The role of molybdenum in steel can be summarized as improving hardenability, improving thermal strength, preventing tempering brittleness, improving remanence and coercivity and corrosion resistan...
DESCRIPTION
The role of molybdenum in steel can be summarized as improving hardenability, improving thermal strength, preventing tempering brittleness, improving remanence and coercivity and corrosion resistance in some media, and can prevent pitting tendency. Due to various beneficial effects of molybdenum in steel, it has been widely used in a series of steel such as structural steel, spring steel, bearing steel, tool steel, stainless and acid-resistant steel, heat-resistant steel (also known as heat-strength steel), magnetic steel and so on. Molybdenum is very effective in improving the strength and toughness of cast iron, and the pearlite matrix structure can be formed for castings with medium and large cross-section when the addition amount is 0.25%~1.25%. Often used in rolls and other wear-resistant castings.
Grade |
Composition (%), Main Elements, Impurity Element Content (≤), Balance Ferro |
|||||||
Mo |
Si |
S |
P |
C |
Cu |
Sb |
Sn |
|
FeMo 60-a |
55.0 ~ 65.0 |
1.0 |
0.10 |
0.04 |
0.10 |
0.50 |
0.04 |
0.04 |
FeMo 60-b |
55.0 ~ 65.0 |
1.5 |
0.10 |
0.05 |
0.10 |
0.50 |
0.05 |
0.06 |
FeMo 60-c |
55.0 ~ 65.0 |
2.0 |
0.15 |
0.05 |
0.20 |
1.0 |
0.08 |
0.08 |
FeMo 60 |
≥ 60.0 |
2.0 |
0.10 |
0.05 |
0.15 |
0.50 |
0.04 |
0.04 |
FeMo 55-a |
≥ 55.0 |
1.0 |
0.10 |
0.08 |
0.20 |
0.50 |
0.05 |
0.06 |
FeMo 55-b |
≥ 55.0 |
1.5 |
0.15 |
0.10 |
0.25 |
1.0 |
0.08 |
0.08 |
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