results for this questionFeedbackGB/T 3077-2015 English Version,GB/T 3077-2015 Alloy

GB/T 3077-2015 English Version - GB/T 3077-2015 Alloy structure steels (English Version) GB/T 3077-2015,GB 3077-2015,GBT 3077-2015,GB/T3077-2015,GB/T 3077,GB/T3077,GB3077-2015,GB 3077,GB3077,GBT3077-2015,GBT 3077,GBT3077 results for this questionWhat is GB T standard?What is GB T standard?This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.This Standard replaces GB/T 699-1999 Quality Carbon Structural Steels.Compared with GB/T 699-1999,the main technical changes are as follows.- Deleted steel bar classification according to metallurgical quality; added GB/T 699-1999,PDF in English - Chinese Standard results for this questionWhat is the hardness of GB 20CR steel?What is the hardness of GB 20CR steel?GB 20Cr alloy Steel is a high quality Quenched and Tempered Alloy Structural steel,It belong to the high quality low carbon,Low alloy chromium,molybdenum,nickel case hardening steel.Oil Quenched Tempered Hardness is 28-34 HRc.20Cr Alloy Structure Steel - Special steel china supplier

results for this questionWhat should the temperature of a quenching agent be?What should the temperature of a quenching agent be?Quenching temperature 820-880 °C (1500-1616°F),austenitizing period at least 30 min (guide value),quenching agent oil or water.The temperature at the lower end of the range is generally suitable for hardening in water,and the temperature at the upper end is suitable for hardening in oil.42CrMoS4 +QT (1.7227) Steel 42CrMoS4V Material Properties 20Cr Alloy Structure Steel - Special steel china supplier

The 20Cr alloy steel will get MAX 250 HB Brinell hardness.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.20CrMoTi 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

20CrMoTi Nitriding gear steel Shew-e steel

Sep 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 38CrMoAl Alloy Structure Steel (Nitride Steel)- BBNSTEEL Jan 19,2021·1/19/2021.38CrMoAl is an alloy structural steel characterized by high aluminum composition,which is generally used after quenching and nitriding.After nitriding,38CrMoAl has high surface hardness,wear resistance and fatigue strength,40Cr Alloy Structure Steel-GB/T 3077-China Steel materialOil Quenched Tempered Hardness is 28-34 HRc.GB 40CR steel Annealing delivery hardenss less than 250HB.40CR With a lower carbon content range,So GB 40CR alloy steel have good weldability.Related Specifications ASTM A29/A29M DIN EN 10083/3 JIS G4053 GB/T 3077

40Cr Steel CNC Machining Parts CNC Mechanical Steel

CNC Machining 40Cr Steel Parts.40Cr Steel Is The Standard Steel Grade Of GB In Our Country,And 40Cr Steel Is One Of The Most Widely Used Steels In Machinery Manufacturing Industry.After Quenching And Tempering,It Has Good Comprehensive Mechanical Properties,Good Low Temperature Impact Toughness And Low Notch Sensitivity.40Cr Steel Equivalent,Mechanical Properties Chemical Dec 08,2019·40Cr Alloy Steel.40Cr steel is a kind of Chinese GB standard alloy steel for engineering and machinery purpose,and one of the most widely used steel grades.For 40Cr material hardness,specifications and equivalent,please see the table below.After quenching and tempering treatment,40Cr steel has good comprehensive mechanical properties,low temperature impact toughness,low4140 Alloy Steel 1.7225 SCM440 42CrMo4 - OTAI The hardness of the steel can be increased if it has lower tempering temperature.For example,tensile strength of 225 ksi cab be achieved by tempering at 316°C (600°F),and a tensile strength of 130 ksi can be achieved by tempering at 538°C (1000°F).Hardening AISI 4140 alloy steel can be hardened by cold working,or heating and quenching.

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 theworldmaterialGrade 20Cr Steel Composition,Properties,Material Equivalent20Cr 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.When carburizing,the grain of steel has a tendency to grow,so secondary quenching is required to 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 strength42CrMoS4 +QT (1.7227) Steel 42CrMoS4V MaterialQuenching temperature 820-880 °C (1500-1616°F),austenitizing period at least 30 min (guide value),quenching agent oil or water.The temperature at the lower end of the range is generally suitable for hardening in water,and the temperature at the upper end is suitable for hardening in oil.

A 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 AISI 4340 Alloy Steel-SAE UNS G43400 steel - OTAI Special 4340 steel properties is very similar with GB 40CrNiMo steel,JIS SNCM439 and DIN 1.6511 36CrNiMo4 Alloy structural steel.At most work environment,4340 is equivalent with 40CrNiMo,1.6511 36CrNiMo4,SNCM439 steel.Related Specifications ASTM A29/A29M ASTM AISI SAE 4340 UNS G43400 DIN EN 10083/3 JIS G4053 GB/T 3077.4340 steel PDF Data DownChemical composition,Mechanical,physical - SteelGBT 40CrMnMo Steel Physical Properties by Longhai special steel - China steel suppliers E-mail [email protected] Quenching temperature °C Holding time min Hardening medium Temper te mperature °C After tempering hardness >=HRC A388 or GB/T 6402 Excellent service for all kinds of industries,with advantages of technologies

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 3077.1.Form of Supply.GB/T 16924-2008 English Version,GB/T 16924-2008GB/T 16924-2008 English Version - GB/T 16924-2008 Quenching and tempering of steel parts (English Version) GB/T 16924-2008,GB 16924-2008,GBT 16924-2008,GB/T16924-2008,GB/T 16924,GB/T16924,GB16924-2008,GB 16924,GB16924,GBT16924-2008,GBT 16924,GBT16924GB/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 32539-2016 PDF English.- Chinese Standard

GB/T 3077 alloy steel GB/T 4340.1 metallic materials - Vickers hardness test - Part 1.Test methods GB/T 4341 metal Shore hardness test GB/T 5216 guaranteed hardenability structural steel GB 5226.1 Safety of machinery electrical equipment Part 1.General requirements GB 5959.4 electric safety devices 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/T 38720-2020,PDF in English - Chinese Standard GB/T GB/T 38720-2020 English 220 Add to Cart 0--10 minutes.Auto-delivery.Microstructure examination of medium-carbon steel and medium-carbon alloy structural steel after quenching GB/T 38720-2020 Valid GB/T 38720-2020 GB/T 38720-2020 Chinese 28 Add to Cart =1-day [PDF from Chinese Authority,or Standard Committee,or Publishing House]

GB/T 699-1999,PDF in English - Chinese Standard GB/T;GBT

GB/T 699-1999 PDF in English version (GBT699-1999).Auto immediate delivery.Powered by Google-Search Google-Books ChineseStandard.net Database 169759 (Apr 11,2021)People also askWhen did GB / T 3077 steel supersede 1999 steel?When did GB / T 3077 steel supersede 1999 steel?GB/T 3077-2015 Alloy structure steels will supersede GB/T 3077-1999 Alloy structure steels from November 1,2016.GB/T 3077-2015 English Version,GB/T 3077-2015 Alloy SPV490Q steel heat treatment steel plate,SPV490Q steel 4) Under the same tempering conditions,the carbides precipitated by the directly quenched steel plate are fine and dispersed,while the carbides precipitated by the reheated quenched steel plate are relatively coarse.Delivery status SPV490 plate is delivered in the quenched and tempered state of quenching and tempering.