Low-Stress Abrasion-Resistant Flux-Cored Wire

Item No.

Diameter

Alloying  System

Process Required

HRC

Description& Application

FW-1001

2.8～3.2

Cr Mn Si B+

Open/Submerged  arc welding

≥60

Application on resistance to low-stress abrasion without impact (or with low impact) and low-angle（≤45º）erosion. The hardness of a single deposited layer (3~4 mm) is not less than HRC58.

FW-1002

2.8～3.2

Cr Mn Mo B+

Open/Submerged  arc welding

60～65

Application on resistance to low-stress abrasion and low-angle（≤30º）erosion. The hardness of a single deposited layer (3~4 mm) is not less than HRC60.

FW-1003

2.8～3.2

Cr Mo Nb V W B+

Open/Submerged  arc welding

62～66

Application on resistance to low-stress abrasion and low-angle（≤30º）impact. Service temperature can be up to 700℃. The hardness of a single deposited layer (3~4 mm) is not less than HRC62.

This series of hardfacing materials is designed and finalized based on a National Innovation Patent .The deposited metal consists the hard phase of“Carboborides” . It offers higher hardness and superior wear resistance comparing with the prevailing high-chromium alloys with the hard phase of “ Carbides” .Meanwhile it performs a self-fluxing property to form a unique weld bead and it is especially suitable for hardfacing the “Composite Wear Plates”. This series of hardfacing materials has won the second prize of the Science & Technology Award of Shandong Province and it is also an important part of two National New Product Programs and one National Torch Program.

Gouging Abrasion-Resistant & High-Stress Grinding Abrasion-Resistant Flux-Cored Wire

Item No.

Diameter

Alloying  System

Process Required

HRC

Description& Application

FW-2001

2.8～3.2

Cr W V

≥35

Application on resistance to abrasion with moderate impact, gouging abrasion, high-stress grinding abrasion and high-angle（≤75º） erosion. Service temperature can be up to 450℃. Application for hardfacing crushing roller, grinding roller and crushing hammer along with the item FW-8000, FW-8002&  FW-2002.

FW-2002

2.8～3.2

Cr Ni Mo VTi+

Open/Submerged  arc welding

52～58

Application on resistance to abrasion with moderate impact, gouging abrasion, high-stress grinding abrasion and high-angle（≤60º） erosion. Service temperature can be up to 500℃. Application for  hardfacing crushing roller, grinding roller and crushing hammer along with the item FW-8000 , FW-8002 & FW-2001.

FW-2003

2.8～3.2

Cr Ni Mo V B+

Open/Submerged  arc welding

57～62

A national innovation patented product with self-fluxing property. Application on resistance to abrasion with moderate impact, gouging abrasion, high-stress grinding abrasion and moderate-angle（≤60º） erosion. Service temperature can be up to 500℃. Application for  hardfacing crushing roller, grinding roller and crushing hammer along with the item FW-8000 & FW-4002.

This series of hardfacing materials is developed aiming at high-stress grinding abrasion and gouging abrasion with moderate impact. It is largely used for hardfacing and repairing the roller parts such as crusher rollers and rolling machine rollers. It is also a key hardfacing material to make the “Composite Wear Plates”. This series of hardfacing materials has won the second prize of the Science & Technology Award of Shandong Province and it is also the important part of a National New Product Program and a National Torch Program.

High Impact-Resistant Flux-Cored Wire

Item No.

Diameter

Alloying  System

Tungsten Carbide Flux-Cored Wire

Item No.

Diameter

Alloying  System

Process Required

HRC

Description& Application

FW-5001

3.2～4.0

WC≥50%

Granularity:

60～100Mech

Open/Submerged  arc welding

≥60

The deposited layer is a composite alloy which consists of steel-based metal and casting tungsten carbide particles（60～100Mech）.The combination of the two materials gives the deposited layer a superb resistance to abrasion .

FW-5002

3.2～4.0

WC≥50%

Granularity:

30～60Mech

Open/Submerged  arc welding

≥60

The deposited layer is a composite alloy which consists of steel-based metal and casting tungsten carbide particles（30～60Mech）.The combination of the two materials gives the deposited layer a superb resistance to abrasion .

Flux-Cored Wire for Tool, Die& Roller

Item No.

