| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 09/11/2013 | EP2562272A9 Method for producing steel product having excellent mechanical properties, steel product produced with the method and its use |
| 09/11/2013 | CN103298965A Alloying element-saving hot rolled duplex stainless steel material, clad steel sheet having duplex stainless steel as mating material therefor, and production method for same |
| 09/11/2013 | CN103290344A Preparation method of macro-crystal-free 2618 aluminum alloy isothermal die forging piece |
| 09/11/2013 | CN103290339A High-strength steel plate for 800MPa hydropower station pressure pipeline and production method thereof |
| 09/11/2013 | CN103290338A Rare earth-containing seamless steel tube for L690Q pipeline and production method thereof |
| 09/11/2013 | CN103290335A High-strength and high-corrosion-resistance steel plate material with yield strength of 900 MPa and production method thereof |
| 09/11/2013 | CN103290334A Atmosphere corrosion resistance seamless steel tube containing rare earth and production method thereof |
| 09/11/2013 | CN103290331A High-strength and high-corrosion-resistance steel plate material with yield strength of 450 MPa and production method thereof |
| 09/11/2013 | CN103290327A High-temperature-resistant high-performance alloyed fastener and manufacturing technique thereof |
| 09/11/2013 | CN103290326A High-strength magnetoconductive steel plate and production method thereof |
| 09/11/2013 | CN103290323A High-strength magnetoconductive steel plate and production method thereof |
| 09/11/2013 | CN103290322A High-strength magnetoconductive steel plate and production method thereof |
| 09/11/2013 | CN103290321A High-strength magnetoconductive steel plate and production method thereof |
| 09/11/2013 | CN103290320A Hot rolling multiphase steel and production method thereof |
| 09/11/2013 | CN103290316A Flexible manufacturing method of hot-rolled structural steel plate |
| 09/11/2013 | CN103290315A High-strength magnetoconductive steel plate and production method thereof |
| 09/11/2013 | CN103290314A High-strength magnetoconductive steel plate and production method thereof |
| 09/11/2013 | CN103290313A High-strength magnetoconductive steel plate and production method thereof |
| 09/11/2013 | CN103290312A Production method for increasing work hardening value of 440MPa-level carbon structural steel |
| 09/11/2013 | CN103290311A Method for manufacturing civil high-grade anti-theft door plank |
| 09/11/2013 | CN103290310A High strength cold rolled steel plate with low planar anisotropic yield strength, and manufacturing method thereof |
| 09/11/2013 | CN103290309A High-strength cold-rolled steel plate with excellent chemical conversion treatability and preparation method thereof |
| 09/11/2013 | CN103290308A High-strength cold-rolled steel plate and manufacturing method thereof |
| 09/11/2013 | CN103290307A High-strength steel plate with excellent impact resistance and manufacturing method of same |
| 09/11/2013 | CN103290287A Rare earth magnesium-lithium alloy sheet and preparation method thereof |
| 09/11/2013 | CN103290282A Aluminium alloy sheet material for labour protection leather shoes head and preparation method thereof |
| 09/11/2013 | CN103290281A Manufacturing method of high-strength aluminum alloy pipe |
| 09/11/2013 | CN103290192A Thermal treatment process of spliced-welding type large tube plate forging of pressure container |
| 09/11/2013 | CN103290190A 无取向硅钢及其制造方法 Non-oriented silicon steel and its manufacturing method |
| 09/11/2013 | CN103290189A X90Q medium thick-wall seamless steel tube and method for manufacturing same |
| 09/11/2013 | CN103290188A Method for controlling martensite/austenite structure in process of straightening WB36 steel pipes |
| 09/11/2013 | CN103290187A Method for refining microstructure of low-carbon steel wire rods |
