Claims
- 1. A seawater-corrosion-resistant non-magnetic steel material consisting essentially of
- C: not more than 1.0%
- Si: not more than 0.25%
- Mn: not more than 2.0%
- Al: more than 20.0 up to 37.3%
- Cr: 1.0 to 5.5%
- P: not more than 0.015%
- S: not more than 0.005%
- Balance: iron and unavoidable impurities.
- 2. The steel material according to claim 1, further containing at least one of Ti, V, Nb, W, Mo, and B in an amount ranging from 0.01 to 0.5%, in total, for the element other than B and in an amount ranging from 0.0001 to 0.005% for B.
- 3. The steel material according to claim 1, further containing at least one of Cu and Ni in an amount ranging from 0.1 to 5.5%, in total.
- 4. The steel material according to claim 1, further containing at least one of Ti, V, Nb, W, Mo, and B in an amount ranging from 0.01 to 0.5%, in total, for the element other then B and in an amount ranging from 0.0001 to 0.005% for B, and at least one of Cu and Ni in an amount ranging from 0.1 to 5.5%, in total.
- 5. A seawater-corrosion-resistant non-magnetic steel material selected from the group consisting of the chemical compositions set forth below:
- ______________________________________Chemical Composition (weight %) Others, Fe balanceC Si Mn P S Al Cr and impurities______________________________________0.001 0.01 0.5 0.008 0.003 21.5 5.00.002 0.03 0.5 0.008 0.001 22.0 5.0 Ni 0.50.001 0.03 0.3 0.010 0.002 21.8 4.8 Cu 0.30.003 0.05 0.5 0.008 0.002 23.0 5.5 Nb 0.050.002 0.03 0.3 0.011 0.001 23.5 5.5 V 0.20.01 0.02 0.3 0.008 0.002 22.0 5.5 Mo 0.10.10 0.03 0.5 0.010 0.002 23.1 5.5 W 0.20.05 0.20 0.01 0.006 0.001 23.0 2.0 Cu 0.2, Ni 0.3, Mo 0.20.002 0.05 0.01 0.012 0.001 27.3 2.0 Cu 2.0, Ni 1.0, Ti 0.060.032 0.03 0.3 0.008 0.002 21.8 5.0 Cu 0.2, Ti 0.250.030 0.05 0.3 0.010 0.003 21.5 4.8 Ti 0.260.05 0.03 0.5 0.008 0.005 22.8 5.5 Ti 0.20, B 0.0010.05 0.05 0.3 0.010 0.003 23.0 5.0 Ti 0.20, V 0.20.001 0.03 0.5 0.008 0.002 27.0 5.5 V 0.30.002 0.05 0.2 0.010 0.001 23.2 5.1 Cu 1.0, Ni 0.50.010 0.10 0.3 0.007 0.002 25.1 5.0 Ti 0.080.015 0.05 0.3 0.008 0.001 23.8 5.1 Nb 0.07, Ti 0.10.011 0.07 0.2 0.007 0.002 25.1 5.0 Nb 0.08, V 0.050.012 0.08 0.3 0.008 0.001 23.8 5.2 Nb 0.1, B 0.0010.012 0.10 0.3 0.008 0.001 25.1 5.2 Ti 0.1, Nb 0.050.010 0.01 0.5 0.007 0.002 25.8 5.1 Ti 0.1, V 0.10.010 0.01 0.7 0.003 0.002 23.8 5.5 Nb 0.1, Cu 1.0, Ni 0.50.011 0.02 0.2 0.008 0.001 25.1 4.7 Cu 2.0, Ni 1.0, V 0.10.010 0.01 0.2 0.007 0.002 25.1 5.0 Cu 1.0, Ni 1.0, Ti 0.1, Nb 0.50.011 0.02 0.3 0.008 0.001 26.1 5.1 Cu 1.0, Ti 0.1, B______________________________________ 0.001
Priority Claims (3)
Number |
Date |
Country |
Kind |
61-100234 |
Apr 1986 |
JPX |
|
61-117539 |
May 1986 |
JPX |
|
62-81664 |
Apr 1987 |
JPX |
|
Parent Case Info
This is a Continuation-in-part of Ser. No. 040,103, filed Jan. 20, 1987, which is now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
2499862 |
Hansen et al. |
Mar 1950 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
40103 |
Jan 1987 |
|