JPS581016A - 遅れ破壊特性および機械的性質のすぐれたプレストレストコンクリ−ト用鋼棒又は鋼線の製造方法 - Google Patents
遅れ破壊特性および機械的性質のすぐれたプレストレストコンクリ−ト用鋼棒又は鋼線の製造方法Info
- Publication number
- JPS581016A JPS581016A JP9828981A JP9828981A JPS581016A JP S581016 A JPS581016 A JP S581016A JP 9828981 A JP9828981 A JP 9828981A JP 9828981 A JP9828981 A JP 9828981A JP S581016 A JPS581016 A JP S581016A
- Authority
- JP
- Japan
- Prior art keywords
- steel bar
- steel
- mechanical properties
- tempering
- strain
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 230000003111 delayed effect Effects 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000015556 catabolic process Effects 0.000 title abstract 3
- 239000011513 prestressed concrete Substances 0.000 title description 4
- 238000005496 tempering Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 12
- 230000006698 induction Effects 0.000 claims abstract description 11
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 239000004567 concrete Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 238000001816 cooling Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 238000001723 curing Methods 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- NJYFRQQXXXRJHK-UHFFFAOYSA-N (4-aminophenyl) thiocyanate Chemical compound NC1=CC=C(SC#N)C=C1 NJYFRQQXXXRJHK-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2 ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9828981A JPS581016A (ja) | 1981-06-26 | 1981-06-26 | 遅れ破壊特性および機械的性質のすぐれたプレストレストコンクリ−ト用鋼棒又は鋼線の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9828981A JPS581016A (ja) | 1981-06-26 | 1981-06-26 | 遅れ破壊特性および機械的性質のすぐれたプレストレストコンクリ−ト用鋼棒又は鋼線の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS581016A true JPS581016A (ja) | 1983-01-06 |
| JPH0227419B2 JPH0227419B2 (enrdf_load_stackoverflow) | 1990-06-18 |
Family
ID=14215762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9828981A Granted JPS581016A (ja) | 1981-06-26 | 1981-06-26 | 遅れ破壊特性および機械的性質のすぐれたプレストレストコンクリ−ト用鋼棒又は鋼線の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS581016A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59219447A (ja) * | 1983-05-27 | 1984-12-10 | High Frequency Heattreat Co Ltd | 耐遅れ破壊特性を有する高張力ボルトおよびその製造方法 |
| JPS63151720A (ja) * | 1986-12-11 | 1988-06-24 | 川鉄テクノワイヤ株式会社 | 高強度ｐｃ鋼棒の製造方法 |
| JPS6465232A (en) * | 1987-09-04 | 1989-03-10 | Sumitomo Electric Industries | Production of steel products for presstressed concrete |
| US4938811A (en) * | 1988-07-15 | 1990-07-03 | Sumitomo Electric Industries, Ltd. | Steel wire for a spring and method for the production thereof |
| JPH02240236A (ja) * | 1989-03-15 | 1990-09-25 | Nkk Corp | 耐塩性ｐｃ鋼棒 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555195B (zh) * | 2018-01-15 | 2019-11-08 | 湖南劳动人事职业学院 | 一种全自动空间几字形钢筋马凳折弯机 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5782423A (en) * | 1980-11-08 | 1982-05-22 | Sumitomo Metal Ind Ltd | Production of high tensile wire |
| JPS57169020A (en) * | 1981-04-11 | 1982-10-18 | Sumitomo Metal Ind Ltd | Production of high tensile steel bar |
| JPS57198211A (en) * | 1981-05-29 | 1982-12-04 | Sumitomo Electric Ind Ltd | Manufacture of heat treat pc steel rod |
-
1981
- 1981-06-26 JP JP9828981A patent/JPS581016A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5782423A (en) * | 1980-11-08 | 1982-05-22 | Sumitomo Metal Ind Ltd | Production of high tensile wire |
| JPS57169020A (en) * | 1981-04-11 | 1982-10-18 | Sumitomo Metal Ind Ltd | Production of high tensile steel bar |
| JPS57198211A (en) * | 1981-05-29 | 1982-12-04 | Sumitomo Electric Ind Ltd | Manufacture of heat treat pc steel rod |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59219447A (ja) * | 1983-05-27 | 1984-12-10 | High Frequency Heattreat Co Ltd | 耐遅れ破壊特性を有する高張力ボルトおよびその製造方法 |
| JPS63151720A (ja) * | 1986-12-11 | 1988-06-24 | 川鉄テクノワイヤ株式会社 | 高強度ｐｃ鋼棒の製造方法 |
| JPS6465232A (en) * | 1987-09-04 | 1989-03-10 | Sumitomo Electric Industries | Production of steel products for presstressed concrete |
| US4938811A (en) * | 1988-07-15 | 1990-07-03 | Sumitomo Electric Industries, Ltd. | Steel wire for a spring and method for the production thereof |
| JPH02240236A (ja) * | 1989-03-15 | 1990-09-25 | Nkk Corp | 耐塩性ｐｃ鋼棒 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0227419B2 (enrdf_load_stackoverflow) | 1990-06-18 |
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