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D047 hard surfacing welding electrode for roller press D047 wear-resistant welding electrode
Description: D047 low hydrogen sodium roller surfacing electrode, DC reverse connection, good welding technology, good crack resistance, cold welding does not crack, has good anti-extrusion ability and anti-wear.
Purpose: It is used for surfacing welding of extrusion roll of rolling machine and repair without disassembly. It can also be used for other mechanical parts which are resistant to extrusion wear.
Chemical composition of cladding metal /% C≤ 1.7Si ≤3 Cr 4-7 Mo 1.5-3 Other ≤10 Hardfacing hardness HRC: ≥55
D698 wear resistant electrode
: Graphite type coated surfacing electrode, AC and DC dual use.Used for surfacing welding of mineral machinery and strong wear parts of soil, sand and stone crushing.
The hardness of the deposited metal HRC≥60.
D680 abrasion resistant electrode D687 abrasion resistant electrode
Model: EDZCr - D - 15
Directions: High chromium cast iron surfacing electrode containing boron, using DC reverse connection.Stable arc, small splash, less slag, easy slag removal, surfacing layer even if the use of carbide tools is difficult to cut, can only be grinding, metallographic structure of martensite + coarse composite carbide.
Application: Used for strong wear and tear, such as small shaft of roller cone bit, coal hole excavator, lifting bucket, crusher roller, pump frame cylinder, mixture blade, etc.
Chemical composition of the deposited metal /%
C 3-4 Si≤3 Mn 1.5-3.5 Cr 22-32 B 0.5-2.5 Other ≤6
Hardfacing hardness HRC: ≥58
D678 wear resistant electrode
Model: EDZ - 131-08
Description: tungsten cast iron surfacing electrode, AC and DC.
Uses: Used for surfacing welding of abrasion-worn parts of mining machinery and crusher parts.
Chemical composition of the deposited metal /%
C 1.5-2.2W 8-10 others ≤1
Hardfacing hardness HRC: ≥50
D667 wear-resistant electrode
Model: EDZCr - C - 15
Description: Solmaiat high chromium cast iron surfacing electrode adopts DC reverse welding. The surfacing layer has wear resistance, corrosion resistance and cavitation resistance under 500℃, and the hardness of the surfacing layer decreases obviously if the temperature exceeds this.
Application: used for surfacing welding where strong wear resistance, corrosion resistance and cavitation resistance are required, such as axle sleeve of centrifugal cracking pump in petroleum industry, mine crusher, spare parts and valve cover on diesel engine, etc.
Chemical composition of the deposited metal /%
C 2.5-5 Si 1-4.8Mn ≤8 Cr 25-32 Ni 3-5 Others ≤2
Hardfacing hardness HRC: ≥48
D658 wear-resistant electrode
Description: High chromium cast iron surfacing electrode, with excellent wear resistance, working temperature up to 650℃, AC and DC dual use, stable arc, basically slag free.
Application: Used for parts with severe wear and high temperature wear.
Chemical composition of the deposited metal /%
C 3-6.5Cr 20-35 Mo 4-9 Nb 4-8.5V 0.5-2.5W 2.5-7.5
Hardfacing hardness HRC: ≥60
D656 wear-resistant electrode
Model: EDZ - A2-16
Description: Cast iron surfacing electrode, surfacing layer hardness is high, strong abrasive wear resistance has good impact resistance, oxidation resistance and cavitation resistance, AC and DC welding before the need to (300-350) ℃×1h drying.
Uses: Used for abrasive wear parts under medium impact, such as concrete mixer, high-speed sand mixer, screw feeder, blast furnace bell with working temperature less than 500℃, ore crusher, coal hole excavator, etc.
Chemical composition of the deposited metal /%
C 3-4 Si≤2.5 Mn≤1.5 Cr 26-34 Mo 2-3 Other ≤3
Hardfacing hardness HRC: ≥60
D646 wear resistant electrode
Model: EDCr - B - 16
Description: high chromium cast iron surfacing electrode, AC and DC dual use (AC welding time and space load voltage is not less than 70V), surfacing layer has good cavitation resistance.
Purpose: used for wear-resisting and corrosion resistant parts of normal and high temperature working conditions, such as turbine blades, high pressure pump parts, blast furnace bell, etc.
Chemical composition of the deposited metal /%
C 1.5-3.5Mn 1 Cr 22-32 Others ≤7
Hardfacing hardness HRC: ≥45
D642 wear resistant electrode
Model: EDZCr - B - 03
Description: High chromium cast iron surfacing electrode, AC and DC dual use, surfacing layer has good cavitation resistance.
