42crmo4 _ 1

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4/28/2015 42CrMo4 / 1.7225 Alloy special steel equivalent, chemical composition, properties http://www.steelnumber.com/en/steel_composition_eu.php?name_id=335#1 1/3 European Steel and Alloy Grades / Numbers SteelNumber.com Home Steel numbers Steel and cast iron standards Alloy standards Equivalent grades Search Russian steels About us YOU HERE: Steel numbers > Number 1.72XX OR Steel and cast iron standards > / EN 100833 / EN 101323 / EN 103051 / EN 10269 / EN 102634 / EN 102503 / EN 102971 42CrMo4 ( 1.7225 ) Grade : 42CrMo4 Number: 1.7225 Classification: Alloy special steel Standard: EN 100833: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels EN 101323: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Steels for quenching and tempering EN 103051: 2010 Steel tubes for precision applications. Seamless cold drawn tubes. Technical delivery conditions EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties EN 102634: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for steels for quenching and tempering EN 102503: 2000 Open steel die forgings for general engineering purposes. Alloy special steels EN 102971: 2003 Seamless circular steel tubes for mechanical and general engineering purposes. Nonalloy and alloy steel tubes. Technical delivery conditions Equivalent grades: Go here Chemical composition % of grade 42CrMo4 (1.7225): EN 1008332006 C Si Mn P S Cr Mo 0.38 0.45 max 0.4 0.6 0.9 max 0.025 max 0.035 0.9 1.2 0.15 0.3 Mechanical properties of grade 42CrMo4 (1.7225) Nominal diameter (mm): to 16 16 40 40 100 100 160 160 250 250 330 330 660 Rm Tensile strength (MPa) (+QT) 1100 1300 1000 1200 900 1100 800950 750900 700 600 Nominal thickness (mm): 0.3 3 Rm Tensile strength (MPa) (+A) 620 Rm Tensile strength (MPa) (+AC) 630 Nominal thickness (mm): to 8 8 20 20 50 50 80 Rm Tensile strength (MPa) (+QT) 1100 1000 900 800 Rm Tensile strength (MPa) (+C) 720 Rm Tensile strength (MPa) (+LC) 670 Nominal diameter(mm): or for flat products thickness: to 8; 820; 2060; 60100; 100160; to 16 16 40 40 100 100 160 160 330 330 660 Re Upper yield strength or R p0.2 0.2% proof strength (MPa) (+QT) 900 750 650 500550 460500 390

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42CrMo4 _ 1

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  • 4/28/2015 42CrMo4/1.7225Alloyspecialsteelequivalent,chemicalcomposition,properties

    http://www.steelnumber.com/en/steel_composition_eu.php?name_id=335#1 1/3

    EuropeanSteelandAlloyGrades/NumbersSteelNumber.com

    Home SteelnumbersSteelandcastiron

    standardsAlloy

    standardsEquivalentgrades Search

    Russiansteels Aboutus

    YOUHERE:Steelnumbers>Number1.72XXORSteelandcastironstandards>/EN100833/EN101323/EN103051/EN10269/EN102634/EN102503/EN102971

    42CrMo4(1.7225)

    Grade: 42CrMo4

    Number: 1.7225

    Classification: Alloyspecialsteel

    Standard:

    EN100833:2006Steelsforquenchingandtempering.TechnicaldeliveryconditionsforalloysteelsEN101323:2000Coldrollednarrowsteelstripforheattreatment.Technicaldeliveryconditions.SteelsforquenchingandtemperingEN103051:2010Steeltubesforprecisionapplications.Seamlesscolddrawntubes.TechnicaldeliveryconditionsEN10269:1999Steelsandnickelalloysforfastenerswithspecifiedelevatedand/orlowtemperaturepropertiesEN102634:2001Steelrod,barsandwireforcoldheadingandcoldextrusion.TechnicaldeliveryconditionsforsteelsforquenchingandtemperingEN102503:2000Opensteeldieforgingsforgeneralengineeringpurposes.AlloyspecialsteelsEN102971:2003Seamlesscircularsteeltubesformechanicalandgeneralengineeringpurposes.Nonalloyandalloysteeltubes.Technicaldeliveryconditions

    Equivalentgrades: Gohere

    Chemicalcomposition%ofgrade42CrMo4(1.7225):EN1008332006C Si Mn P S Cr Mo

    0.380.45 max0.4 0.60.9 max0.025 max0.035 0.91.2 0.150.3

    Mechanicalpropertiesofgrade42CrMo4(1.7225)

