JPS6254178B2 - - Google Patents
Info
- Publication number
- JPS6254178B2 JPS6254178B2 JP4340881A JP4340881A JPS6254178B2 JP S6254178 B2 JPS6254178 B2 JP S6254178B2 JP 4340881 A JP4340881 A JP 4340881A JP 4340881 A JP4340881 A JP 4340881A JP S6254178 B2 JPS6254178 B2 JP S6254178B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- content
- affected zone
- resistant alloy
- cracking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910045601 alloy Inorganic materials 0.000 claims description 24
- 239000000956 alloy Substances 0.000 claims description 24
- 238000005336 cracking Methods 0.000 claims description 20
- 229910052758 niobium Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000009750 centrifugal casting Methods 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910018559 Ni—Nb Inorganic materials 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000010953 base metal Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000989 no adverse effect Toxicity 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4340881A JPS57158354A (en) | 1981-03-24 | 1981-03-24 | Heat resistant alloy for centrifugally cast pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4340881A JPS57158354A (en) | 1981-03-24 | 1981-03-24 | Heat resistant alloy for centrifugally cast pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57158354A JPS57158354A (en) | 1982-09-30 |
| JPS6254178B2 true JPS6254178B2 (enEXAMPLES) | 1987-11-13 |
Family
ID=12662914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4340881A Granted JPS57158354A (en) | 1981-03-24 | 1981-03-24 | Heat resistant alloy for centrifugally cast pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57158354A (enEXAMPLES) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4769636B2 (ja) * | 2006-05-24 | 2011-09-07 | 杉山 弘昭 | 貝係止具と、集合貝係止具と、連続貝係止具 |
-
1981
- 1981-03-24 JP JP4340881A patent/JPS57158354A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57158354A (en) | 1982-09-30 |
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