Los materiales de construcción de válvulas de acero inoxidable
| |
ASTM A351 |
ASTM A494 |
| Element |
CF8M |
CF3M |
CN7M |
M-35-1 |
CW-12MW |
| Carbon |
0.08 |
0.03 |
0.07 |
0.35 |
0.12 |
| Chromium |
18.0 - 21.0 |
17.0 - 21.0 |
19.0 - 22.0 |
0.00 |
15.5 - 17.5 |
| Columbium (Niobium) |
0.00 |
0.00 |
0.00 |
0.50 |
0.00 |
| Copper |
0.00 |
0.00 |
3.0 - 4.0 |
26.0 - 33.0 |
0.00 |
| Iron |
0.00 |
0.00 |
0.00 |
3.50 |
4.5 - 7.5 |
| Manganese |
1.50 |
1.50 |
1.50 |
1.50 |
1.00 |
| Molybdenum |
2.0 - 3.0 |
2.0 - 3.0 |
2.0 - 3.0 |
0.00 |
16.0 - 18.0 |
| Nickel |
9.0 - 12.0 |
9.0 - 13.0 |
27.5 - 30.5 |
balance |
balance |
| Phosphorus |
0.04 |
0.04 |
0.04 |
0.03 |
0.04 |
| Silicon |
1.50 |
1.50 |
1.50 |
1.25 |
1.00 |
| Sulfur |
0.04 |
0.04 |
0.04 |
0.03 |
0.03 |
| Tungsten |
0.00 |
0.00 |
0.00 |
0.00 |
3.75 - 5.25 |
| Vanadium |
0.00 |
0.00 |
0.00 |
0.00 |
0.20 - 0.40 |
| Suponga que todos los valores son máximos, a menos que se le da un rango |
| |
| |
Tensile Requirements |
Mechanical Properties |
| Tensile Strength |
70,000 |
70,000 |
62,000 |
65,000 |
72,000 |
| Yield Strength |
30,000 |
30,000 |
25,000 |
25,000 |
40,000 |
| Elongation in 2 inches, % |
30.0% |
30.0% |
35.0% |
25.0% |
4.0% |
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