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Product <<Gas shield flux-cored wire

 
Abrasion-Resistant Flux-cored wires
 

Item No.

Diameter (mm)

Alloying
System
 
Process required
 
HRC
 
Description &  Application
 
 
 
QTS-10-58
 
 
 
1.6
 
 
 
Patented Design
 
 
 
CO2
 
 
 
≥58
Resistance to low-stress abrasion, fluid erosion(impact angle≤60o) and impact under medium level. It is a highly-efficient hardfacing material specially designed for repairing the conveyor pan of scraper conveyor.
 
QTS-10-60
 
1.6
 
Patented Design
 
CO2
 
≥60
Resistance to low-stress and impact(impact angle≤45o).Superior to      QTS-10-58 in wear resistance
 
 
 
QTS-20-56
 
 
 
1.6
 
 
 
Patented Design
 
 
 
CO2
 
 
 
≥56
Resistance to high-stress grinding wear and fluid wear with large angle (≤75o)impact; Superior to QTS-10-58 in resistance ;Coordinating with buffering layer to make or repair the wear parts of roller crasher or great crasher
 
 
QTS-20-35
 
 
1.6
 
 
Patented Design
 
 
CO2
 
 
≥35
Resistance to large-energy abrasion, gauging wear and large angle(≤90 o)impact; service temperature up to 450oC;As buffering layer to hardface the head parts of roller, gear or hammer.
 
 
 
QTS-20-50
 
 
 
1.6
 
 
 
Patented Design
 
 
 
CO2
 
 
 
≥50
Resistance to abrasion, high-stress grinding wear and fluid wear with large angle(≤75o);Superior to QTS-20-56 in impact resistance; Coordinating with the buffering layer to make or repair the hammer of crasher.




        High-temperature Abrasion-Resistant             Flux-cored wires
 
Item No.
Diameter (mm)
Alloying
System
 
Process required
 
HRC
 
Description &  Application
 
 
 
 
 
QTS-30-58
 
 
 
 
 
1.6
 
 
 
 
 
Patented Design
 
 
 
 
 
CO2
 
 
 
 
 
≥48
Resistance to impact; metal friction, abrasion, high-stress grinding wear and large angle(≤75o) fluid erosion under 800oC.It is a preferred material to repair or hardface the sealing surface of continuous casting roller, blade of hot shear and high-temperature valve; superior to Co-Cr-W alloy in resistance to metal adhensive wear combined with the abrasion; far beyond the life of normal Cr13 alloy in hardfacing the continuous casting roller.




 
High impact-Resistant Flux-cored wires
 
Item No.
Diameter (mm)
Alloying
System
 
Process required
 
HRC
 
Description &  Application
 
 
 
 
 


QTS-4001
 
 
 
 
 


1.6
 
 
 
 
 


Cr Ni Mn
 
 
 
 
 


CO2
 
 
 
 


HB110~180
Work-hardened
HRC40~45
The deposited metal has a pure austenite structure and performs high-erosion resistance, high work-hardening index, non-manganese steels and high impact resistance. It is suitable for welding high-manganese steels and dissimilar metals; as buffering layer hardfacing the work-piece made of high-manganese steel or medium-carbon steel; repairing or hardfacing the tools,dies or buckets subject to severe impact and the crane wheels or chassis parts under high stress
 
 
 

QTS-4002
 
 
 

1.6
 
 
 

Cr Mn Ni Mo V
 
 
 

CO2
 
 

HB200~250
Work-hardened
HRC50~55
The deposited metal has a pure austenite structure and performs high erosion resistance, high work-hardened index, non-magnetic property &high plasticity.It is suitable for hardfacing rails,components working under severe impact load, or merely used as a buffering layer
 
 
 

QTS-4003
 
 
 

1.6
 
 
 

Mn Cr Ni
 
 
 

CO2
 
 

HB200~230
Work-hardened
HRC45~50
The deposited metal has a pure austenite structure and performs high work-harden index, non-magnetic property&resistance to impact.It is suitable for hardfacing worn component of high–manganese steel material and part working under severe impact load




 
Flux-cored wires for Tool,Die&Roller
 
Item No.
Diameter (mm)
Alloying
System
 
Process required
 
HRC
 
Description &  Application
 
 
 
QTS-6001
 
 
 
1.6
 
 
 
Cr Mn Mo V Si
 
 
 
CO2
 
 
 
≥55
The deposited metal has a martensite structure and performs air hardening property and good crack resistance.It can be used without preheating to hardface the blade of dies of casting iron or alloying iron.
 
 
 
QTS-6002
 
 
 
1.6
 
 
 
Cr V Mo
 
 
 
CO2
 
 
 
≥30
The deposited metal has a structure of ferrite plus dispersed carbides and performs good crack resistance.It is suitable for hardfacing the dies of gray cast iron, spherical graphiteiron or alloy iron
 
 
 
QTS-6003
 
 
 
1.6
 
 
 
Cr Mo V W
 
 
 
CO2
 
 
 
≥56
The deposited metal has a structure of martensite plus dispersed carbides and performs air-hardening property, crack-resistance to cold-welding and good resistance to extrusion,impact or metal friction.It is suitable for repairing or hardfacing cold dies or blade of cold-shears.
 
