Claims
- 1. A concrete reinforcing steel bar or wire having a basic steel composition consisting essentially of:
- C: not more than 1.0%
- Si: not more than 0.25%
- Mn: Not more than 2.0%
- Al: 10.0 to 20.0%
- Cr: 0.5 to 5.5%
- P: not more than 0.015%
- S: not more than 0.005%
- Balance: essentially iron and unavoidable impurities.
- 2. A concrete reinforcing steel bar or wire according to claim 1, which further comprises at least one of Ti, V, Nb, W, Mo, and B in a total amount ranging from 0.01 to 0.5% for the elements other than B, and in an amount ranging from 0.0001 to 0.005% for B.
- 3. A concrete reinforcing steel bar or wire according to claim 1, which further comprises at least one of Cu and Ni in a total amount ranging from 0.1 to 5.5%.
- 4. A concrete reinforcing steel bar or wire according to claim 2, which further comprises at least one of Cu and Ni in a total amount ranging from 0.1 to 5.5%.
Priority Claims (2)
Number |
Date |
Country |
Kind |
61-38406 |
Feb 1986 |
JPX |
|
61-117540 |
May 1986 |
JPX |
|
Parent Case Info
This application is a continuation-in-part of now abandoned application Ser. No. 016,105, filed Feb. 18, 1987, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
2499862 |
Hansen |
Mar 1950 |
|
Foreign Referenced Citations (3)
Number |
Date |
Country |
56-9356 |
Jan 1981 |
JPX |
387971 |
Feb 1933 |
GBX |
1002057 |
Aug 1964 |
GBX |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
16105 |
Feb 1987 |
|