Double Metal Chromium Carbide Overlay Wear Pipes

 

Abrasion resistant chromium carbide overlay pipes are designed for use in applications where severe abrasion in combination with moderate impact and heat occurs in the inner diameter of pipes or elbows. made utilizing an overlay process that involves open arc deposition of chromium carbide in a manganese and steel matrix. One pass on the inner pipe surface yields 60HRC while two passes yield a surface hardness of 63HRC. The overlay is rated to be stable at 900°F and a special high temperature version, ,It is available for applications up to 1200°F or 1800°F with stainless steel backing pipe. Available down to a 2 inch diameter and is applied spirally to avoid seams that are parallel to the direction of the material flow.

 

Overview:

Wear pipes are composed of the wear base material and the wear layer, the wear layer is generally accounts for 1/3or 2/3 of total thickness;

The wear layer and the base material is combined through metallurgy, so that the wear layer can’t fall off, and can bear stronger impact.

 The wear pipes are processed and molded by two methods, one is that chromium carbide overlay wear plate is rolled by roller press. the other is that we firsthand weld in the seamless steel pipe.

The performance of wear layer in the pipes is the exactly same with chromium carbide overlay wear plate.

The wear pipes’ connection methods are flange connection and welding  ;

The wear pipes can be processed into elbow、tee branch、Square to round Transitions、frustum、Square tube， etc.

 

Wear Resistant Pipe ( CCO Pipe ) Specification:

 

Wear Resistant Pipe Material	High-quality wear pipe/ fitting /Elbow with a Chromium Carbide Overlay Welding layer
Wear Pipe and Fitting Minimum Inner Diameter	80mm
Thickness	3+3mm, 4+4mm, 5+5mm,6+6mm....20+20mm, 40+30mm /Customizied
Hardness	HRC 58-63
Length	Customizable as per requirements
Pipe and Fitting Diameter Options	1" to 6"
Wear Elbow Angle Options	45°, 90°, 180°
Wear Elbow Radius	Customizable as per requirements

 

Surface Finish:        

 

 

Applications:

 

Brand	Hardplate
Base Plate	Q235/2345
Hardfacing Layer	High chromium high carbide overlay
Chemical Composition	C(%):3-5 Cr(%):20-26
Hardness	HRC58-63
Surface Treatment	Hardfacing, clading,coated
Minimum Inner Diameter	80mm
Wear Resistance	High wear resistance
Thickness	4+4,5+5,6+5,8+5,8+8,10+8,10+10...etc
Place of Origin	China
Application	Mining, Steel,Cement,Power,Port,Glass,Steel and Iron,Engineering Machinery,etc.

 

 

                                                                                                                                               

 

R & D    ABILITY     

♦Liaoning high-tech enterprise,wear-resistant overlay welding demostration center of MIIT       

♦More than 50 national patents including invention patents   

♦Well-equipped laboratory with high-end metallographic analysis equipment, spark- optical emission spectrometer.Carbon sulfur analyzer,spectro-photometer,grain-abrasion testing machine,rockwel hardness apparatus,impacttesting machine

♦Participate in setting wear-resistant pipe standard for DL/T power industry   

♦Member of China Welding Association      

♦Industry-university-research cooperation enterprise of Liaoning petrochemical University  

 

FAQ

Q1: Why are there so many cracks?

A1. Due to the cooling rates of dissimilar metals. Our hard facing plate for coal chute liner is manufactured by welding which results in high temperatures. During the cooling, the plate goes through a stress relieving which is a natural process and does not effect the performance of the plate. The stress relief cracks should be between 3/4" - 2" apart. The cracks can be touched up by our chrome carbide welding rod.

 

Q2: What is the best method of attachment?

A2. hard facing plate for coal chute liner is usually attached by countersunk bolts, welding studs, perimeter welding, or plug welding. Some methods are better suited than others depending on the specific application. For more detail on each method see the installation section.

 

Q3: Can hard facing plate for coal chute liner be drilled or machined?

A3. hard facing plate for coal chute liner cannot be machined or drilled. It can however be ground. Mild steel inserts are used to create countersunk or counter bored holes. hard facing plate for coal chute liner can be cut using plasma, Grinding wheel saw, or air-arc gouging.

 

Q4:MOQ?

A4.Our product has no limit to quantity, it can be ordered according to customer requirement.