 
QTS-7001
 
 
1.6
 
 
Cr Mo V Nb
 
 
CO2
 
 
≥40
The deposited metal has a structure of lath martensite and performs good resistance to heat fatigue, heat shock and metal friction.It is maily used to hardface or repair the hot roller or the hot forging dies of 5CrMnMo,5CrNiMo,5CrNiSiW and H13.
 
 
 
QTS-7002
 
 
 
1.6
 
 
 
Cr W V
 
 
 
CO2
 
 
 
≥45
The hardfaced metal has a structure of alloy martensite and performs good resistance to heat fatigue,heat shock and metal friction.It is mainly used to hardface or repair hot forging dies,hot extruding dies and hot rollers.
 
 
 
QTS-7003
 
 
 
1.6
 
 
 
Cr Mo V W
 
 
 
CO2
 
 
 
≥52
The deposited metal has a structure of martensite plus dispersed carbides and performs good resistance to heat fatigue, heat shock and metal friction.It is mainly used to hardface or repair hot forging dies,hot extruding tools and blade of hot shears



 
Tungsten Carbide Flux-cored wires
 
Item No.
Diameter (mm)
Alloying
System
 
Process required
 
HRC
 
Description &  Application
 
 
QTS-50-55
 
 
1.6
 
WC≥45%
Granularity
60~100Mesh
 
 
CO2
 
 
≥55
The deposited layer is a composite alloy consisting of steel-based metal and casting tungsten carbide particles.The combination of the two materials gives the deposited layer a superb resistance to abrasion



Martensite in low/medium-alloy Flux-cored wires
 
Item No.
Diameter (mm)
Alloying
System
 
Process required
 
HRC
 
Description &  Application
 
 
 


QTS-8001
 
 
 


1.6
 
 
 


Cr Mn Si
 
 
 


CO2
 
 
 


≥28
The deposited metal has structure of lath martensite and performs high strength,high toughness,easy machining process and good resistance to metal abrasion.It is used to hardface or repair the transmission parts such as transmission shaft, gear, transmission chain and wheel,eccentric wheel,tram car wheel,crawler trailer drving wheel,belt-conveyor support wheel, steel-wire reel and rail
 
 
 




QTS-8002
 
 
 




1.6
 
 
 




Cr V Mo Ni
 
 
 




CO2
 
 
 




≥40
The deposited metal has structure of lath martensite and performs high strength,high toughness and resistance to impact to metal to metal abrasion.It is suitable for hardfacing or repairing the transmission parts required high hardness and wear resistance,such as rail,shaft,gear,billet roller table,continuous self-aligning wheel,crawler trailer wheel,bulldozer’s driving wheel,guild wheel,crane wheel,tramcar wheel,road roller wheel,excavator main shaft,steel-wire guild wheel.
 
 
 

QTS-8003
 
 
 

1.6
 
 
 

Cr Mo V Mn
 
 
 

CO2
 
 
 

≥55
The deposited metal has a structure of martensite plus dispersed carbides and performs good crack resistance and good resistance to abrasion and metal to metal abrasion under high impact.Normally it is used to hardface the worn parts of rock breaker and dredger. Sometimes it is also used to hardface the shafts required high wear resistance.
 
 


QTS-8005
 
 


1.6~3.2
 
 


Cr Si
 
 


CO2
 
 


≥55
The deposited metal has a structure of ferrite plus martensite and performs good toughness, good crack resistance and insensitivity to abrupt shock,hardness up to HRC45 at 450oC and good interface bonding strength with manganese steel to be welded without buffering layer.It is suitable for hardfacing the work-piece subject to high impact and moderate wear.



 
Martensite in High-alloy Flux-cored wires
 
Item No.
Diameter (mm)
Alloying
System
 
Process required
 
HRC
 
Description &  Application
 
 
 
QTS-8006
 
 
 
1.6
 
 
 
Cr Ni Mo Nb V
 
 
 
CO2
 
 
 
≥45
The deposited metal has a structure of well-distributed martensiteand performs good tensile strength and good resistance to heat fatigue and metal to metal abrasion.It is suitable for hardfacing the sealing surface of valves and the working rollers of continuous casting machine
 
 
 
QTS-9001
 
 
 
1.6
 
 
 
Cr Ni Mo Nb V
 
 
 
CO2
 
 
 
≥42
The deposited metal has a structure of well-distributed martensite and performs high tensile strength and good resistance to erosion fatigue and fluid erosion.It is suitable for repairing or hardfacing the fluid-passing parts like the blades of hydraulic turbine


 
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