Ductile grey cast iron with increased tensile strength

PL249895B1Active Publication Date: 2026-07-13ODLEWNIA RAFAMET SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
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Patent Information

Application Number
PL2023443935
Authority / Receiving Office
PL · PL
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-03-01
Publication Date
2026-07-13
Estimated Expiration
2043-03-01
Patent Text Reader

Abstract

The subject of the application is ductile grey cast iron with high tensile strength used in industries related to the machine industry, sheet metal stamping, energy, railways, etc. GJS-750-2 grey cast iron containing by weight: 0.35 ÷ 0.55% Mn, 0.03 ÷ 0.08% Mg, < 0.05% Cr, < 0.01% V, is characterized in that it additionally contains by weight: 3.20 ÷ 3.45% C, 2.35 ÷ 2.65% Si, 0.7 ÷ 1.50% Ni, 0.30 ÷ 0.50% Mo, 0.40 ÷ 0.70% Cu. Gray cast iron GJS-650-3 containing by weight: 0.35 ÷ 0.55 Mn, 0.03 ÷ 0.08% Mg, < 0.05% Cr, < 0.01% V, < 0.05% Ni, < 0.01% Mo, is characterized by the fact that it additionally contains by weight: 3.20 ÷ 3.45% C, 2.35 ÷ 2.65% Si, 0.40 ÷ 0.70% Cu.
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Citation Information

Patent Citations

  • Stainless spheroidal carbide cast iron

    US20010023717A1

  • Stainless spheroidal carbide cast iron material

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    WO2015137627A1