JPS5782423A - Production of high tensile wire - Google Patents
Production of high tensile wireInfo
- Publication number
- JPS5782423A JPS5782423A JP15727480A JP15727480A JPS5782423A JP S5782423 A JPS5782423 A JP S5782423A JP 15727480 A JP15727480 A JP 15727480A JP 15727480 A JP15727480 A JP 15727480A JP S5782423 A JPS5782423 A JP S5782423A
- Authority
- JP
- Japan
- Prior art keywords
- working
- relaxation
- steel wire
- temp
- heated
- 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
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To obtain steel bars and steel wires of superior relaxation characteristics and absorption energy at the impact tensile breakdown by quenching the steel wire to a hardened structure and warm working martensite under specific conditions.
CONSTITUTION: A steel wire of ≤0.5% content of C is heated to temps. above the Ac3 point and is quenched at above the critical cooling rate to a hardened structure. This steel wire is heated to 100W700°C, and is subjected to plastic or straightening working of 3W90% strain rates at these temp. regions, whereby a high tensile wire is obtained. Here, relaxation is markedly decreased by the plastic or straightening working, and the increase in mobile dislocation degradating these is suppressed. To this end, the working temp. is required to be above the lower limit, but in excess of the upper limit, the effect and strength decrease. If the content of C exceeds 0.5%, the warm working of martensite is difficult. With the strain rates below the lower limit, the decrease in relaxation is not realized, and above the upper limit, the working is difficult.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55157274A JPS601931B2 (en) | 1980-11-08 | 1980-11-08 | High tensile strength wire manufacturing method |
GB8133389A GB2088258B (en) | 1980-11-08 | 1981-11-05 | Making high tensile steel wires |
KR1019810004261A KR890002619B1 (en) | 1980-11-08 | 1981-11-07 | Process for manufacturing high tensile steel wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55157274A JPS601931B2 (en) | 1980-11-08 | 1980-11-08 | High tensile strength wire manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5782423A true JPS5782423A (en) | 1982-05-22 |
JPS601931B2 JPS601931B2 (en) | 1985-01-18 |
Family
ID=15646066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55157274A Expired JPS601931B2 (en) | 1980-11-08 | 1980-11-08 | High tensile strength wire manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS601931B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198211A (en) * | 1981-05-29 | 1982-12-04 | Sumitomo Electric Ind Ltd | Manufacture of heat treat pc steel rod |
JPS581016A (en) * | 1981-06-26 | 1983-01-06 | High Frequency Heattreat Co Ltd | Production of steel bar of steel wire having superior delayed breakdown characteristic and mechanical properties for prestressed concrete |
JPS62136520A (en) * | 1985-12-09 | 1987-06-19 | Sumitomo Metal Ind Ltd | Production of high tensile steel wire having excellent delayed cracking resistant characteristic |
CN102676791A (en) * | 2012-05-16 | 2012-09-19 | 冯伟年 | Steel wire induction heating treatment device and method, tire steel cord and silicon chip cutting wire |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5036210A (en) * | 1973-06-20 | 1975-04-05 | ||
JPS5147138A (en) * | 1974-10-21 | 1976-04-22 | Mitsubishi Heavy Ind Ltd | SHIJOMAKITORIHOHO |
JPS55119134A (en) * | 1979-03-07 | 1980-09-12 | Sumitomo Metal Ind Ltd | Manufacture of high tensile steel wire rod |
-
1980
- 1980-11-08 JP JP55157274A patent/JPS601931B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5036210A (en) * | 1973-06-20 | 1975-04-05 | ||
JPS5147138A (en) * | 1974-10-21 | 1976-04-22 | Mitsubishi Heavy Ind Ltd | SHIJOMAKITORIHOHO |
JPS55119134A (en) * | 1979-03-07 | 1980-09-12 | Sumitomo Metal Ind Ltd | Manufacture of high tensile steel wire rod |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198211A (en) * | 1981-05-29 | 1982-12-04 | Sumitomo Electric Ind Ltd | Manufacture of heat treat pc steel rod |
JPS581016A (en) * | 1981-06-26 | 1983-01-06 | High Frequency Heattreat Co Ltd | Production of steel bar of steel wire having superior delayed breakdown characteristic and mechanical properties for prestressed concrete |
JPH0227419B2 (en) * | 1981-06-26 | 1990-06-18 | Koshuha Netsuren Kk | |
JPS62136520A (en) * | 1985-12-09 | 1987-06-19 | Sumitomo Metal Ind Ltd | Production of high tensile steel wire having excellent delayed cracking resistant characteristic |
JPH0559967B2 (en) * | 1985-12-09 | 1993-09-01 | Sumitomo Metal Ind | |
CN102676791A (en) * | 2012-05-16 | 2012-09-19 | 冯伟年 | Steel wire induction heating treatment device and method, tire steel cord and silicon chip cutting wire |
Also Published As
Publication number | Publication date |
---|---|
JPS601931B2 (en) | 1985-01-18 |
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