42crmo4 Meaning

42crmo4 meaning

42CrMoA belongs to ultra-high strength steel, with high strength and toughness, hardenability is also good, no obvious tempering brittleness, high fatigue limit and resistance to multiple shocks after tempering treatment, low temperature impact toughness is good. The steel is suitable for manufacturing large and medium-sized plastic molds requiring certain strength and toughness.

• C 0.38~0.45,
• Si 0.17~0.37,
• Mn 0.50~0.80,
• Cr 0.90~1.20,
• Mo 0.15 ~ 0.25

Steel adjustment formula

Sheet weight = Length × width × thickness ×0.00000785KG (unit mm)

Bar weight =3.14X length × radius ^2×0.00000785KG (unit mm)

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