General Information Alloy steels comprise a wide variety of steels which have compositions that exceed the limitations of C,Mn,Ni,Mo,Cr,Va,Si,and B which have been set for carbon steels.However,steels containing more than 3.99% chromium are classified differently as stainless and tool steels..Alloy steels are always killed,but can use unique deoxidization or melting processes for Steels for bearings52100 Steel Equilibrium and Austenitisation.The calculated equilibrium phase fractions for the mean composition listed as 1C-1.5Cr in Table 1,as a function of temperature,are illustrated in Fig.4.This is representative of some of the most widely used bearing steels.SAE AMS6255 Steel Bars,Forgings,and Tubing 1.1Si - 1 SAE AMS6255,Revision F,November 2016 - Steel Bars,Forgings,and Tubing 1.1Si - 1.45Cr - 1.0Mo - 0.08Al (0.16 - 0.22C) Double Vacuum Melted.Form This specification covers a premium aircraft quality,low-alloy steel in the form of bars,forgings,mechanical tubing,and forging stock.
Property Heat-treated steel,e.g.42CrMo4/4140 25MoCr4/8620.Bearing steel 52100 Fe-1C-1.45Cr High strength heat-treated steel,e.g.34CrNiMo6/4340.PremoMet AlloyMaterial Comparison For Steel PlateHeat-resisting Material Comparison (Stainlesss Steel Bar) China USA Germany Japan France UK International GB1220-92 AISIASTM DIN17440 DIN17224 JIS NF A35-572 NF A35-576582 NFA35-584 BS 970 BS 1449 ISO683/13 ISO683/16 1Cr17MN6Ni5N 201,S2010 SUS201 A-2 1Cr18Mn8Ni5N 202,S20200 SUS202 284S16 A-3
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-45CrNiMoVA GB-45CrNiMoVA / , , , File Size 1MBPage Count 345Mn Carbon Steel Round Bar 45# Round Bar ssroundbar45Mn is more successful new steel grade instead of 40Cr steel.45Mn has higher strength,hardness,wear resistance and good toughness.45Mns hardenability is higher than 45Cr and hardening diameter is 18 ~ 33 mm in oil critical.45Mn is usually used under the condition hardening and tempering and the temperature range for 45Mn is 20425.
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Alloy Steel Material Comparision GB1591 GB/T1591 ASTM DIN JIS NF BS 09MnV 09MnNb 09Mn2 12Mn Q295 13Mn6 12MF4 18Nb 09MnCuPTi 10MnSiCu Q345 12MnV 14MnNb 16Mn SA299Gr.1Gr.2A SA455Ty.1Ty.2 SA414Gr.G 17Mn4 19Mn5 19Mn6 SPV32 A52C1 A52C2 A52CR1 A52CR2 1633GR.L 16MnRE 10MnPNbRE Q345 15MnV A255Gr.A A255Gr.B 15MnV 15MnTi 16MnNb Q39040Cr Steel Equivalent,Mechanical Properties Chemical Dec 08,2019 45Cr steel in UK#0183;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,low notch 12345NextSteel Grade List Between Countries (JFS) 47 , 2006
Common Steel Material Comparison Table Type China Former Soviet Union USA UK 45Cr 45X 5145,5147 534A99 SCr445 45C4 38CrSi 38XC 12CrMo 12XM 620CR.B 12CD4 13CrMo44 15CrMo 15XM A-387Cr .B 1653 STC42 12CD4 16CrMo44 STT42 STB42