Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2014
03/26/2014CN103667992A Steel plate with high hardness and abrasion resistance
03/26/2014CN103667991A Nuclear power station CRDM (Control Rod Drive Mechanism) seal housing and preparation method thereof
03/26/2014CN103667990A Heat-resistant wear-resistant alloy steel lining board material and preparation method thereof
03/26/2014CN103667989A Rare-earth wear-resistant stainless steel lining board material and preparation method thereof
03/26/2014CN103667988A Alloy steel material for transfer pump pipelines and preparation method thereof
03/26/2014CN103667987A Alloy steel material for building pump truck and preparation method thereof
03/26/2014CN103667986A Anti-aging alloy steel material for valves and preparation method thereof
03/26/2014CN103667985A Alloy steel material for concrete pump truck delivery pipes and preparation method thereof
03/26/2014CN103667984A Chromium-nickel biphase stainless steel material for pump valves and preparation method thereof
03/26/2014CN103667983A High-strength spring steel and preparation method thereof
03/26/2014CN103667982A Corrosion-resistant, wear-resistant and high-temperature-resistant alloy steel material for pump valve and preparation method thereof
03/26/2014CN103667981A Alloy steel material for ball mill lining boards and preparation method thereof
03/26/2014CN103667980A Alloy steel material for high-speed bearings and preparation method thereof
03/26/2014CN103667979A Steel for forging extrusion roller for cement roller press
03/26/2014CN103667978A Preparation method of antibacterial austenitic stainless steel band
03/26/2014CN103667977A Antibacterial Austenitic stainless steel band
03/26/2014CN103667976A Ferrite heat resistant steel
03/26/2014CN103667975A Antibacterial martensite stainless steel
03/26/2014CN103667974A Preparation method of ferrite heat-resistant steel
03/26/2014CN103667973A Wear-resistant impact-resistant alloy steel material and preparation method thereof
03/26/2014CN103667972A Special abrasion-resistant alloy material and preparation method thereof
03/26/2014CN103667971A Seawater-corrosion-resistant alloy steel material for pump valves and preparation method thereof
03/26/2014CN103667970A High-heat-strength high-carbon steel material and preparation method thereof
03/26/2014CN103667969A Method for producing steel strip through low-temperature online static recrystallization
03/26/2014CN103667968A Method for producing steel strip through low-temperature online static recrystallization
03/26/2014CN103667967A Heat-resistant steel for ultra-supercritical steam turbine rotor
03/26/2014CN103667966A Preparation method of high-hardness and low-loss electrical steel
03/26/2014CN103667965A Low-temperature-resistant corrosion-resistant alloy steel material and preparation method thereof
03/26/2014CN103667964A Medium carbon steel material for pump bearing and preparation method of medium carbon steel material
03/26/2014CN103667963A Low-carbon bainite construction steel with yield ratio of less than 0.8 and production method thereof
03/26/2014CN103667962A Wear-resistant alloy steel material for centrifugal pump blades and preparation method thereof
03/26/2014CN103667961A Corrosion-resistant wear-resistant alloy steel material for pump valves and preparation method thereof
03/26/2014CN103667960A Medium-carbon stainless steel material and preparation method thereof
03/26/2014CN103667959A Manufacture method for valve core of stop valve used in fermentation
03/26/2014CN103667958A Steel for second last stage long blade of ultra-supercritical steam turbine generator set and smelting method of steel
03/26/2014CN103667957A ZG25MnSY6 casting material and method for preparing casting
03/26/2014CN103667956A Heat treatment method of steel for forging engine balance shaft
03/26/2014CN103667955A Steel with high impact strength and casting prepared therefrom
03/26/2014CN103667954A Technology for quenching and tempering of C110 steel grade oil well tube by using Cr-Mo series steel
03/26/2014CN103667953A Oceanic mooring chain steel with low environmental crack sensitivity and ultrahigh obdurability and preparation method thereof
03/26/2014CN103667952A Production process of weather-resistant steel
03/26/2014CN103667951A Special steel with hard exterior and tough interior and manufacture method thereof
03/26/2014CN103667950A 430 stainless steel for cold stamping processing, and manufacturing method thereof
03/26/2014CN103667949A Bismuth-containing alloy steel material for pump case and preparation method thereof
03/26/2014CN103667948A Multiphase steel and preparation method thereof
03/26/2014CN103667947A Nickel-free austenitizing stainless steel, manufacturing process thereof, and method for manufacturing flange by nickel-free austenitizing stainless steel
03/26/2014CN103667946A Tungsten-containing heat-resistant alloy steel lining board material and preparation method thereof
03/26/2014CN103667945A Wear-resistant high-manganese steel liner plate material and preparation method thereof
03/26/2014CN103667944A Pump super-wear-resistant high-hardness alloy steel material and preparation method thereof
03/26/2014CN103667943A Scandium-containing wear-resistant low-carbon steel material for pump impellers and preparation method thereof
03/26/2014CN103667942A Wear-resistant medium-carbon steel material for pump shafts and preparation method thereof
