China Scm420 18crmo4 1.7243

SCM420 18CrMo4/1.7243 4118 Forged Carbon Alloy Case Hardening Steel1: 18CrMo4steel introduction
18CrMo4is a low carbon case hardening steel which has at least 0.9Cr%,0.15%Mo as strengthening elements as per EN10084 standard.It hasgood process performance ,and has high strength when temperature at 500-550 °C.The oxidation resistance is deteriorated and the creep strength is remarkably lowered when temperature exceeds 550°C.The weldability of 18CrMo4 steel is also very good, with excellent machining or cutting properties.
2: 18CrMo4Steel equivalentCountryJapanGermanyUSABritishStandardJIS G4105/JIS G4103DIN (W-Nr.)
EN 10250ASTM A29BS 970GradeSCM420 18CrMo4/1.7243 4118708M20
3:18CrMo4steel chemical compositiCutter & Tongs onGradeCSiMnCrMoPS18CrMo4/1.72430.15-0.21≤ 0.40.6-0.90.9-1.20.15-0.25≤ 0.025≤ 0.03518CrMoS4/1.72440.15-0.21≤ 0.40.6-0.90.9-1.20.15-0.25≤ 0.0250.02-0.04
4:18CrMo4steel mechanical propertiesDiameter d mm≤ 1616-4040-100Yield Strength Mpa≥835≥685≥590Tensile Strength Mpa1080-1370930-1300800-1150Elongation, %≥9≥9≥10Reduction of area ,%≥35≥35≥40Military Apparel impact,J≥25≥31≥31 The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman5:18CrMo4steel overviewsSizeRoundDia 6-1200mmPlate/Flat/BlockThickness
6mmPaper Machinery -500mmWidth
20mm-1000mmHeat treatmentNormalized ;Annealed ;Quenched ;TemperedSurface conditionBlack; Peeled; Polished; Machined; Grinded; Turned; MilledDelivery conditionForged; Hot rolled; Cold drawnTestTensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size,ultrasonic test, US inspection, magnetic particle testing, etc.Payment termsT/T;L/C;/Money gram/ PaypalTrade termsFOB; CIF; C&F; etc..Delivery time30-45 daysApplication18CrMo4 case hardening steel is widely in gear components of all kind and cog wheels. Open die steel forgings for general engineering purposes.High and medium pressure steam pipes, headers and superheaters.
6: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.
Hunan Qilu Industrial Co., Ltd has the capacity to forge round steel, steel flat, square steel, module, shaft and roller, etc. The main specifications of the products include Φ80-1000mm forging materials and 80-1200mm square billets and which the maximum piece weight can reach 50T.
Hunan Qilu Industrial Co., Ltdwere already engaged in exporting steWeighing & Measuring Apparatus el for 11 years, could supply agreat variety ofhot forged,hot rolledandcold drawn Steels,including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating and cutting service.Since 2008 year, Hunan Qilu Industrial hasthe right to export allFORGED STEELbehalf of Qilu Speical Steel Co.,ltdwhich isspecialized in smelting and forging of special steelsince 1965 year, now Qilu special steel isone of the biggest manufacturer of forged product in China.The forged productsare used in Automotive, Aerospace, Power Generation, Oil &Gas, Transportation and Industrial.We already set up the warehouse in Wuxi and Dongguan city, more than 20000 tons ex-stock could be supplied with kinds of size.Qilu Industrial is the professional one-stop steel manufacturer, stockist and exporter in China, our customers spread all over the world, include West Europe, North America,South America,Asia, Middle Asia, Africa,Australia, etc.The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining furnace and 4sets of 1-20t electroslag re-melting furnaces.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.
Hunan Qilu IndustrialColor Card & Color Comparator CO., LTD
Web: www.qilucs.comTel: 86-731-85185768
Fax: 86-0731-85185771