Solid gas protection welding wire used for welding crude oil carrier cargo oil tank boat deck

A gas-shielded welding wire and cargo technology, applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of compositional design differences, etc., to achieve improved corrosion resistance, consistent corrosion resistance and pitting resistance Ability to improve the effect of anti-HIC performance

Active Publication Date: 2014-06-18
BAOSHAN IRON & STEEL CO LTD
View PDF7 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the welding wire involved in this patent document has corrosion resistance, because the corrosion environment of the welding wire is completel

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Solid gas protection welding wire used for welding crude oil carrier cargo oil tank boat deck
  • Solid gas protection welding wire used for welding crude oil carrier cargo oil tank boat deck
  • Solid gas protection welding wire used for welding crude oil carrier cargo oil tank boat deck

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～5

[0032] Vacuum induction furnace is used for smelting, and the mass percentage distribution of chemical elements is controlled as shown in Table 1; the welding wire with a diameter of 1.2mm is drawn by conventional technology.

[0033] Table 1. The mass percent distribution ratio of the chemical elements of Examples 1 to 5

[0034] (wt%, the balance is Fe and other unavoidable impurities)

[0035] serial number

C

Si

mn

Ti

Mo

Cr

Al / t

Cu

Ni

Example 1

0.058

0.51

0.94

0.063

0.19

0.25

0.047

0.19

0.37

Example 2

0.041

0.41

0.91

0.021

0.21

0.31

0.071

0.25

0.47

Example 3

0.091

0.36

0.82

0.043

0.02

0.36

0.052

0.75

0.25

Example 4

0.028

0.58

0.99

0.075

0.46

0.28

0.096

0.30

0.75

Example 5

0.074

0.43

0.83

0.087

0.35

0.46

0.021

0.60

0.51 ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Rmaaaaaaaaaa
Impact energyaaaaaaaaaa
Login to view more

Abstract

The invention discloses a solid gas protection welding wire used for welding a crude oil carrier cargo oil tank boat deck. The mass percentage ratios of the chemical elements are as follows: 0.02-0.10% of C, 0.30-0.60% of Si, 0.80-1.00% of Mn, 0.02-0.10% of Ti, 0-0.50% of Mo, 0.20-0.50% of Cr, 0.01-0.10% of Al, 0.10-0.80% of Cu, 0.10-0.80% of Ni, and the balance of Fe and other unavoidable impurities. The tensile strength of the solid gas protection welding wire used for welding the crude oil carrier cargo oil tank boat deck provided by the invention is greater than 440 MPa, and the impact work of a weld metal at 20 DEG C below zero is greater than 47 J, so that the solid gas protection welding wire has good corrosion resistance. Besides, the solid gas protection welding wire used for welding the crude oil carrier cargo oil tank boat deck and a mother board for welding have the consistent corrosion resistance and pitting resistance.

Description

technical field [0001] The invention relates to a welding material, in particular to a welding wire. Background technique [0002] At the 87th meeting of the International Maritime Organization (IMO) Maritime Safety Committee, the "Performance Standard for Protective Coatings for Cargo Tanks of Crude Oil Tankers" and "Performance Standards for Alternative Corrosion Protection Measures for Crude Oil Tankers" became the "International Maritime Mandatory requirements within the framework of the Safety of Life (SOLAS) Convention, according to the content of the above standards, the anticorrosion of cargo oil tanks of crude oil tankers can be achieved by traditional coatings, or directly using corrosion-resistant steel without coating treatment. [0003] There are differences between corrosion-resistant steel plates and ordinary marine steel plates. While strictly controlling impurity elements such as S and P, trace corrosion-resistant alloy components are added, and the requirem...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B23K35/30
CPCB23K35/3073
Inventor 钱伟方王怀龙曹能刘硕
Owner BAOSHAN IRON & STEEL CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap