Title:
WELDING MATERIAL FOR AUSTENITIC HEAT-RESISTANT STEEL, AND WELDED METAL AND WELDED JOINT EACH USING SAME
Document Type and Number:
WIPO Patent Application WO/2011/155389
Kind Code:
A1
Abstract:
Disclosed is a welding material for austenitic heat-resistant steel, which has a chemical composition that contains more than 0.05% but 0.18% or less of C, 0.5% or less of Si, 1.5% or less of Mn, 40-50% of Ni, 20-25% of Cr, more than 8.0% but 13.0% or less of W, 0.01-0.2% of Ti, more than 0.03% but 0.20% or less of N and 0.01% or less of Al, and additionally if necessary, less than 0.60% of Nb, with the balance made up of Fe and impurities, while controlling O, P and S contained as impurities to 0.02% or less, 0.008% or less, and 0.005% or less, respectively. The welding material for austenitic heat-resistant steel exhibits excellent high-temperature cracking resistance during the welding. A welded metal that has high-temperature cracking resistance during the welding, stress relaxation cracking resistance when in use for a long period of time at high temperatures, and good creep strength can be provided using the above-described welding material. In addition, a welded joint can be provided, using the above-described welding material, from a base that has excellent creep strength at high temperatures and a welded metal that has high-temperature cracking resistance during the welding, stress relaxation cracking resistance when in use for a long period of time at high temperatures, and good creep strength.
More Like This:
Inventors:
HIRATA, Hiroyuki (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
平田 弘征 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
OKADA, Hirokazu (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
岡田 浩一 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
JOUTOKU, Kana (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
平田 弘征 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
OKADA, Hirokazu (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
岡田 浩一 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
JOUTOKU, Kana (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
Application Number:
JP2011/062698
Publication Date:
December 15, 2011
Filing Date:
June 02, 2011
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
住友金属工業株式会社 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 Osaka, 〒5410041, JP)
HIRATA, Hiroyuki (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
平田 弘征 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
OKADA, Hirokazu (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
岡田 浩一 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
住友金属工業株式会社 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 Osaka, 〒5410041, JP)
HIRATA, Hiroyuki (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
平田 弘征 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
OKADA, Hirokazu (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
岡田 浩一 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 住友金属工業株式会社内 Osaka, 〒5410041, JP)
International Classes:
B23K35/30; B23K9/00; B23K9/23; C22C19/05; C22C30/00; B23K103/04
Attorney, Agent or Firm:
SUGIOKA, Kanji et al. (K. SUGIOKA PATENT OFFICE, 2-5-10 Sonezaki, Kita-ku, Osaka-sh, Osaka 57, 〒5300057, JP)
Download PDF:
Claims:
Previous Patent: EXHAUST SILENCER AND ENGINE-DRIVEN WATER HEATER
Next Patent: OSCILLATION ELEMENT AND METHOD FOR MANUFACTURING OSCILLATION ELEMENT
Next Patent: OSCILLATION ELEMENT AND METHOD FOR MANUFACTURING OSCILLATION ELEMENT