Our steels have been widely applied to many industries and fields, such as the construction industry, shipbuilding industry, pressure vessels and boilers, oil and gas, bridge construction, offshore platforms, stamping cold forming,etc.
Super Alloy 21-4N Valve Steel - Material ScienceSuper alloy 21-4N valve steel can be hardened at 1140 to 1180ºC (2084 to 2156ºF) and then water quenched. Applications Super alloy 21-4N valve steel is widely …
21-4n Engine Valve Materials, 21-4n Engine Valve Materials ...There are 340 21-4n engine valve materials suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 21-4n engine valve materials respectively. 1-4n engine valve materials products are most popular in South America, Africa, and Domestic Market.
21-4n Engine Valve, 21-4n Engine Valve Suppliers and ...Alibaba offers 19,051 21-4n engine valve products. About 3% of these are machinery engine parts, 1% are other auto parts, and 1% are stainless steel bars. A wide variety of 21-4n engine valve options are available to you, such as diesel, natural gas, and gasoline. You …
21-4n Valve Steel, 21-4n Valve Steel Suppliers and ...Alibaba offers 611 21-4n valve steel products. About 11% of these are steel round bars. A wide variety of 21-4n valve steel options are available to you, such as din, aisi, and astm. You can also choose from free samples. There are 611 21-4n valve steel suppliers, mainly located in Asia.
Valves - 21-4N stainless steel Valve Material - Free ...Find Valves with 21-4N stainless steel Valve Material and get Free Shipping on Orders Over $99 at Summit Racing! ... Make/Engine Loading Recent Engines ... Valves, Exhaust, 21-4N Stainless, 1.500 in. Head Diameter, 4.911 in. Length, Chevy, Small Block, Set of 8 ...[PDF]
Understanding Valve Design and Alloys - sbintlUnderstanding Valve Design and Alloys By Doug Kaufman To the naked eye, a valve is a valve is a valve. ... less than 21-4N because it contains less nickel. 21-4N is also an austenitic stainless steel with the ... applications, the exhaust valve material of choice is 21-4N – or titanium.
What are the material used in inlet & exhaust valve? Why ...For most performance applications, the exhaust valve material of choice is 21-4N – or titanium. Titanium is often viewed as the ultimate valve alloy material because it is about 40 percent lighter than steel, making it a good alternative for high revving engines.
Engine Valve Material (21-4N) - made-in-chinaChina Engine Valve Material (21-4N), Find details about China Engine Valve Steel, Steel Bars from Engine Valve Material (21-4N) - Jiangsu Xinghai Special Steel Co., Ltd.
Material 21 4N 4Cr9Si2 40Cr 4Cr10Si2Mo 23 8N engine valve ...Application of Material 21 4N 4Cr9Si2 40Cr 4Cr10Si2Mo 23 8N engine valve for 4FG1: Material 21 4N 4Cr9Si2 40Cr 4Cr10Si2Mo 23 8N engine valve for 4FG1 is widely used in the landing gear,shaf,gear,solid rocket engine shell,bearings,dies,block and so on.[PDF]
CHAPTER 3 VALVE STEEL MATERIAL AND THERMAL …VALVE STEEL MATERIAL AND THERMAL PROCESSING ... There are essentially two basic types of steel used to make engine valves. One is "martensitic" steel and the other is "austenitic" steel. The ... For the 21-4N valve steel the solutionized samples are kept in the mechanical freezer at 193K ...
USA UNS 21-4N, Precipitation-Hardening steel, SAE J 775 ...This page cover the Mechanical Properties, Chemical Element, Cross Reference of USA UNS 21-4N steel grade, Application Engine poppet valve information report, …[PDF]
VALVE SELECTION GUIDELINES - fme-catExhaust valves are made of 21-2N or 21-4N stainless steel, which offers greater high temperature strength and ... engine application, guide material, and on the type of stem seal selected. Stem that are ... valve as well. 21-4N: An Austenitic stainless steel similar to 21-2N, except for a greater nickel content (4%), used as an[PDF]
starwire.inEngine Valve Steels Product Introduction These highly alloyed (Mn-Ni-Cr-Mo-N) magnetic and non-magnetic steels are used for inlet &ExhaustVaIves for IC ... Vacuum Degassed routes to achieve maximum cleanliness of the steel. Ingots are then Rolled into billets and ... 21-4N 21-12N 23-8N 21-43 Condition Hardened & Tempered Ageing after solution ...
Heat Resistant Ev8 21-4n Engine Valve Steel Bar Price Per ...Engine valve steel bars are generally used in harsh conditions of high temperature, high pressure, high erosion and high abrasion.The main materials for engine valve steel bars are . 21-2N,21-4N,21-4NWNb,HNV1,HNV3,X50CrSi82.
Effect of cryogenic treatment on the tensile behaviour of ...The 21-4N valve steel is heat-resistant steel used as the plate material of diesel engine exhaust valves in the automobile industry. Engine valves are required to operate satisfactorily over long periods of time at elevated temperatures, under high stress, and in corrosive environments.
engine valve steel bars - 21-4N - Metal B2BBuy engine valve steel bars 21-4N from Metal B2B, engine valve steel bars features: Engine Valve Steel Bars, 1.valve steel manufacturer, 2.can be customized, …
Tribological Characterization of N 80A and 21-4N Valve ...Tribological Characterization of N 80A and 21-4N Valve Materials Against GGG-40 Seat Material Under Dry Sliding Conditions at Temperatures Up To 500 °C ... 2001, “ Engine Valve and Seat Insert Wear Study With a Simulator,” Sci. China Ser. ... Jenkins, L. , and Larson, J. , 1978, “ The Development of a New Austenitic Stainless Steel ...
Multi-response optimisation of the deep cryogenic ...The Grey-Taguchi method is used to optimise the deep cryogenic treatment (DCT) process for the maximum enhancement in the wear resistance, hardness and tensile strength of the 21-4N valve steel, which is used as the plate material of diesel engine exhaust valves in the automobile industry.
Valve/Material: 40Cr, 40Cr9Si2, 4Cr10Si2Mo, 5Cr21Mn9Ni4N ...Engine bearing Type: 1. IN valve (inlet valve) 2. EX valve (outle valve) Features: 1. Material: 40Cr, 40Cr9Si2, 4Cr10Si2Mo, 5Cr21Mn9Ni4N(21-4N) 2. The valve's cone surface with heat resistance hardening chromium plating 3. A little end face of nitride rod position with a thin steel plate by butt welding 4. High precision and high heat resistance 5.
Auto Peugeot Engine Spare Engine Valve Spindle China ...Exhaust Valve:21-4N,21-4N+4Cr9si2, also customized COMPANY INFORMATION Products cover ships, trains, cars, agricultural machinery and other internal combustion engine valves, valve seats, guide bushes, etc., for a number of well-known diesel engine manufacturers matching.