Purpose: used for wear-resisting and corrosion resistant parts of normal and high temperature working conditions, such as turbine blades, high pressure pump parts, blast furnace bell, etc.
Chemical composition of the deposited metal /%
C 1.5-3.5Mn ≤1 Cr 22-32 Others ≤7
Hardfacing hardness HRC: ≥45
D638 wear resistant electrode
Description: high chromium cast iron surfacing electrode, with good abrasive wear resistance, AC and DC dual use, stable arc, little splash, basically no slag, high deposition efficiency.
Application: it is used for surfacing the wear-resisting parts with good wear resistance, such as hoppers, shovel blades, mud pumps, hammers and so on.
Chemical composition of the deposited metal /%
3-6.5 C Cr 25 to 40
Hardfacing hardness HRC: ≥56
D638NB wear resistant electrode
Description: High chromium cast iron surfacing electrode has good abrasion resistance.
Uses: Mainly used for repairing parts with severe abrasion resistance and high temperature wear.
Material (chemical composition % of the deposited metal) :
C 3-6.5 CR 22-35 NB 4-8.5
Hardfacing hardness HRC: ≥60
D632A wear resistant electrode
Description: high chromium cast iron surfacing electrode, AC and DC dual use, surfacing layer has good corrosion resistance, abrasion resistance and high temperature wear resistance.
Application: it is used for surfacing the parts which are required to have good corrosion resistance, abrasion resistance or wear resistance at room temperature and high temperature, such as duster, ditch digger, road roller, hammer and so on.
Chemical composition of the deposited metal /%
2.5 5 C Cr 25 to 40
Hardfacing hardness HRC: ≥56
D628 wear resistant electrode
Anti-wear material wear cast iron welding electrode, welding layer for the type of high carbon high chromium cast iron substrate + dispersed carbide phase, the surfacing layer hardness, heat resistance strength is higher, but the surfacing layer hardness and brittleness, under pressure and impact on and ability is low, in order not to affect the anti-wear material abrasion performance, should be used as much as possible small current, facilitate welding layer of hard phase crystallization.
Purpose: It is used for surfacing welding wear-resisting parts which bear slight impact load but require good wear-resisting material wear, such as hammer head of hammering coal mill.
Chemical composition of the deposited metal /%
C 3-5 Cr 20-35 Mo 4-6 V≤1
Hardfacing hardness HRC: ≥60
D618 wear resistant electrode
Note: The surfacing layer of anti-wear cast iron welding electrode is high carbon and high chromium cast iron matrix + diffuse carbide phase. The surfacing layer has high hardness, but is brittle, and has low ability to bear pressure and impact. In order not to affect the anti-wear property of the surfacing layer, small current should be used as far as possible to help the hard phase of the surfacing layer to crystallize.
Purpose: it is used for surfacing the wear-resisting parts which are subjected to light impact load but require to have better wear resistance, such as hammer and head of hammer hammer of hammer type coal mill.
Chemical composition of the deposited metal /%
C≤3 Cr15-20 Mo1-2 V≤1 W 10-20
Hardfacing hardness HRC: ≥58
D608 abrasion resistant electrode D608 graphite cast iron surfacing electrode
D608
Comply with GB/T 984 EDZ-A1-08
Description:
D608 is graphite coated CRMO cast iron surfacing electrode, can be used in both AC and DC, more suitable for DC power reverse connection.Because the surfacing metal is Cr and Mo carbides of cast iron, the surfacing layer has higher hardness and wear resistance, and has good resistance to the abrasion of silt and ore.
USES:
Used for agricultural machinery, mining equipment and other parts to bear sand wear and slight impact.
Chemical composition of deposited metal (%)
C
Cr
Mo
Ensure that the value
2.50 ~ 4.50
3.00 ~ 5.00
3.00 ~ 5.00
Cases of value
3.40
3.56
4.00
Hardness of surfacing layer:
55 HRC acuity
Reference current (DC+)
Electrode Diameter (mm)
Phi is 3.2
Phi is 4.0
Phi is 5.0
Welding current (A)
90 ~ 120
130 ~ 160
170 ~ 210
Note:
1. The electrode shall be baked at 250℃ for 1h before welding.
2. During surfacing welding, welding parts preheat 400~500℃;If the surfacing thickness allows a layer of J507 welding electrode surfacing, then surfacing while hot, slow cooling after welding.
