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Flux-cored steel belt containing steel wire for surfacing and preparation method thereof

A technology for steel strips and steel wires is applied to the field of flux-cored steel strips containing steel wires for surfacing welding and the field of preparation thereof, which can solve the problems of limited application scope, few varieties, difficult manufacturing, etc. The effect of low production cost

Inactive Publication Date: 2008-11-26
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the existing surfacing welding materials, especially the hard-wearing belt poles for surfacing welding, there are problems such as manufacturing difficulties, few varieties, limited application range, and wide-band poles requiring magnetic control device welding. Flux-cored steel strip containing steel wire and preparation method thereof

Method used

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  • Flux-cored steel belt containing steel wire for surfacing and preparation method thereof
  • Flux-cored steel belt containing steel wire for surfacing and preparation method thereof
  • Flux-cored steel belt containing steel wire for surfacing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] (1) select the H08A cold-rolled steel strip that width is 39mm, thickness is 0.3mm, utilize existing steel-making cored wire production equipment, it is rolled into cross-section along the steel strip length direction to be U shape;

[0058] (2) Add medicated powder (filling rate 48%) in above-mentioned U-shaped pit, wherein: the particle diameter of described medicated powder is less than 120 μ m, and medicated powder composition is in parts by weight (kg), comprises high-carbon ferrochromium 60, vanadium iron 8 , 75# ferrosilicon 5, high carbon ferromanganese 1, aluminum magnesium alloy 5, ferroboron 4, ferrotitanium 5, ferromolybdenum 6 and fluorite 2;

[0059] The above-mentioned medicated powder is applied after 10 minutes of powder mixing with a conventional powder mixer;

[0060] (3) At the same time, lay an ER50-6 steel wire with a diameter of 0.8mm and the same length as the steel strip along the length direction of the steel strip in the middle of the powder i...

Embodiment 2

[0066] (1) select the H08A cold-rolled steel strip that width is 130mm, thickness is 0.4mm for use, utilize existing steelmaking to use the cored wire production equipment, it is rolled into cross section along the steel strip length direction and be U shape;

[0067] (2) Add medicated powder (filling rate 55%) in above-mentioned U-shaped pit, wherein: the particle diameter of described medicated powder is less than 120 μ m, and medicated powder composition is in parts by weight (kg), comprises high-carbon ferrochrome 70, ferro-vanadium 10 , 75# ferrosilicon 2, high carbon ferromanganese 1, aluminum magnesium alloy 2, boron iron 12, titanium iron 3, molybdenum iron 3 and graphite 4;

[0068] The above-mentioned medicated powder is applied after 20 minutes of powder mixing with a conventional powder mixer;

[0069] (3) Simultaneously, in the middle of the medicine powder in the U-shaped pit, lay a H08A steel wire with a diameter of 1.2mm along the length direction of the steel ...

Embodiment 3

[0075](1) select the Q195 cold-rolled steel strip that width is 45mm, thickness is 0.3mm for use, utilize existing steelmaking to use the cored wire production equipment, it is U-shaped to be rolled into cross-section along the strip length direction;

[0076] (2) Add medicated powder (filling rate 50%) in above-mentioned U-shaped pit, wherein: the particle diameter of described medicated powder is less than 120 μ m, and medicated powder composition is in weight part (kg), comprises high-carbon ferrochrome 65, vanadium iron 5 , 75# ferrosilicon 4, high carbon ferromanganese 2, aluminum magnesium alloy 5, boron iron 6, titanium iron 4, molybdenum iron 5, fluorite 2 and potassium titanate 2;

[0077] The medicated powder is applied after 15 minutes of powder mixing using a conventional powder mixer;

[0078] (3) At the same time, lay an ER50-6 steel wire with a diameter of 1.0 mm and the same length as the steel strip along the length direction of the steel strip in the middle o...

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Abstract

The invention discloses a flux-cored steel-belt that contains steel wires and is used for surfacing and a preparation method thereof. The flux-cored steel-belt is produced from low-carbon steel belts and powder and a steel wire enwrapped therein. The shape of the steel belts is a tube, of which the vertical cross section is in a long flat shape or a rectangle-like shape and the horizontal sides are connected in a closing form or a lapping form. The powder is evenly filled in the tube rolled from the steel belts and the steel wire which is arranged vertically along the tube, has the same length with the tube and positioned at the geometric center of the vertical cross section of the flux-cored steel-belt is clamped in the middle of the powder. Through the adjustment of clamping the steel wire and the powder flux-cored steel-belt of the invention, the variety of steel belts used for surfacing is added, thus reducing cost. The flux-cored steel-belt can be wound into a disk-like shape, thus being suitable for continuous automatic surfacing, leading the application field of strip surfacing to expand, increasing the stability of electric arc and reducing the technical requirements against welding equipment.

Description

technical field [0001] The invention relates to a welding material, in particular to a flux-cored steel strip containing steel wires for overlay welding and a preparation method thereof. Background technique [0002] Most of the mechanical parts are made of metal materials, and wear will occur due to the relative movement between parts or between parts and materials. With the development of modern industry, mechanical parts often work under extremely complex and harsh conditions, and a large number of mechanical equipment are often scrapped due to wear and tear. This requires the surface of mechanical equipment under heavy loads and other working conditions to have good durability. grinding performance. [0003] It is a common method to manufacture or repair wear-resistant parts at present to prepare a wear-resistant alloy layer on the metal surface by surfacing welding, thermal spraying, vapor deposition, electroplating and other technologies. Surfacing welding is widely ...

Claims

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Application Information

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IPC IPC(8): B23K35/22B23K35/40
Inventor 孙俊生朱强王冶刘景春
Owner SHANDONG UNIV
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