| 09/11/2013 | CN103290186A Manufacturing method of corrosion-proof steel plate used for crude oil tanker cargo oil hold inner bottom plate and steel plate |
| 09/11/2013 | CN103290185A Method for eliminating medium-temperature island-shaped structures during normalization of 15NiCuMoNb5 steel |
| 09/11/2013 | CN103290184A Thermal processing method of chromium-containing ferrite refractory steel |
| 09/11/2013 | CN103286149A Manufacturing process of ultra-pure alloy cold wire-drawing material |
| 09/11/2013 | CN102803540B High-strength Hot-dip Galvannealed Steel Shhet With Excellent Workability And Fatigue Characteristics And Process For Production Thereof |
| 09/11/2013 | CN102741441B Steel wire with excellent cold forging characteristics and manufacturing process thereof |
| 09/11/2013 | CN102628148B Acid-washing hot-rolled low-carbon steel without line defects on surface and production method thereof |
| 09/11/2013 | CN102534422B Manufacturing method of corrosion-resistant steel tubes for natural gas conveying pipelines |
| 09/11/2013 | CN102534413B Production method of corrosion-resistant steel pipe for high-pressure boiler |
| 09/11/2013 | CN102534372B Preparation method of P110-grade expansion tube for exploiting petroleum and gas |
| 09/11/2013 | CN102482751B Thick steel plate for ship hull and process for production thereof |
| 09/11/2013 | CN102137949B High-strength Zn-Al-plated steel wire for bridges which has excellent corrosion resistance and fatigue properties, and process for production thereof |
| 09/11/2013 | CN101956142B Dual phase steel seamless pipe and processing method thereof |
| 09/11/2013 | CN101845604B Al-contained heatproof ferrite series stainless steel for fuel cell and manufacturing method thereof |
| 09/06/2013 | WO2013127515A1 Method for manufacturing a steel product |
| 09/06/2013 | WO2013030157A3 Method for producing a press-hardened molded part, and press-hardening tool |
| 09/04/2013 | EP2634280A1 High carbon steel wire rod having excellent wire drawability |
| 09/04/2013 | EP2634271A1 Electric resistance welded (erw) steel pipe for oil well use and process for producing erw steel pipe for oil well use |
| 09/04/2013 | CN203174161U Novel electrical steel high-temperature bell furnace production system |
| 09/04/2013 | CN103282529A Steel wire material and production method for same |
| 09/04/2013 | CN103282522A Method for manufacturing hot rolled steel sheet having good anti-ging properties and hot rolled steel sheet manufactured using same |
| 09/04/2013 | CN103282453A Paint composition for pre-oated steel plate and a curing method for pre-coated steel plate using same |
| 09/04/2013 | CN103276329A Isothermal processing technology of large-specification sheet of high-strength magnesium alloy |
| 09/04/2013 | CN103276315A 900MPa-level ultrahigh-tenacity high-toughness pipeline steel plate and manufacturing method thereof |
| 09/04/2013 | CN103276314A X80 pipeline steel plate with low yield ratio and high toughness and manufacturing method thereof |
| 09/04/2013 | CN103276312A High-strength steel plate having extra thickness of 80-120mm and method for producing same from continuous casting billet |
| 09/04/2013 | CN103276310A Rare-earth-containing H-shaped steel with low-temperature toughness and production method thereof |
| 09/04/2013 | CN103276309A Rare earth-containing wet H2S corrosion-resistant seamless steel pipe for hydraulic bracket and production method thereof |
| 09/04/2013 | CN103276308A Rare earth-containing high-strength atmospheric corrosion-resistant seamless steel pipe and production method thereof |
| 09/04/2013 | CN103276307A High-corrosion resistance high-toughness high-chromium ferrite stainless steel plate and manufacturing method thereof |
| 09/04/2013 | CN103276305A Preparation process of austenitic stainless steel pipe of high-sulfur-resisting petroleum casing |
| 09/04/2013 | CN103276303A High strength chain steel for mine, and preparation method thereof |