3. The surfacing layer cannot be machined, but can only be ground.
D047 hard surfacing welding electrode for roller press D047 wear-resistant welding electrode
Description: D047 low hydrogen sodium roller surfacing electrode, DC reverse connection, good welding technology, good crack resistance, cold welding does not crack, has good anti-extrusion ability and anti-wear.
Purpose: It is used for surfacing welding of extrusion roll of rolling machine and repair without disassembly. It can also be used for other mechanical parts which are resistant to extrusion wear.
Chemical composition of cladding metal /% C≤ 1.7Si ≤3 Cr 4-7 Mo 1.5-3 Other ≤10 Hardfacing hardness HRC: ≥55
D698 wear resistant electrode
: Graphite type coated surfacing electrode, AC and DC dual use.Used for surfacing welding of mineral machinery and strong wear parts of soil, sand and stone crushing.
The hardness of the deposited metal HRC≥60.
D680 abrasion resistant electrode D687 abrasion resistant electrode
Model: EDZCr - D - 15
Directions: High chromium cast iron surfacing electrode containing boron, using DC reverse connection.Stable arc, small splash, less slag, easy slag removal, surfacing layer even if the use of carbide tools is difficult to cut, can only be grinding, metallographic structure of martensite + coarse composite carbide.
Application: Used for strong wear and tear, such as small shaft of roller cone bit, coal hole excavator, lifting bucket, crusher roller, pump frame cylinder, mixture blade, etc.
Chemical composition of the deposited metal /%
C 3-4 Si≤3 Mn 1.5-3.5 Cr 22-32 B 0.5-2.5 Other ≤6
Hardfacing hardness HRC: ≥58
D678 wear resistant electrode
Model: EDZ - 131-08
Description: tungsten cast iron surfacing electrode, AC and DC.
Uses: Used for surfacing welding of abrasion-worn parts of mining machinery and crusher parts.
Chemical composition of the deposited metal /%
C 1.5-2.2W 8-10 others ≤1
Hardfacing hardness HRC: ≥50
D667 wear-resistant electrode
Model: EDZCr - C - 15
Description: Solmaiat high chromium cast iron surfacing electrode adopts DC reverse welding. The surfacing layer has wear resistance, corrosion resistance and cavitation resistance under 500℃, and the hardness of the surfacing layer decreases obviously if the temperature exceeds this.
Application: used for surfacing welding where strong wear resistance, corrosion resistance and cavitation resistance are required, such as axle sleeve of centrifugal cracking pump in petroleum industry, mine crusher, spare parts and valve cover on diesel engine, etc.
Chemical composition of the deposited metal /%
C 2.5-5 Si 1-4.8Mn ≤8 Cr 25-32 Ni 3-5 Others ≤2
Hardfacing hardness HRC: ≥48
D658 wear-resistant electrode
Description: High chromium cast iron surfacing electrode, with excellent wear resistance, working temperature up to 650℃, AC and DC dual use, stable arc, basically slag free.
Application: Used for parts with severe wear and high temperature wear.
Chemical composition of the deposited metal /%
C 3-6.5Cr 20-35 Mo 4-9 Nb 4-8.5V 0.5-2.5W 2.5-7.5
Hardfacing hardness HRC: ≥60
D656 wear-resistant electrode
Model: EDZ - A2-16
Description: Cast iron surfacing electrode, surfacing layer hardness is high, strong abrasive wear resistance has good impact resistance, oxidation resistance and cavitation resistance, AC and DC welding before the need to (300-350) ℃×1h drying.
Uses: Used for abrasive wear parts under medium impact, such as concrete mixer, high-speed sand mixer, screw feeder, blast furnace bell with working temperature less than 500℃, ore crusher, coal hole excavator, etc.
Chemical composition of the deposited metal /%
C 3-4 Si≤2.5 Mn≤1.5 Cr 26-34 Mo 2-3 Other ≤3
Hardfacing hardness HRC: ≥60
D646 wear resistant electrode
Model: EDCr - B - 16
Description: high chromium cast iron surfacing electrode, AC and DC dual use (AC welding time and space load voltage is not less than 70V), surfacing layer has good cavitation resistance.
Purpose: used for wear-resisting and corrosion resistant parts of normal and high temperature working conditions, such as turbine blades, high pressure pump parts, blast furnace bell, etc.
Chemical composition of the deposited metal /%
C 1.5-3.5Mn 1 Cr 22-32 Others ≤7
Hardfacing hardness HRC: ≥45
D642 wear resistant electrode
Model: EDZCr - B - 03
Description: High chromium cast iron surfacing electrode, AC and DC dual use, surfacing layer has good cavitation resistance.