Diameter

Alloying  System

Process Required

HRC

Description& Application

FW-7001

1.6～3.2

Cr Mo V Nb

Open/Submerged  arc welding

≥40

The deposited metal has lathy Martensite structure and performs better resistance to thermal fatigue, thermal shock and metal to metal abrasion. It is mainly used for hardfacing or repairing hot forging dies made of 5CrMnMo, 5CrNiMo, 5CrNiSiW or H13 etc. It is also used for hardfacing or repairing hot rollers.

FW-7002

1.6～3.2

Cr W V

Open/Submerged  arc welding

≥45

The deposited metal has lathy Martensite structure and performs better resistance to thermal fatigue, thermal shock and metal to metal abrasion. It is mainly used for hardfacing or repairing hot forging die, hot extrusion die and hot roller etc.

FW-7003

1.6～3.2

Cr Mo V W

Open/Submerged  arc welding

52～58

The deposited metal has a structure of Martensite with dispersed carbide and performs good resistance to hot fatigue, hot shock and metal to metal abrasion. It is mainly used for hardfacing or repairing hot-shear blade, hot-punching die and hot-extrusion tool etc.

Flux-Cored Wire for Buffering Layer of Mill Roller

Item No.

Diameter

Alloying  System

Process Required

HB

Description& Application

FW-8000

1.6～3.2

——

Open/Submerged  arc welding

110～160

The deposited matel has an ultra-low ferrite structure. It can be served as a buffering layer between base metal ( low-alloy steel or various carbon steel) and final deposited layer , which achieves a good alloying combination preventing the deposited layer from splitting-off.

Martensite in Low/Medium-Alloy Flux-Cored Wire

Item No.

Diameter

Alloying  System

Process Required

HRC

Description& Application

FW-8001

1.6～3.2

Cr Mn Si

Open/Submerged  arc welding

30～38

The deposited metal has a lathe Martensite structure and performs a good resistance to metal to metal abrasion and higher strength & toughness to be machined easily. Application for hardfacing or repairing transmission components such as transmission shaft, gear, transmission chain wheel, eccenter, tramcar wheel, creeper tractor leading wheel, belt-conveyor support wheel, steel wire hinge wheel and rail.

FW-8002

1.6～3.2

Cr Mo V Ni

Open/Submerged  arc welding

40～45

The deposited metal has a lathe Martensite structure and performs good toughness, good resistance to impact and metal to metal abrasion. Application for hardfacing or repairing of transmission components which need higher performance of hardness& abrasion resistance, such as rail, shaft, gear, billet roller track, creeper tractor, bulldozer leading wheel, guide wheel, crane wheel, tramcar wheel, road roller wheel, excavator main axis, steel wire guide wheel. Sometimes it is also used as a hardness gradient buffering layer for making various crashing rollers, grinding rollers and crashing hammers, along with the item FW-8000, FW-2001& FW-2002.

FW-8003

1.6～3.2

Cr Mo V Nb

Open/Submerged  arc welding

55～60

The deposited metal has a structure of Martensite with dispersed carbide and performs good crack resistance, good resistance to metal to metal abrasion with high impact. It is usually used for hardfacing worn component of stone-crushed machine and dredging machine. Sometimes it is also used for hardfacing shaft which needs high abrasion resistance.

FW-8005

1.6～3.2

Cr Si

Open/Submerged  arc welding

55～58

The deposited metal has structures of Ferrite and Martensite, performing good toughness and  crack resistance. It is not susceptible to sudden impact and suitable for hardfacing component with high- impact and proper abrasion. The deposited metal remains a hardness of HRC45 even at 450℃. It also performs a good strength of interface combination with high Manganese steel which can be hardfaced without a buffering layer.

Martensite in High-Alloy Flux-Cored Wire

Item No.

Diameter

Alloying  System

Process Required

HRC

Description& Application

FW-8006

2.0～3.2

Cr Ni Mo Nb V

Open/Submerged  arc welding

42～48

The deposited metal has a uniform Martensite structure and performs high tensile strength, good resistance to hot fatigue and metal to metal abrasion.  It is suitable for hardfacing or repairing  valve seals, roller surface of continuous casting machine. The deposited metal also performs good resistance to erosion and cavitation damage, so it is also suitable for hardfacing or repairing flow-passage component like blade of hydraulic turbine.