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Surfacing welding wire model
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Product number

Surfacing thickness mm

Surfacing hardness HRC

Available diameter mm

Application range

LQ122

3+

57-61

1.6

Abrasive wear resistance and inter-metal wear resistance are better. It is used for surfacing welding of grain and oil machinery, impellers, shearers, shield cutter bits, brick making tools, etc.

LQ127

3+

30-40

1.2 / 1.6

Used for surfacing welding of worn medium and low carbon steel parts, such as axles, gears, stirring blades, driving wheels, etc.

LQ172

4+

45-53

1.2 / 1.6

Used for surfacing welding of wear parts such as gears, dredgers, tractor scrapers, etc.

LQ207

3+

46-54

1.2 / 1.6

Has good wear resistance and wear resistance between metals, used for surfacing of bucket plates of loaders

LQ212

4+

50-60

1.2 / 1.6

Single or multilayer surfacing of worn parts such as buckets, mining machinery, etc.

LQ237

4+

53-60

1.6

Used for surfacing welding of hydraulic machinery and heat-resistant valves damaged by sand wear and cavitation

LQ276

3+

20-26

1.6

Used for overlay welding of hydraulic turbine blades and guide vanes damaged by cavitation, and also suitable for high-manganese steel work overlay welding requiring high wear resistance and toughness

LQ322

2.5+

55-62

1.6

Surfacing dies, cutting tools and parts requiring higher wear resistance

LQ337

4+

55-61

1.2 / 1.6

Used for surfacing dies, cutters and rolls, etc., with high temperature red hardness

LQ3375

4+

55-64

1.2 / 1.6

Used for surfacing dies, cutters and rolls, etc., with high temperature red hardness

LQ404

4+

34-42

1.2 / 1.6

Low-alloy high-strength welding wire for grooves, etc.

LQ423

4 ~ 9

40-50

1.2 / 1.6

Martensitic stainless steel alloy with good corrosion resistance, wear resistance and thermal shock resistance

LQ435

3+

48-56

1.6

Abrasive material has good abrasion performance, used for shearer cutting, etc.

LQ439

3 ~ 8

38-48

1.6

Martensitic stainless steel alloy, good corrosion resistance, wear resistance and thermal shock resistance, used for surfacing continuous casting rolls, valve seats, etc.

LQ451

3+

40-50

1.6 / 3.2

Abrasive wear components with high requirements for surfacing toughness and surface quality, such as brick making tools; also used for single-tooth rollers, stern plates, coal rollers, and cement vertical grinding

Links: Alibaba Chinese Station Shanghai Dome Trading Co., Ltd.
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