| 09/04/2013 | CN103276302A High-alumina 17-7 PH stainless steel and preparation method thereof |
| 09/04/2013 | CN103276301A Low-temperature engineering steel with yield strength not lower than 550MPa and production method of engineering steel |
| 09/04/2013 | CN103276299A High-surface quality ferrite stainless steel plate and manufacturing method thereof |
| 09/04/2013 | CN103276297A Self-connecting type and high-strength seamless steel tube for rope coring drill rod, as well as manufacturing method thereof |
| 09/04/2013 | CN103276295A Steel plates having hydrogen-induced cracking resistance and production method thereof |
| 09/04/2013 | CN103276293A Production method of excellent hydrogen induced cracking resistant pipeline steel plate |
| 09/04/2013 | CN103276289A Production process of 07MnNiVDR steel plate |
| 09/04/2013 | CN103276288A Nickel, iron and aluminum composite wire and manufacturing method thereof |
| 09/04/2013 | CN103276287A Cold-rolled steel strip for high-drawing-performance flux-cored wire, and making method thereof |
| 09/04/2013 | CN103276286A Production method of X80 pipeline steel strip with thickness of 6-10 mm |
| 09/04/2013 | CN103276285A Production method of X80 pipeline steel strip with thickness of 10-16 mm |
| 09/04/2013 | CN103276251A Boiler tube for 700 DEG C steam parameter thermal power generating unit and preparation method thereof |
| 09/04/2013 | CN103276243A Titanium alloy coil rod and production method thereof |
| 09/04/2013 | CN103276237A Preparation method of copper and magnesium alloy contact wire for railway electrification |
| 09/04/2013 | CN103276189A Making method of low-tensile-strength weld wire steel |
| 09/04/2013 | CN103276175A Hot rolling method for increasing electromagnetic property of silicon steel |
| 09/04/2013 | CN103276174A Chromium-containing high silicon steel strip and preparation method thereof |
| 09/04/2013 | CN103276173A Process method for rolling plate from 4Cr13 medium plate corrosion resistance mold steel |
| 09/04/2013 | CN103276172A Energy-saving rolling method of low alloy steel based on critical temperature |
| 09/04/2013 | CN103273043A Method for preparing pure iron/columnar crystal high-silicon electrical steel composite plate blank |
| 09/04/2013 | CN102691007B High tempering parameter PWHT embrittlement resistant, extra thick cryogenic steel plate and manufacture method thereof |
| 09/04/2013 | CN102537531B Titanium/steel composite pipeline and preparation method thereof |
| 09/04/2013 | CN102534157B Hot rolling method for high-efficiency and high-grade electrical sheet product |
| 09/04/2013 | CN102492814B Manufacturing method of straight pull wire for high-carbon steel fine wires |
| 09/04/2013 | CN102400048B Cold work roll steel for high-strength steel rolling, cold work roll and its manufacturing method |
| 09/04/2013 | CN102029305B Production method of ultra-thick steel plate |
| 09/04/2013 | CN102022086B Manufacturing method of economical seamless oil well pipe for expansion pipe |
| 09/04/2013 | CN102010961B Process for producing steel tubes |
| 09/04/2013 | CN101812641B Ferrite stainless steel |
| 09/04/2013 | CN101802237B Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 08/29/2013 | US20130224063 Steel plate for pipeline, having excellent hydrogen induced crack resistance, and preparation method thereof |
| 08/29/2013 | US20130220490 Steel sheet and method for manufacturing steel sheet |
| 08/28/2013 | EP2631315A1 High strength non-oriented electric steel having higher magnetic flux density and manufacture method thereof |
| 08/28/2013 | EP2630269A1 Hot-rolled or cold-rolled steel plate, method for manufacturing same, and use thereof in the automotive industry |
| 08/28/2013 | CN203159734U Equipment for producing galvanization cutting wires |
| 08/28/2013 | CN103270180A Grain-oriented electric steel sheet having superior magnetic property and method for manufacturing same |