Chrome-molybdenum alloy steel SCM420
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Chrome-molybdenum alloy steel SCM420
Chrome-molybdenum alloy steel SCM420
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- alloy steel
- Chrome molybdenum alloy steel
SCM420
It belongs to green cross steel, and its carbon content is higher than SCM415 . It is generally used in the quenched and tempered state.
Uses : various special wear-resistant parts for automobiles and machinery or higher-level carburizing parts.
Steel type (JIS) | C (carbon ) | Si (silicon ) | Mn (manganese ) | P (phosphorus ) | S (sulfur ) | Ni (nickel ) | Cr (chrome ) | Mo (molybdenum ) |
SCM420 | 0.18 -0.23 | 0.15 -0.35 | 0.60 -0.90 | 0.030 or less | 0.030 or less | 0.25 or less | 0.90 -1.20 | 0.15 -0.25 |
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Chrome-molybdenum alloy steel SCM440
alloy steel Chrome molybdenum alloy steel SCM440 This steel is a high-toughness alloy structural steel with stable product composition, high steel purity, small decarburization layer, low cold heading cracking rate, stable heat treatment quality, uniform hardness, and good hardenability. Uses : bolts, shafts, rods, guide posts, spindle sleeves, gears , etc. Steel type (JIS) C (carbon ) Si (silicon ) Mn (manganese ) P (phosphorus ) S (sulfur ) Ni (nickel ) Cr (chrome ) Mo (molybdenum ) SCM440 0.38 -0.43 0.15 -0.35 0.60 -0.90 0.030 max 0.030 max 0.25 max 0.90 -1.20 0.15 -0.30
Chrome-molybdenum alloy steel SCM415
alloy steel Chrome molybdenum alloy steel (1) .SCM415 This kind of steel is a low carbon alloy steel with high heat resistance and oxidation resistance. It is often used in carburizing treatment to improve its surface hardness and increase its service life. Uses : gears, axles, shaft centers, pistons , etc. Steel type (JIS) C (carbon ) Si (silicon ) Mn (manganese ) P (phosphorus ) S (sulfur ) Ni (nickel ) Cr (chrome ) Mo (molybdenum ) SCM415 0.13 -0.18 0.15 -0.35 0.60 -0.90 0.030 or less 0.030 or less 0.25 or less 0.90 -1.20 0.15 -0.25
