gb t 3077 12crni3 quenching and tempering steel

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gb t 3077 12crni3 quenching and tempering steel

20Cr Alloy Structure Steel - Special steel china supplier

Hardening of GB Alloy structural steel 20Cr; First quenching heated slowly to 880°C,Then after adequate soaking at this temperature quench in oil or water.Temper as soon as tools reach room temperature.Second quenching heat to 780-820°C then quenching in oil or water.Tempering of 20Cr Alloy structural steel20CrMoTi Nitriding gear steel Shew-e steelSep 26,2019·Ordinary tempered structural steel like 42CrMo4,35CrMoV,25Cr2MoV and other materials can also be used to make nitriding gear.20CrMnTi gear steel is a commonly in accordance with the standards of the former Soviet union in China according to GB/T 3077,GB/T 5216-2014 and GB/T 33160-2016(gears for wind power generation).The table below showed 20MnCrti Steel Gear Steel Case Hardening Steel MalaysiaLow temperature tempering 150-200 Cool in ari,get 61-66HRC hardness.Hot work and cold work of 20CrMnTi Alloy Gearing steel; GB 20CrMnTi steel can hot worked at 205 to 538°C,20CrMnTi Bearing/Gearing steel can be cold worked using conventional techniques in the annealed or normalized conditions.Mechanical Properties

42CrMo Steel Equivalent,Chemical Composition,Mechanical

IntroductionApplicationsDatasheetEquivalent42CrMo steelis a Chinese alloy steel,and has high strength and toughness,good hardenability,and no obvious temper brittleness.After quenching and tempering treatment,it has high fatigue limit and resistance to multiple impacts,and good low temperature impact toughness.See more on theworldmaterial20CrMoTi Gear Steel Bar,GB3077 round bar - World Iron 20CrMnTi gear steel is a commonly in accordance with the standards of the former Soviet union in China according to GB/T 3077,GB/T 5216-2014 and GB/T 33160-2016 (gears for wind power generation).20CrMoTi steel is a type of low-carbon alloy steel which widely used in gear with good strength and toughness and higher hardenability,in order to meet the requirements of wear resistance,corrosion 42CrMo4 DIN 1.7225 Steel Round Bar Plate Material 42Crmo4 Steel Round Bar CharacteristicsHeat TreatmentApplication42Crmo4 Steel Bar Sheet Plate Supply High strength and hardenabilityGreat toughness,the deformation is small in the quenchingIt has high creep resistance and long-time strengthIt has high creep resistance and long-time strengthA brief inroduction of 40Cr alloy structual steel SHEW-E Jan 07,2019·Except quenching and tempering,40Cr is also suitable for nitriding and high-frequency quenching.The hardenability of 40Cr steel is good,which can be reached to 28 ~ 60mm in water quenching and 15 ~ 40mm in oil quenching.When 174 ~ 229HBS,the relative machinability is 60%. Mechnical PropertyGB/T 3077-1999 Sample Size mm

EN19 Steel 4140 1.7225 SCM440 42CrMo4 - OTAI

EN19 Steel is a high quality Quenched and Tempered Alloy Structural steel,It belong to the high quality medium carbon,Oil Quenched Tempered Hardenss is 28-34 HRC.EN 19 steel Annealing delivery hardenss less than 250HB.Related Specifications ASTM A29/A29M DIN EN 10083/3 JIS G4053 GB GB/T 3077GB/T 16924-2008 PDF English.- Chinese StandardThis standard replaces GB/T 16924-1997 quenching and tempering of steel parts of the standard. Compared with GB/T 16924-1997,with the following modifications and additions.--- Certain technical content has been adjusted (see Chapter 1,Chapter 2,Section 3,5.1,5.3,Table 1,Table 3 to Table 11);GB/T 30CrMnSiA Alloy Round Steel Bars / Bright Hot Rolled INTRODUCTION .Alloy structural steel is a kind of steel which is used as mechanical parts and various engineering components,whichcontains one or more alloy elements..30CrMnSiA is a medium carbon with high strength and poor welding performance.30CrMnSiA has high strength and sufficient toughness after quenching and tempering,and hardenability is also good.

GB/T 34882-2017,PDF in English - Chinese Standard GB/T

GB/T 34882-2017 English 150 Add to Cart 0--10 minutes.Auto immediate delivery.Induction hardening and tempering of iron and steel parts GB/T 34882-2017 Valid GB/T 34882-2017 GB/T 34882-2017 Chinese 18 Add to Cart =1-day [PDF from Chinese Authority,or Standard Committee,or Publishing House]GB/T3077 12Cr1MoV alloy structure steel forged bar -Bebon International is a professional GB/T3077 12Cr1MoV alloy structure steel forged bar steel exporter and a steel Stockist in china.We keep more than 1000 tons GB/T3077 12Cr1MoV alloy structure steel forged bar steel in stock every month.Gb3077 - SlideShareJun 18,2015·Gb3077 1.Foreword The standard has revised GB/T 3077-1988 The Technical Conditions of Alloy Structure Steel.There have been some changes in this nationals standard over its previous edition in the following technical aspects - Change the name of the standard to Alloy Structure Steel; - After consultation between the two sides of supply and demand,the bar stock of which the

Grade 20Cr Steel Composition,Properties,Material Equivalent

20Cr Steel Grade.20Cr steel is a kind of Chinese GB standard alloy steel.It has good comprehensive mechanical properties after quenching and low temperature tempering good low temperature impact toughness and temper brittleness is not obvious.gb t 3077 12crni3 steel exporter gb t 3077 45crni quenching and tempering steel China Buy GB/T 3077 30CrMnSiA alloy steel katalor special steelGB/T 3077 30CrMnSiA alloy steel.20171215.Font Size +Back to list.30CrMnSiA is a medium carbon with high strength.30CrMnSiA has high strengthgood hardenability and sufficient toughness after quenching and tempering.Meanwhile,30CrMnSiA has good process ability,small processing deformation and good fatigue resistance and it

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