China Shandong Hengge Welding Materials Co., Ltd. (Telephone WeChat 13964080588)

YZ77 cast tungsten carbide gas welding electrode HRC≥ 92

The composition of YZ77 cast tungsten carbide electrode tube is W2C and WC alloy particles, the melting point is 1600-1800 degrees, and it is welded by oxygen-acetylene flame, which has high wear resistance. It is suitable for the surfacing welding of wearable parts such as oil drilling tools, well drilling bits, concrete mixing blades, dredger blades, high-speed sand mixing boxes, charcoal screw propellers, feed mill blades, etc.

Acetylene temperature: 1000~2800℃. The tungsten content is 95%-96%, and the particle size is 30-80 mesh.

D608 wear-resistant surfacing electrode Model: EDZ-A1-08 Hardfacing layer hardness: HRC>55

D608 is a graphite-type coated CrMo cast iron surfacing electrode, which can be used for both AC and DC, and is more suitable for reverse connection of DC power supply. Because the surfacing metal is the Cr and Mo carbides of the cast iron structure, the surfacing layer has high hardness and wear resistance, and has good resistance to the abrasion of sand and ore. Used in agricultural machinery, mining equipment and other parts that are subject to sand abrasion and slight damage.

Deposited metal chemical composition (%) C 2.50~4.50 Mo 3.00~5.00 Cr 3.00~5.00

Reference current (AC, DC+) Electrode diameter (mm) φ3.2 90~120 φ4.0 130~160 φ5.0: 170~210

D658 surfacing electrode, surfacing hardness HRC: ≥60

D658 high-chromium cast iron surfacing electrode has excellent abrasive wear resistance, working temperature can reach 650℃, AC and DC dual purpose, stable arc, basically no slag. Used for severely worn parts and high temperature wear parts.

Deposited metal chemical composition/% C 3-6.5 Cr 20-35 Mo 4-9 Nb 4-8.5 V 0.5-2.5 W 2.5-7.5

Reference current (AC, DC+) Electrode diameter (mm) φ3.2 90~130 φ4.0 130~180

D698 wear-resistant surfacing electrode Model: GB EDZ-B2-08 Hardfacing layer hardness HRC≥60

D698 surfacing electrode is a graphite-type coating surfacing electrode, which can be used for both AC and DC. It is used for surfacing welding of mining machinery and soil, sand and gravel crushing strongly worn parts. The surfacing layer of high chromium cast iron wear-resistant electrode has high hardness, which is granular carbide, martensite and retained austenite, which can effectively withstand high-hardness abrasive wear and high-stress contact fatigue wear under severe working conditions. It is suitable for power plant suction Hardening, strengthening and repairing of wearable parts such as fan rotor blades, dust pump valves, mud pump impellers, dredgers, etc.

Chemical composition of deposited metal (%) C≤3.00 Cr 4.00-6.00 W 8.50-14.00 Total other elements≤3.00

Reference current (AC, DC+) Electrode diameter (mm) φ3.2: 90-120 φ4.0: 140~180 φ5.0: 190~230

D708 tungsten carbide surfacing electrode Model: EDW-A-15 Hardfacing layer hardness HRC≥65

D708 graphite-coated tungsten carbide surfacing electrode, relying on the tungsten carbide alloy in the coating, the surfacing metal contains 40%-50% tungsten, AC and DC dual purpose. The electrode is mainly used for mechanical parts subject to strong wear, such as concrete mixing blades, bulldozer and pump blades, dredge blades, high-speed sand mixing boxes, brick machine hinges, counter rollers, crusher heads, hammer discs, fan impellers , Lining board, shaft kiln tower grate, roller press, cone crusher and other components.

Deposited metal chemical composition (%) C 1.50~3.00 Mn ≤2.00 Si≤4.00 W 40-50

Reference current (AC, DC+) Electrode diameter (mm) φ3.2 ：70~120 φ4.0 ：140~180 φ5.0: 180~230

D798 tungsten-chromium-boron wear-resistant electrode Model: GBEDZCr-D-OO HRC: 66~68

D798 tungsten-chromium-boron wear-resistant electrode is a graphite-type coating. It is dual-purpose. High-efficiency and slag-free tungsten-chromium-boron special wear-resistant electrode. The weld metal contains an appropriate amount of grain-refining alloy elements. The weld structure is fine martensite plus a small amount of retained austenite. A large number of HV ≥ 2800 alloy borides and dispersed carbides are distributed on the matrix, and the surfacing layer has high hardness. , It is resistant to strong abrasive wear, and does not drop in the operation of high stress and strong abrasive wear. The wear resistance is 2 to 3 times that of general high chromium cast iron, and the hardness remains stable at a high temperature of 600 °C, and the welding electrode deposition efficiency Up to 220%, using high current welding and no slag, good process performance. The welding rod is mainly used in the occasions where mud pumps, cement equipment and metallurgical equipment are resistant to strong abrasive wear.

Chemical composition (%) C3.0~4.0 Cr22.0~32.0 W1 1.5~22.5 Mo.0 0.5~1.0

Reference current AC/DC+ electrode diameter (mm) φ4.0180~230 φ5.0220~260

D998 wear-resistant surfacing electrode, surfacing hardness HRC: 72

D998 wear-resistant surfacing electrode, graphite-coated surfacing electrode, AC and DC dual purpose, the surfacing metal contains high-strength carbides and a variety of wear-resistant materials. A hard phase with uniform hardness. Have strong anti-wear ability. And it is suitable for operation, the welding current is stable, the smoke splash is small, and there is no harmful gas such as fluoride in the smoke. After welding, the surface is smooth and flat, with less slag and beautiful appearance. It is used in the spiral stirring knife and the blade of the mixer in the brick and tile factory. The repair and surfacing of components in industries such as coal pulverizer hammers, cement plants, exhaust fan blades, shaft kiln trays, mining, and steel plants can achieve a multiplier effect after welding.

Main chemical composition: C 3.0-5.0 Cr 21.0-30.5 B 3.5-6.4 Si 0.5-1.5 Other 6

Reference current (AC, DC+) Electrode diameter (mm) φ3.2 ：120~150 φ4.0 ：160~190

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