| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/03/2013 | CN103014557A High-strength corrosion-resisting ferroalloy material for fastener |
| 04/03/2013 | CN103014556A Corrosion-resisting ferroalloy material for fastener and preparation method thereof |
| 04/03/2013 | CN103014555A Corrosion-resisting ferroalloy material for fastener |
| 04/03/2013 | CN103014554A Low-yield-ratio high-tenacity steel plate and manufacture method thereof |
| 04/03/2013 | CN103014553A High-strength and high-toughness steel plate with 630 Mpa-level yield strength and preparation method of steel plate |
| 04/03/2013 | CN103014552A Novel corrosion-resisting special fastener |
| 04/03/2013 | CN103014551A Novel high-temperature alloy heat-resistant stainless steel bolt and production process thereof |
| 04/03/2013 | CN103014550A High chromium multielement alloy wear resisting ball and manufacturing method thereof |
| 04/03/2013 | CN103014549A High-performance duplex stainless steel and processing method thereof |
| 04/03/2013 | CN103014548A Alloy steel and preparation method thereof |
| 04/03/2013 | CN103014547A Preparation method of alloy steel |
| 04/03/2013 | CN103014546A Alloy steel |
| 04/03/2013 | CN103014545A High-strength steel plate with 900 Mpa-level yield strength and preparation method of steel plate |
| 04/03/2013 | CN103014544A Highly-wear-resistant powder metallurgy valve seat |
| 04/03/2013 | CN103014543A Production process of wear-resistant steel NM400E medium plate |
| 04/03/2013 | CN103014542A One hundred kilogram-grade boron-free and high strength steel plate used for engineering machinery, and manufacturing method thereof |
| 04/03/2013 | CN103014541A 690MPa thick steel plate for ocean engineering and manufacturing method of steel plate |
| 04/03/2013 | CN103014540A Cast steel |
| 04/03/2013 | CN103014539A High-strength and high-toughness steel plate with 700 Mpa-level yield strength and preparation method of steel plate |
| 04/03/2013 | CN103014538A High-strength steel plate with 960 Mpa-level yield strengths and preparation method of steel plate |
| 04/03/2013 | CN103014537A Smelting method of steel used in high speed passenger train hollow axle |
| 04/03/2013 | CN103014536A High-carbon high-chromium stainless bearing steel and preparation method thereof |
| 04/03/2013 | CN103014535A Axle steel and axle |
| 04/03/2013 | CN103014534A Cast hot work die steel and processing method thereof |
| 04/03/2013 | CN103014533A Technique for prolonging fatigue life of 50CrVA plate spring |
| 04/03/2013 | CN103014532A High-abrasion-resistance composite roller and preparation method thereof |
| 04/03/2013 | CN103014531A High-damping alloy for casting Fe-Cr-Mo and preparation method thereof |
| 04/03/2013 | CN103014530A Method for improving impact property of D-level ship plate |
| 04/03/2013 | CN103014529A Low-carbon martensite cast steel material for railway wagon coupler |
| 04/03/2013 | CN103014528A High-strength cast steel |
| 04/03/2013 | CN103014527A Method for preparing aluminum-containing low-temperature bainitic steel |
| 04/03/2013 | CN103014526A Martensitic stainless steel for valve and manufacturing method thereof |
| 04/03/2013 | CN103014525A High-silicon double-phase stainless steel and preparation method thereof |
| 04/03/2013 | CN103014524A Preparation method of needle steel |
| 04/03/2013 | CN103014523A Base material for high-temperature alloy and method for manufacturing base material |
| 04/03/2013 | CN103014522A Novel low-cost wear-resistant high-strength Q550D steel plate and production method thereof |
| 04/03/2013 | CN103014521A High-hardness high-toughness wear-resistant steel and production method thereof |
| 04/03/2013 | CN103014520A F+P+B type low-yield-ratio and high-strength medium steel plate and production method thereof |
| 04/03/2013 | CN103014519A Excavator silicon-manganese alloy steel bucket tooth cast and processing process thereof |
| 04/03/2013 | CN103014518A High carbon high alloy steel wear-resisting ball and manufacturing method thereof |
| 04/03/2013 | CN103014517A Multicomponent alloy integrated spring flat steel |
| 04/03/2013 | CN103014516A Borated low-alloy high-speed steel roller and manufacturing method thereof |
| 04/03/2013 | CN103014515A High-toughness abrasion-resistant alloy steel for excavator bucket and production process thereof |
| 04/03/2013 | CN103014514A Novel high-chromium ferritic heat-resistant steel and martensite lath refining method |
| 04/03/2013 | CN103014513A Novel wear-resistant low alloy Q345C/D steel plate and production method thereof |
| 04/03/2013 | CN103014512A Pipeline steel and low cost method for rolling pipeline steel |
| 04/03/2013 | CN103014511A High-obdurability cold-work die steel and processing method thereof |
| 04/03/2013 | CN103014510A High-strength cold-extrusion die steel and processing technology thereof |
| 04/03/2013 | CN103014509A Novel low-cost Q345GJC/D steel plate for high-rise buildings and production method of steel plate |
