The cross wedge rolling (CWR) deformation and fracture of a Ti6Al4Al (ELI) alloy were investigated experimentally and numerically using a coupled thermo-mechanical finite element model analysis. 21 4n cr stainless steelAlloy Carbon Steel - an overview ScienceDirect Topics Valves may be made of plain carbon alloy steels in the case of intake valves,however,higher hot-strength,corrosion,and wear resistance are required for exhaust valves.Materials of choice are heat-treatable FeCrSi (Silchrome) alloys or austenitic stainless steels (e.g.,designation 21-4N).
W.-Y. Li, Yu, Li, Zhang, & Wang  developed a friction heat-assisted electric arc welding process to join austenitic stainless steel (21-4N) and martensitic stainless steel (4Cr9Si2) from 4 mm ManusteelcnChina steel suppliers - Superior technology Stainless Steel Wire Rod & Flat Bar; Manusteelcn has ultra-high-power U.H.P,LF,VD,ESR,alloy steel billet continuous casting machine,825MM rougher and finishing mill,high-precision alloy steel wire rod and bar rolling mill,650MM*700 hot rolling strip mill,4500tons and 2000tons of free forging hydraulic press set,electro-hydraulic hammer and other advanced equipment and strong technical force Numerical analysis and experiment on cross wedge rolling Jul 01, 2015 · Steel 4Cr9Si2 is a martensitic heat-resistant steel for the valves of automobile engines. This steel has high strength, toughness and wear resistance by carbon-nitride precipitation hardening, a stable structure with temperature change, and high oxidation resistance at a service temperature ranging from 700 °C to 800 °C.
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