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High-humidity high strength and toughness welding material and preparation method thereof

A high-strength and toughness, welding material technology, applied in welding/cutting media/materials, welding equipment, welding media, etc., can solve the problems of single component dependence, insignificant interaction between raw materials, poor strength and toughness, etc.

Active Publication Date: 2017-09-05
HANSHAN RUIKE METAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the wear resistance and hardness of the welding materials produced by the existing technology are improved, and the cost is low, but the welding materials produced have poor toughness, high resistance to a single component, no obvious interaction between raw materials, and low humidity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A high-humidity, high-strength and toughness welding material is made of the following raw materials in parts by weight: 1.8% carbon, 0.9% silicon, 0.4% manganese, 0.15% lanthanum, 0.06% strontium, 0.1% nickel, 0.1% cerium, 0.01% silver, Tin 0.005%, zirconium 0.1%, vanadium 0.3%, P≤0.03%, S≤0.01%, the balance is iron and other impurity elements.

[0023] A high-humidity high-strength toughness welding material, the preparation method of which comprises the following steps:

[0024] (1) Add the weighed steel scrap and lanthanum trioxide into the smelting furnace, heat to melt, keep warm for 30 minutes, then add silicon dioxide, ferromanganese, petroleum coke recarburizer, cerium dioxide, strontium carbonate, nickel For iron, silver iron, tin iron, zirconium iron, and vanadium iron, continue to heat up until the raw materials are completely melted into molten iron, then adjust the temperature to 900°C and keep it warm for 10 minutes;

[0025] (2) Pour the inoculant into ...

Embodiment 2

[0030] A high-humidity, high-strength and toughness welding material is made of the following raw materials in parts by weight: 2.5% carbon, 1.8% silicon, 0.8% manganese, 0.31% lanthanum, 0.12% strontium, 0.25% nickel, 0.35% cerium, 0.04% silver, Tin 0.01%, zirconium 0.3%, vanadium 0.6%, P≤0.03%, S≤0.01%, the balance is iron and other impurity elements.

[0031] A high-humidity high-strength toughness welding material, the preparation method of which comprises the following steps:

[0032] (1) Add the weighed steel scrap and lanthanum trioxide into the smelting furnace, heat to melt, keep warm for 30 minutes, then add silicon dioxide, ferromanganese, petroleum coke recarburizer, cerium dioxide, strontium carbonate, nickel For iron, silver iron, tin iron, zirconium iron, and vanadium iron, continue to heat up until the raw materials are completely melted into molten iron, then adjust the temperature to 1000°C and keep it warm for 30 minutes;

[0033] (2) Pour the inoculant int...

Embodiment 3

[0038] A high-moisture high-strength and toughness welding material is made of the following raw materials in parts by weight: 1.9% carbon, 1.0% silicon, 0.5% manganese, 0.16% lanthanum, 0.07% strontium, 0.11% nickel, 0.15% cerium, 0.02% silver, Tin 0.006%, zirconium 0.11%, vanadium 0.4-0.6%, P≤0.03%, S≤0.01%, the balance is iron and other impurity elements.

[0039] A high-humidity high-strength toughness welding material, the preparation method of which comprises the following steps:

[0040](1) Add the weighed steel scrap and lanthanum trioxide into the smelting furnace, heat to melt, keep warm for 30 minutes, then add silicon dioxide, ferromanganese, petroleum coke recarburizer, cerium dioxide, strontium carbonate, nickel For iron, silver iron, tin iron, zirconium iron, and vanadium iron, continue to heat up until the raw materials are completely melted into molten iron, then adjust the temperature to 920°C and keep it warm for 15 minutes;

[0041] (2) Pour the inoculant ...

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PUM

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Abstract

The invention relates to a high-humidity high strength and toughness welding material and a preparation method thereof. The welding material comprises, by weight, carbon of 1.8%-2.5%, silicon of 0.9%-1.8%, manganese of 0.4%-0.8%, lanthanum of 0.15%-0.31%, strontium of 0.06%-0.12%, nickel of 0.1%-0.25%, cerium of 0.1%-0.35%, silver of 0.01%-0.04%, tin of 0.005%-0.01%, zirconium of 0.1%-0.3%, vanadium of 0.3%-0.6%, P of 0-0.03%, and S of 0-0.01%, and the balance of iron and other impurity elements. According to the welding material, strength and toughness are good, all raw materials are mutually matched and affect each other, dispersion of the raw materials is facilitated, wettabiltity of the raw materials is increased, and welding quality is improved.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to a high-humidity, high-strength and toughness welding material and a preparation method thereof. Background technique [0002] The level of science and technology in our country is low. Compared with similar products in developed industrial countries, the practical life of most machinery is relatively low. Most of them are because the welding materials are not strong enough to meet the requirements of use, which in turn causes a waste of natural resources. , but also consumed a lot of manpower and material resources. [0003] In China's published patent application CN103737193A, aiming at obtaining a preparation method of iron-nickel-tin welding material, tin, nickel, iron, and yttrium are used as raw materials, and the weighed raw materials are put into a vacuumed quartz tube, and the quartz tube is washed into Argon gas with a purity of 98%, put the treated quartz tube into th...

Claims

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Application Information

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IPC IPC(8): B23K35/30B23K35/40
CPCB23K35/306B23K35/40
Inventor 魏建
Owner HANSHAN RUIKE METAL CO LTD
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