact us at any time.

If you have another question, pls feel free to contact us as below

 

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