03/26/2014CN103667941A Alloy steel material for rotor of cam rotor pump and preparation method thereof
03/26/2014CN103667940A Alloy steel material of thrust plate for plunger pump and preparation method of alloy steel material
03/26/2014CN103667939A Manganese steel material for ball bearings and preparation method thereof
03/26/2014CN103667938A High alloy semisteel centrifugation composite Raymond mill grinding ring and manufacturing method
03/26/2014CN103667937A Wear-resistant alloy steel material for valve bodies and preparation method thereof
03/26/2014CN103667936A Nut preparation method
03/26/2014CN103667935A High-strength high-toughness material for lining plate of mine ball mill
03/26/2014CN103667934A Low-carbon stainless steel material and preparation method thereof
03/26/2014CN103667933A Vanadium-and-titanium-containing ferrum-chromium-cobalt permanent magnet alloy and processing method thereof
03/26/2014CN103667932A High speed tool steel, material for blade edge, cutting tool, and manufacturing method of material for blade edge
03/26/2014CN103667931A Anti-oxidation ferrite stainless steel containing aluminum and rare earth
03/26/2014CN103667930A Moisture-proof H2S-corrosion-resistant L555QS pipeline tube containing rare earth and production method of pipeline tube
03/26/2014CN103667929A Low-cost and H2S-corrosion-resistant L390NS pipeline tube containing rare earth and production method of pipeline tube
03/26/2014CN103667928A Cold shortness resistant N80 petroleum pipe steel and manufacturing method thereof
03/26/2014CN103667927A High-strength high-carbon steel material for pump bearings and preparation method thereof
03/26/2014CN103667926A Melting method of martensitic stainless steel
03/26/2014CN103667925A Production technology of wire rod for solid surfacing welding wires
03/26/2014CN103667924A 40Cr hot-rolled wire rod production method
03/26/2014CN103667923A High-carbon alloy steel treated by multielement fine grain disappeared metal
03/26/2014CN103667922A Method of producing high-strength HRB400 hot-rolled ribbed bars
03/26/2014CN103667921A Thick steel plate with high strength and toughness as well as uniform performance in thickness direction and production method of thick steel plate
03/26/2014CN103667920A Preparation method of Nd-Fe-B rare earth permanent magnetic alloy
03/26/2014CN103667919A Novel rare-earth permanent magnetic alloy
03/26/2014CN103667918A Preparation method for adhesive rare earth permanent magnet alloy
03/26/2014CN103667917A High-temperature-resistant low-carbon steel material and preparation method thereof
03/26/2014CN103667916A High-hardness alloy steel material and preparation method thereof
03/26/2014CN103667915A Thermal mechanical control steel plate having favorable low-temperature flexibility and manufacturing method thereof
03/26/2014CN103667914A Powder metallurgy material, cross slip ring and manufacturing method of cross slip ring
03/26/2014CN103667913A Production method for high-yield-strength and high-plasticity TWIP (Twinning Induced Plasticity) steel
03/26/2014CN103667912A Low-alloy steel plate and heat treatment method for steel plate
03/26/2014CN103667911A Low yield ratio X100 high-grade steel pipeline steel hot-rolled steel plate and manufacturing method thereof
03/26/2014CN103667910A Hot-rolled H-shaped steel with excellent low-temperature impact toughness and manufacturing method thereof
03/26/2014CN103667909A Mobile ocean platform steel with yield ratio not greater than 0.65 and production method thereof
03/26/2014CN103667908A Hot-rolled high-strength sheet steel having tensile strength of 540MPa, and production method thereof
03/26/2014CN103667907A Hot-rolled high-strength sheet steel having tensile strength of 510MPa, and production method thereof
03/26/2014CN103667906A Hot-rolling high-strength steel sheet having tensile strength of 590 MPa grade and production method thereof
03/26/2014CN103667905A Ultra-fine grain structural steel with excellent plasticity and toughness and production method thereof
03/26/2014CN103667904A Automobile part casting die making technology
03/26/2014CN103667903A Preparation method of low-carbon low-silicon electrical steel for motor
03/26/2014CN103667902A Preparation method of electrical steel for high-function automobile electrical part
03/26/2014CN103667901A Preparation method of hot rolled steel for automobile axle housing
03/26/2014CN103667900A Preparation method of high-magnetic-strength electrical steel for automobile motor
03/26/2014CN103667899A Low-temperature-resistant alloy steel material for pump valves and preparation method thereof
03/26/2014CN103667898A Yttrium-containing alloy steel material for valve cores and preparation method thereof
03/26/2014CN103667897A High-boron alloy steel material for pump delivery pipes and preparation method thereof
03/26/2014CN103667896A Tensile wear-resisting alloy steel material for pump valve and preparation method thereof
03/26/2014CN103667895A High-strength thin strip steel for cold forming and manufacturing method thereof
03/26/2014CN103667894A Low-temperature steel reinforcement for liquefied petroleum gas storage tank and production process thereof
03/26/2014CN103667893A High-strength anti-delayed fracture steel with yield ratio of no more than 0.5 and production method thereof
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