Steel 08KH14N7ML (VNL-1; 5Х14Н7МЛ)
Designation
Description
08KH14N7ML steel is used: for the manufacture of castings corrosion-resistant parts operating at room and low (to -196 °C) temperatures; shaped castings for the aircraft industry; casting investment casting for aircraft industry group I — loaded items with the specific requirements for density and mechanical properties: high load brackets, sealed the housing, the frames of gyroscopes, stabilizers, etc. and group II — non-loaded and lightly loaded parts, rings, flanges, fittings, leaking instrument cabinets, etc.
Note
Stainless steel austenitic-martensitic class.
Standards
Chemical composition
Fe is the basis.
According to OST 1 90090-79, the content of nitrogen in the steel is allowed up to 0.070%.
According to GOST 2176-77 the chemical composition is given for steel grade 08H14N7ML. Deviations from the norms of chemical composition are allowed: for carbon ± 0.020%; for silicon ± 0.10%; on manganese, copper, chromium and nickel ± 0.10% each; by titanium and tungsten ± 0.050% each; by vanadium, molybdenum and niobium ± 0.020% each.
According to OST 1 90090-79, the content of nitrogen in the steel is allowed up to 0.070%.
According to GOST 2176-77 the chemical composition is given for steel grade 08H14N7ML. Deviations from the norms of chemical composition are allowed: for carbon ± 0.020%; for silicon ± 0.10%; on manganese, copper, chromium and nickel ± 0.10% each; by titanium and tungsten ± 0.050% each; by vanadium, molybdenum and niobium ± 0.020% each.