| 04/03/2013 | CN103014508A Steel wire for aerial cable steel core with spanning degree not smaller than 3500m and production method thereof |
| 04/03/2013 | CN103014507A Powder metallurgy flange and preparation method thereof |
| 04/03/2013 | CN103014506A Low-alloy moderate strength steel product for steel rails |
| 04/03/2013 | CN103014505A Process for improving solidification quality of high-carbon steel casting blank |
| 04/03/2013 | CN103014504A Steel special for high-hardness heat-treated steel rail |
| 04/03/2013 | CN103014503A Normalization-free high-magnetic induction low-iron loss acid etching-resistant non-oriented silicon steel and production method thereof |
| 04/03/2013 | CN103014502A Powdery metallurgy material for automobile engine piston and preparation method |
| 04/03/2013 | CN103014501A High-strength and impact-resistant wind power steel plate subjected to rare-earth treatment |
| 04/03/2013 | CN103014500A Ultrawide SEDDQ deep-drawing automobile sheet and production method thereof |
| 04/03/2013 | CN103014499A Production method of die casting mould material with long service life |
| 04/03/2013 | CN103014498A 355MPa low-welding-crack-sensitivity steel plate and producing method |
| 04/03/2013 | CN103014497A Production method of pipeline steel plate with excellent impact toughness |
| 04/03/2013 | CN103014496A High-strength hot-rolled steel strip with thickness ranging from 1.1 to 2 mm and easy to form |
| 04/03/2013 | CN103014495A High-tenacity high-wear-resistance cold-work die steel and processing method thereof |
| 04/03/2013 | CN103014494A Hot rolling steel plate for automobile girder, and manufacturing method thereof |
| 04/03/2013 | CN103014493A Manufacturing technique of steel strip for light fatigue-resistant sole |
| 04/03/2013 | CN103014492A Preparation method of Mo2FeB2-based hot spray alloy powder |
| 04/03/2013 | CN103014491A 600MPa low-alloy and high-strength ultra-thick steel plate and producing method thereof |
| 04/03/2013 | CN103014490A Method for producing high-rise building steel plate of low yield ratio |
| 04/03/2013 | CN103014489A Iron-based hard alloy for self-advancing anchor rod bit and preparing method of iron-based hard alloy |
| 04/03/2013 | CN103014488A Die steel for alloy compression casting and processing method thereof |
| 04/03/2013 | CN103014487A Hot rolling steel plate for automobile girder, and production method thereof |
| 04/03/2013 | CN103014486A Steel special for high-strength heat-treated steel rail |
| 04/03/2013 | CN103014485A Steel special for carbon manganese series steel rails |
| 04/03/2013 | CN103014484A Steel plate with little welding strain |
| 04/03/2013 | CN103014483A High extended secondary cold-rolled plate and production method thereof |
| 04/03/2013 | CN103014479A Wearable cast iron alloy material |
| 04/03/2013 | CN103014476A Stainless steel refining method |
| 04/03/2013 | CN103014299A Electric impulse treatment method for improving heat treatment efficiency and structure quality of high-speed steel roll |
| 04/03/2013 | CN103014296A Thermal treatment process for axle steel |
| 04/03/2013 | CN103014289A Manufacturing method of forged steel balls |
| 04/03/2013 | CN103014282A Production method of high-strength and good-low-temperature-toughness wind power steel plate |
| 04/03/2013 | CN103009005A Production method of automobile air conditioner compressor cylinder body |
| 04/03/2013 | CN103008649A Mixed powder for electric tool and preparation method thereof |
| 04/03/2013 | CN103008648A Novel manufacturing method of maintenance-free chain |
| 04/03/2013 | CN103008645A Preparation method for piston powder metallurgy material of gasoline engine |
| 04/03/2013 | CN103008644A Gasoline engine piston powder metallurgical material |
| 04/03/2013 | CN103008643A Method for manufacturing oil-free lubrication bearing for powder metallurgy |
| 04/03/2013 | CN103008642A Valve rod powder metallurgy manufacturing method for check valve |
| 04/03/2013 | CN103008062A Low-carbon high-chromium composite swing hammer |
| 04/03/2013 | CN103008050A Surfacing-free centrifugal combined ultra-high anti-abrasion roll squeezer roller sleeve and manufacturing method thereof |
| 04/03/2013 | CN102511071B Permanent magnet and manufacturing method for permanent magnet |
| 04/03/2013 | CN102367540B Deep sea pipeline steel produced based on steckel mill and preparation method thereof |
| 04/03/2013 | CN102337458B Steel with tensile strength not lower than 1100MPa for engineering machinery and production method thereof |
| 04/03/2013 | CN102312168B Prehardening plastic die steel plate and manufacture method thereof |
| 04/03/2013 | CN102312166B Stanniferous ferrite stainless steel and smelting method thereof |
| 04/03/2013 | CN102312152B Production method of steel containing boron |
| 04/03/2013 | CN102268602B 3Cr oil well pipe and production method thereof |
| 04/03/2013 | CN102260828B Metallic material and method for forming same |
| 04/03/2013 | CN102230144B Steels and application thereof |
| 04/03/2013 | CN102230069B Heat treatment process for toughening wheel steel |