Home - Introduction to Products - surfacing electrode
+ Electrode
- stainless steel electrode
- the table of special electrode
- carbon steel electrode
- low-alloy & high strength steel electrode
- molybdenum & chrome molybdenum heat-resistant steel electrode
- surfacing electrode
+ Welding wire
- copper-plating submerged arc welding wire & CO2 gas welding wire
+ White steel welding wire
- stainless steel welding wire
+ Flux
- Flux101
- Flux301
- Flux501
the table of chemical composition and hardness of surfacing electrode
electrode brand GB power supply power supply main application specification
AH-D107 EDPMn2-15 low hydrogen sodium type DC used for surfacing with low hardness at normal temperature and repairing low & medium carbon steel and low alloy steel wear-resistant parts such as axis Ø3.2-Ø5.0
AH-D112 EDPCrMo-A1-03 lime-titania type AC,DC Ø3.2-Ø5.0
AH-D127 EDPMn3-15 low-hydrogen type DC used for surfacing with medium hardness at normal temperature and repairing low & medium carbon steel and low alloy steel worn parts such as axle and road wheel Ø3.2-Ø5.0
AH-D132 EDPCrMo-A2-03 lime-titania type AC,DC used for surfacing with medium hardness at normal temperature such as mining machinery worn parts Ø3.2-Ø5.0
AH-D172 EDPCrMo-A3-03 lime-titania type AC,DC used for surfacing with high hardness at normal temperature such as digger and mininf parts Ø3.2-Ø5.0
AH-D212 EDPCrMo-A4-03 lime-titania type AC,DC used for surfacing with high hardness at normal temperature such as mining equipment and digger Ø3.2-Ø5.0
AH-D256 EDMn-A-16 low hydrogen potassium type AC,DC used for surfacing the face of easy wear-out parts in crusher and high manganese steel Ø3.2-Ø5.0
AH-D266 EDMn-B-16 low hydrogen potassium type AC,DC Ø3.2-Ø5.0
AH-D276 EDCrMn-B-16 low hydrogen potassium type AC,DC used for surfacing water turbine parts suffering from air-corrosion and high emperature steel parts with weak wearability and strong tenacity Ø3.2-Ø5.0
AH-D317 EDRCrMoWV-A3-15 low hydrogen sodium type DC used for surfacing die and common cutting tools Ø3.2-Ø5.0
AH-D317A low hydrogen sodium type DC used for surfacing standing wear and tear of strong impact, resisting corrosion and air corrosion Ø3.2-Ø5.0
AH-D322 EDRCrMoWV-A1-03 lime-titania type AC,DC used for surfacing all kinds of die cutters and repairing mechanical parts with good wearability Ø3.2-Ø5.0
AH-D327 EDRCrMoWV-A1-15 low hydrogen sodium type DC Ø3.2-Ø5.0
AH-D327A EDRCrMoWV-A2-15 low hydrogen sodium type DC Ø3.2-Ø5.0
AH-D337 EDRCrW-15 low hydrogen sodium type DC used for surfacing forging die in cast steel and forging steel and repairing it Ø3.2-Ø5.0
AH-D397 EDRCrMnMo-15 low hydrogen sodium type DC used for surfacing hot forging die in cast steel and forging steel and repairing 5CrMnMo and 5CrNiSiW old forging die Ø3.2-Ø5.0
AH-D502 EDCr-A1-03 lime-titania type AC,DC used for surfacing high-temperature middle-pressure valve with working temperature below 540℃ Ø3.2-Ø5.0
AH-D507 EDCr-A1-15 low hydrogen sodium type DC Ø3.2-Ø5.0
AH-D507Mo EDCr-A2-15 low hydrogen sodium type DC used for surfacing high-temperature middle-pressure valve with working temperature below 510℃ Ø3.2-Ø5.0
AH-D507MoNb EDCr-A1-15 low-hydrogen type DC used for surfacing high-temperature middle-pressure valve with working temperature below 450℃ Ø3.2-Ø5.0

electrode brand chemical composition of deposited metal % hardness HRC
C Mn Si Cr Ni Mo Nb V S P W
AH-D107 0,17 3,20 24
AH-D112 0,22 1,80 1,22 26
AH-D127 0,18 3,82 32
AH-D132 0,41 2,56 1,28 34
AH-D172 0,40 2,10 2,0 44
AH-D212 0,51 4,64 1,78 57
AH-D256 0,88 13,8 1,10 HB198
AH-D266 1,02 15,6 0,65 2,02 HB210
AH-D276 0,68 14,8 0,45 14,8 25
AH-D317 0,88 3,30 3,82 2,10 0,020 0,022 5,40 54
AH-D317A 0,64 0,68 0,38 3,24 1,78 0,017 0,018 6,20 61
AH-D322 0,38 4,10 1,80 0,68 0,020 0,025 8,72 58
AH-D327 0,41 4,22 2,01 0,71 0,019 0,023 7,98 59
AH-D327A 0,38 6,02 2,52 1,70 0,014 0,020 3,04 56
AH-D337 0,44 3,08 0,016 0,019 7,80 51
AH-D397 0,50 1,84 0,65 1,78 0,60 0,018 0,020 48
AH-D502 0,11 13,8 0,020 0,024 44
AH-D507 0,10 13,5 0,018 0,020 46
AH-D507Mo 0,14 14,3 2,24 1,02 1,21 40
AH-D507MoNb 0,13 13,4 1,60 0,34 0,020 0,028 43

