USA BS NF ISO ASTM SAE (1) manganese steel group 092 10Mn2 1513 1513 102 15Mn2 152.gbt 11251 35mn2 steel exporter - Carbon Steel Plate FactoryGBT 11251 20Cr steel property is the alloy steel plate of OTAI SPECIAL STEEL Supply in JIS SCr420 steel round bar,plate,sheet,square bar,flat bar,pipe since 2007.our steel stock more 1000tons.JIS SCr420 Effect of heat treatment process on impact - steel plates(1) After conventional quenching at 910 ,the microstructure of GBT 11251 30CrMnSi steel was martensite + retained austenite.After 910 quenching +630 tempering + 810 quenching,the microstructure of GBT 11251 30CrMnSi steel is fine lath martensite + retained austenite + ferrite.GB/T 11251 20Cr hot rolled structure steel plates - BBN SteelGB/T 11251 20Cr hot rolled structure steel plates can also be used as low-carbon steel for martensitic quenching,which further increases yield strength and tensile strength of 20Cr steel (about 1.5 ~ 1.7 times).GB/T 11251 20Cr hot rolled structure steel plates chemical composition:
GB/T 11251 20Cr hot rolled structure steel plates ,GB/T 11251 20Cr hot rolled structure steel plates are widely used to manufacture carburized parts (oil quenching) that have high requirements for core strength,bearing surface wear,section below 30mm,shape is complex and load is small.For example machine transmission gear,gear shaft,cam,worm,piston pin,claw clutch.GB/T 11251 30CrMnSiA alloy steel plates - BEBON steelGB/T 11251 30CrMnSiA alloy steel plates are medium carbon tempered steel with high strength and poor welding performance.After quenching and tempering,30CrMnSiA alloy steel plates have high strength and toughness and good hardenability.GB/T 11251 30CrMnSiA alloy steel platesGB/T 11251 30CrMnSiA hot rolled structure steel plates GB/T 11251 30CrMnSiA hot rolled structure steel plates are medium carbon tempered steel with high strength and poor welding performance.After quenching and tempering,30CrMnSiA alloy steel plates have high strength and toughness and good hardenability.GB/T 11251 30CrMnSiA hot rolled structure steel plates chemical composition:
GB/T 11251 30CrMo is a Alloy structural steelBBN steel specialized in supplying Alloy steel plate in 30CrMo.For more information of 30CrMo steel plates.BBN steel Specification in 30CrMo Alloy Steel Plate Thickness 8MM to 250 MM,GB/T 11251 35CrMnSiA hot rolled structure steel plates GB/T 11251 35CrMnSiA hot rolled structure steel plates of BBN steel are widely used to manufacture medium speed,heavy load,high strength,high toughness parts and high strength components.BBN steel is willing to be your reliable 35CrMnSiA hot rolled alloy steel plates supplier.GB/T 11251 40Cr hot rolled structure steel plates - BBN SteelBBN steel is professional exporter of GB/T 11251 40Cr hot rolled structure steel plates in China.GB/T 11251 40Cr grade equivalernt materials DIN material No.1.7035/1.7045,France AFNOR 42C4,France NF steel 38Cr4/41Cr4,Italy UNI 41Cr4,Belgium NBN 42Cr4,Sweden SS 2245,American AISI/SAE/ASTM 5140,Japan JIS steel grade SCr440 (H) /SCr440,the ISO 41Cr4.
GB/T 11251 40Cr hot rolled structure steel plates ,BBN GB/T 11251 40Cr hot rolled structure steel plate is one of the most widely used steel in the machinery manufacturing industry.After quenched and tempered,GB/T 11251 40Cr hot rolled structure steel has good and comprehensive mechanical properties,good low temperature impact toughness and low notch sensitivity.High strength GB/T 11251 35CrMnSiA steel plates for GB/T 11251 35CrMnSiA steel plates are widely used to manufacture medium speed,heavy load,high strength,high toughness parts and high strength components.BBN steel has been engaged in GB/T 11251 35CrMnSiA steel plates since 2000,and always try to offer more added value to our clients.National Standard of PRC Alloy Structure Steels GB/TThe standard applies to alloy structural steel bar 250mm maximum diameter or thickness.After consultation between the two sides of supply and demand,bar stock of diameter greater than 250 mm can also be provided The chemical compositions of steel grades specified in the standard also apply to steel ingot,billet and its productions.2.
GBT 11251 30CrMo structural steel has good machinability and medium plasticity during cold deformation; the first kind of tempering brittleness is in the range of 300~350 C during heat treatment,and has the tendency to form white spots.gb t 3077 45crni quenching and tempering steel China Buy Gbt 11251 18crnimnmoa Steel Sheet gedichtvanlicht.nl.gb t 3077 50crni steel performance specifications.Application of GB T 3077 20CrNi steel Specs GB T 3077 20CrNi steel Specs is widely used in the landing gear,shaf,gear,solid rocket engine shell,bearings,dies,block and so on.GBT 11251 20CrNi3 steel performance specifications.
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