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Welding stick for welding high pressure vessel

A high-pressure container and welding wire technology, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of increasing production cost and expensive welding wire, and achieve low manufacturing cost and good welding quality.

Inactive Publication Date: 2015-12-30
鲁一军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The welding wire in the prior art is expensive, which increases the production cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A welding wire for welding high-pressure vessels, the weight percentage of its composition is:

[0031] C: 0.01-0.05%;

[0032] Sr: 0.01-0.04%;

[0033] Si: 0.1-0.2%;

[0034] Mn: 2-3%;

[0035] Cr: 0.15-0.8%;

[0036] Ti: 0.1-0.15%;

[0037] Mo: 0.4-0.45%;

[0038] B: 0.001-0.002%;

[0039] The balance is Fe.

Embodiment 2

[0041] A welding wire for welding high-pressure vessels, the weight percentage of its composition is:

[0042] C: 0.04%;

[0043] Sr: 0.02%;

[0044] Si: 0.15%;

[0045] Mn: 2.5%;

[0046] Cr: 0.52%;

[0047] Ti: 0.13%;

[0048] Mo: 0.43%;

[0049] B: 0.0018%;

[0050] The balance is Fe.

[0051] The welding wire used for welding high-pressure vessels has low manufacturing cost and good welding quality.

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PUM

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Abstract

The invention provides a welding stick for welding a high pressure vessel, which is prepared from following components in percent by weight: 0.01-0.05% of C, 0.01-0.04% of Sr, 0.1-0.2% of Si, 2-3% of Mn, 0.15-0.8% of Cr, 0.1-0.15% of Ti, 0.4-0.45% of Mo, 0.001-0.002% of B and the balance of Fe. The welding stick for welding the high pressure vessel is low in manufacturing cost and good in welding quality.

Description

technical field [0001] The invention relates to a welding wire, in particular to a welding wire used for welding high-pressure vessels. Background technique [0002] High-pressure vessels are subjected to ultra-high pressure during operation, so they have extremely high requirements on materials and welds. The welding wire in the prior art is expensive, thereby increasing the production cost. Contents of the invention [0003] 【1】Technical problems to be solved [0004] The technical problem to be solved by the present invention is to provide a welding wire for welding high-pressure vessels with low manufacturing cost and good welding quality. [0005] 【2】Technical solution to solve the problem [0006] The invention provides a welding wire for welding high-pressure vessels, the weight percentage of its composition is: [0007] C: 0.01-0.05%; [0008] Sr: 0.01-0.04%; [0009] Si: 0.1-0.2%; [0010] Mn: 2-3%; [0011] Cr: 0.15-0.8%; [0012] Ti: 0.1-0.15%; [0013...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/30
CPCB23K35/3073
Inventor 鲁一军
Owner 鲁一军