Purpose: used for wear-resisting and corrosion resistant parts of normal and high temperature working conditions, such as turbine blades, high pressure pump parts, blast furnace bell, etc.
Chemical composition of the deposited metal /%
C 1.5-3.5Mn ≤1 Cr 22-32 Others ≤7
Hardfacing hardness HRC: ≥45
D638 wear resistant electrode
Description: high chromium cast iron surfacing electrode, with good abrasive wear resistance, AC and DC dual use, stable arc, little splash, basically no slag, high deposition efficiency.
Application: it is used for surfacing the wear-resisting parts with good wear resistance, such as hoppers, shovel blades, mud pumps, hammers and so on.
Chemical composition of the deposited metal /%
3-6.5 C Cr 25 to 40
Hardfacing hardness HRC: ≥56
D638NB wear resistant electrode
Description: High chromium cast iron surfacing electrode has good abrasion resistance.
Uses: Mainly used for repairing parts with severe abrasion resistance and high temperature wear.
Material (chemical composition % of the deposited metal) :
C 3-6.5 CR 22-35 NB 4-8.5
Hardfacing hardness HRC: ≥60
D632A wear resistant electrode
Description: high chromium cast iron surfacing electrode, AC and DC dual use, surfacing layer has good corrosion resistance, abrasion resistance and high temperature wear resistance.
Application: it is used for surfacing the parts which are required to have good corrosion resistance, abrasion resistance or wear resistance at room temperature and high temperature, such as duster, ditch digger, road roller, hammer and so on.
Chemical composition of the deposited metal /%
2.5 5 C Cr 25 to 40
Hardfacing hardness HRC: ≥56
D628 wear resistant electrode
Anti-wear material wear cast iron welding electrode, welding layer for the type of high carbon high chromium cast iron substrate + dispersed carbide phase, the surfacing layer hardness, heat resistance strength is higher, but the surfacing layer hardness and brittleness, under pressure and impact on and ability is low, in order not to affect the anti-wear material abrasion performance, should be used as much as possible small current, facilitate welding layer of hard phase crystallization.
Purpose: It is used for surfacing welding wear-resisting parts which bear slight impact load but require good wear-resisting material wear, such as hammer head of hammering coal mill.
Chemical composition of the deposited metal /%
C 3-5 Cr 20-35 Mo 4-6 V≤1
Hardfacing hardness HRC: ≥60
D618 wear resistant electrode
Note: The surfacing layer of anti-wear cast iron welding electrode is high carbon and high chromium cast iron matrix + diffuse carbide phase. The surfacing layer has high hardness, but is brittle, and has low ability to bear pressure and impact. In order not to affect the anti-wear property of the surfacing layer, small current should be used as far as possible to help the hard phase of the surfacing layer to crystallize.
Purpose: it is used for surfacing the wear-resisting parts which are subjected to light impact load but require to have better wear resistance, such as hammer and head of hammer hammer of hammer type coal mill.
Chemical composition of the deposited metal /%
C≤3 Cr15-20 Mo1-2 V≤1 W 10-20
Hardfacing hardness HRC: ≥58
D608 abrasion resistant electrode D608 graphite cast iron surfacing electrode
D608
Comply with GB/T 984 EDZ-A1-08
Description:
D608 is graphite coated CRMO cast iron surfacing electrode, can be used in both AC and DC, more suitable for DC power reverse connection.Because the surfacing metal is Cr and Mo carbides of cast iron, the surfacing layer has higher hardness and wear resistance, and has good resistance to the abrasion of silt and ore.
USES:
Used for agricultural machinery, mining equipment and other parts to bear sand wear and slight impact.
Chemical composition of deposited metal (%)
C
Cr
Mo
Ensure that the value
2.50 ~ 4.50
3.00 ~ 5.00
3.00 ~ 5.00
Cases of value
3.40
3.56
4.00
Hardness of surfacing layer:
55 HRC acuity
Reference current (DC+)
Electrode Diameter (mm)
Phi is 3.2
Phi is 4.0
Phi is 5.0
Welding current (A)
90 ~ 120
130 ~ 160
170 ~ 210
Note:
1. The electrode shall be baked at 250℃ for 1h before welding.
2. During surfacing welding, welding parts preheat 400~500℃;If the surfacing thickness allows a layer of J507 welding electrode surfacing, then surfacing while hot, slow cooling after welding.
3. The surfacing layer cannot be machined, but can only be ground.
