|
Kulimba kwamakokedwe |
Min. Yield Point |
Elongation |
CORTEN A |
[470 – 630 MPa] |
[355 MPa] |
20% mphindi |
Mtengo wa ASTM 588GR A |
[485 MPa] |
[345 MPa] |
21% mphindi |
ASTM 242 MUTU -1 |
[480 MPa] |
[345 MPa] |
16% mphindi |
Mtengo wa IRSM 41-97 |
[480 MPa] |
[340 MPa] |
21% mphindi |
|
Corten - A |
Chithunzi cha ASTM588 |
ASTM 242 MUTU -1 |
Mtengo wa IRSM 41-97 |
Carbon, Max |
0.12 |
0.19 |
0.15 |
0.10 |
Manganese |
0.20-50 |
0.80-1.25 |
1.00 |
0.25-0.45 |
Phosphorous |
0.07-0.15 |
0.04 |
0.15 |
0.07-0.11 |
Sulphur, max |
0.030 |
0.05 |
0.05 |
0.030 |
Silikoni |
0.25-0.75 |
0.30-0.65 |
0.25-0.40 |
0.28-0.72 |
Nickel, max |
0.65 |
0.40 |
- |
0.20-0.49 |
Chromium |
0.50-1.25 |
0.40-065 |
- |
0.30-0.50 |
Molybdenum, max |
- |
- |
- |
- |
Mkuwa |
0.25-0.55 |
0.25-0.40 |
0.20 min |
0.30-0.39 |
Vanadium |
- |
0.02-0.10 |
- |
0.050 |
Aluminiyamu |
- |
… |
- |
0.030 |