electrode brand GB power supply power supply
 		main application specification
AH-D512 EDCr-B-03 lime-titania type AC,DC used for surfacing superheated steam valve body and mixing bucket piece with working temperature below 450℃ Ø3.2-Ø5.0
AH-D517 EDCr-B-15 low-hydrogen type DC Ø3.2-Ø5.0
AH-D516M EDCrMn-A-16 low-hydrogen type AC,DC used for surfacing high and middle pressure valve weldment with working temperature below 450℃ with no preheating and can be processed Ø3.2-Ø5.0
AH-D516MA EDCrMn-A-16 low-hydrogen type AC,DC Ø3.2-Ø5.0
AH-D547 EDCrNi-A-15 low-hydrogen type DC used for surfacing valve sealing surface of high-pressure boiler of power station with working temperature below 570℃ Ø3.2-Ø5.0
AH-D547Mo EDCrNi-B-15 low-hydrogen type DC used for surfacing high-pressure valve sealing surface with working temperature below 600℃ Ø3.2-Ø5.0
AH-D557 EDCrNi-C-15 low-hydrogen type DC used for surfacing high-pressure valve sealing surface with working temperature below 600℃ Ø3.2-Ø5.0
AH-D567 EDCrMn-D-15 low-hydrogen type DC used for surfacing sealing surface of ductile iron valve of medium temperature and medium pressure with working temperature below 350℃ Ø3.2-Ø5.0
AH-D577 EDCrMn-C-15 low-hydrogen type AC,DC used for surfacing valve of medium temperature and high pressure with working temperature below 510℃ coordinating with D507Mo to have a longer operating life Ø3.2-Ø5.0
AH-D608 EDZ-A1-08 石墨型 AC,DC used for surfacing parts suffering from sand abrasion and slight shock Ø3.2-Ø5.0
AH-D642 EDZCr-B-03 lime-titania type AC,DC used for surfacing corrosion-resistant and wear-proof parts such as blade and pressure parts Ø3.2-Ø5.0
AH-D646 EDZCr-B-16 low-hydrogen type AC,DC Ø3.2-Ø5.0
AH-D667 EDZCr-C-15 low-hydrogen type AC,DC used for surfacing corrosion-resistant and strong wear-resistant parts such as oil pump set, parts of mine crusher and valve cover Ø3.2-Ø5.0
AH-D707 EDW-A-15 DC used for surfacing rock wear-resistant parts, mixing blade, pump blade and high-speed sand box Ø3.2-Ø5.0
AH-D707Ni low-hydrogen type DC used for surfacing parts of high temperature oxidation resistance and wear resistance such as blast furnace hour and sintering grilled tooth Ø3.2-Ø5.0
DCG（single gear） low-hydrogen type DC used for welding single and double gear Ø3.2-Ø5.0
DCG-B2 low-hydrogen type DC used for welding parts with good wear-resisting performance such as mud bucket and mine parts Ø3.2-Ø5.0
red hard 1 low-hydrogen type DC used for surfacing parts demanding high hardness and high wear resistance performance at high temperature Ø3.2-Ø5.0
red hard 2 low-hydrogen type DC Ø3.2-Ø5.0

electrode brand chemical composition of deposited metal %
hardness
HRC
C Mn Si Cr Ni Mo Nb V S P B W Wc
AH-D512 0,21 12,9 49
AH-D517 0,20 13,2 51
AH-D516M 0,21 6,70 0,60 13,4 47
AH-D516MA 0,20 6,82 0,54 13,7 45
AH-D547 0,14 1,26 5,4 17,1 7,70 0,014 0,018 HB310
AH-D547Mo 0,13 1,88 6,02 16,8 7,2 3,92 0,83 0,015 0,020 41
AH-D557 0,17 2,04 6,14 19,2 8,2 0,016 0,018 40
AH-D567 0,67 25,8 1,08 10,8 HB240
AH-D577 1,02 14,6 1,40 13,0 2,86 2,06 32
AH-D608 3,30 4,46 3,52 58
AH-D642 2,48 0,82 24,68 48
AH-D646 3,08 0,76 25,02 50
AH-D667 3,10 4,10 1,94 28,4 3,55 52
AH-D707 2,20 1,42 1,40 42,1 64
AH-D707Ni allowance 54,8 49
DCG（single gear） 0,98 0,84 0,55 6,02 1,12 0,19 52
DCG-B2 1,5 0,91 0,62 6,54 1,08 0,22 55
red hard 1 0,72 12,2 10,44 10,44 1,89 42
red hard 2 0,70 15,50 15,50 2,47 45
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