JPS63107850U - - Google Patents
Info
- Publication number
- JPS63107850U JPS63107850U JP20399686U JP20399686U JPS63107850U JP S63107850 U JPS63107850 U JP S63107850U JP 20399686 U JP20399686 U JP 20399686U JP 20399686 U JP20399686 U JP 20399686U JP S63107850 U JPS63107850 U JP S63107850U
- Authority
- JP
- Japan
- Prior art keywords
- measuring
- pipe
- graphite
- rate
- wall thickness
- 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.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20399686U JPS63107850U (en]) | 1986-12-27 | 1986-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20399686U JPS63107850U (en]) | 1986-12-27 | 1986-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63107850U true JPS63107850U (en]) | 1988-07-12 |
Family
ID=31169849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20399686U Pending JPS63107850U (en]) | 1986-12-27 | 1986-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63107850U (en]) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012233771A (ja) * | 2011-04-28 | 2012-11-29 | Osaka Gas Co Ltd | 敷設鋳鉄管の材質判定方法及び敷設鋳鉄管材質判定システム |
| JP2019124504A (ja) * | 2018-01-15 | 2019-07-25 | Ｊｆｅスチール株式会社 | 材質判別方法及び材質判別装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61114160A (ja) * | 1984-11-09 | 1986-05-31 | Hitachi Constr Mach Co Ltd | 超音波計測装置 |
-
1986
- 1986-12-27 JP JP20399686U patent/JPS63107850U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61114160A (ja) * | 1984-11-09 | 1986-05-31 | Hitachi Constr Mach Co Ltd | 超音波計測装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012233771A (ja) * | 2011-04-28 | 2012-11-29 | Osaka Gas Co Ltd | 敷設鋳鉄管の材質判定方法及び敷設鋳鉄管材質判定システム |
| JP2019124504A (ja) * | 2018-01-15 | 2019-07-25 | Ｊｆｅスチール株式会社 | 材質判別方法及び材質判別装置 |
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