    Nominaldiameter(mm): to16 1640 40100 100160160250

    250330

    330660

    RmTensilestrength(MPa)(+QT) 1100130010001200

    9001100 800950 750900 700 600

    Nominalthickness(mm): 0.33

    RmTensilestrength(MPa)(+A) 620

    RmTensilestrength(MPa)(+AC) 630

    Nominalthickness(mm): to8 820 2050 5080

    RmTensilestrength(MPa)(+QT) 1100 1000 900 800

    RmTensilestrength(MPa)(+C) 720

    RmTensilestrength(MPa)(+LC) 670

    Nominaldiameter(mm):orforflatproductsthickness:to8820206060100100160 to16 1640 40100 100160 160330 330660

    ReUpperyieldstrengthorRp0.20.2%proofstrength(MPa)(+QT) 900 750 650 500550 460500 390

  • 4/28/2015 42CrMo4/1.7225Alloyspecialsteelequivalent,chemicalcomposition,properties

    http://www.steelnumber.com/en/steel_composition_eu.php?name_id=335#1 2/3

    Nominalthickness(mm): 0.33

    Rp0.20.2%proofstrength(MPa)(+A) 480

    KVImpactenergy(J)longitud.,(+QT) +203035

    KVImpactenergy(J)transverse,(+QT) +2022

    Nominalthickness(mm): 0.33

    AMin.elongationLo=80mm(%)(+A) 15

    AMin.elongationatfracture(%)transverse,(+QT) 1014

    AMin.elongationatfracture(%)(+C) 4

    AMin.elongationatfracture(%)(+LC) 6

    Nominalthickness(mm): to16 1640 40100 100160 160250

    AMin.elongationLo=5,65So(%)(+QT),roundproducts 10 11 12 13 14

    Nominaldiameter(mm):orforflatproductsthickness:to8820206060100100160 to16 1640 40100 100160 160250

    ZReductionincrosssectiononfracture(%)(+QT) 40 45 50 50 55

    ZReductionincrosssectiononfracture(%)(+AC) 57

    Brinellhardness(HBW):(+S) 255

    Brinellhardness(HBW):(+A) 241

    Vickershardness(HV):(+A) 195

    Vickershardness(HV):(+QT) 340490

    Propertiesofgrade42CrMo4(1.7225)Weldability:Badweldabilityduetothehighcrackdanger.Hardenability:Mediumgoodhardenability,suitableforhotpurposestillatemperatureof500C.Itcanbehardenedinoil.

    Equivalentgradesofgrade42CrMo4(1.7225)Warning!Onlyforreference

    USA

    GermanyDIN,WNr

    JapanJIS

    FranceAFNOR

    EnglandBS

    ItalyUNI

    SpainUNE

    ChinaGB

    SwedenSS

    FinlandSFS

    RussiaGOST

    InterISO

    41404142

    42CrMo4 SCM440H 42CD4 708M40CFS11

    42CrMo4 40CrMo4F1252

    42CrMo 2244 42CrMo4 35KHM38KHM

    42CrMo4

    MechanicalpropertieseH Minimumyieldstrength/MindestwertderoberenStreckgrenze/Limitedelasticiteminimalem Tensilestrength/Zugfestigkeit/Resistancealatraction Minimumelongation/MindestwertderBruchdehnung/AllongementminimalJ Notchimpacttest/Kerbschlagbiegeversuch/Essaideflexionparchoc

  • 4/28/2015 42CrMo4/1.7225Alloyspecialsteelequivalent,chemicalcomposition,properties

    http://www.steelnumber.com/en/steel_composition_eu.php?name_id=335#1 3/3

    Heattreatmentconditions

    +A Softannealed+AC Annealedtoachievespheroidizationofthecarbides+AR Asrolled+AT Solutionannealed+C Colddrawn/hard+CR Coldrolled+FP Treatedtoferritepearlitestructureandhardnessrange+I Isothermalannealing+LC Colddrawn/soft+M Thermomechanicalrolling+N Normalized+NT Normalizedandtempered

    +P Precipitationhardened+PE Peeled+QA Airquenchedandtempered

    +QL Liquidquenchedandtempered+QT Quenchedandtempered+S Treatedtoimproveshearability+SH Asrolledandturned+SR Colddrawnandstressrelieved+T Tempered+TH Treatedtohardnessrange+WWWarmworked+U Untreated

    Alloyspecialsteel42CrMo4(1.7225)Chemicalcomposition,Equivalentgrades,Standards,Properties,Hardness,Strength,Elongation

    EuropeanSteelandAlloyGrades/Numbers20112015Allrightsreserved.Thecontentsfromthissitemaynotbereproduced.

    Theentireriskastouseofthesecontentisassumedbyyoutheuser