Factory Free sample China Manufacturer AISI 4130 4140 4340 Mild Carbon Steel Round Bar Iron Rod for Construction

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Hot Rolled Round Steel Bar
Cold Rolled Rould Steel Bar
Forged Round Steel Bar
UT Test


  • FOB Price: US $0.5 - 100 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Delivery : Within 10 days
  • Quality : Support third-party detection
  • Payment: TT/LC
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    Products Description
    Product Name  Carbon steel round bar
    Material ASTM
    1005,1006,1008,1010,1015,1020,1025,1030,1035,1040,1045,
    1050,1055,1060,1065,1070,1080,1084,1016,1022,4130,4140,4340
    DIN Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4
    BS 040A04,095M15,045M10,080A40,045M10,080M50
    GB Q195, Q235,Q345
    Standard GB/T799,ASTM A29,A108,A321,A575,BS970,DIN1652,JIS G4051
    Surface Black painted,galvanized
    Specifications Round bar 8mm~800mm
    Angle bar 3mm*20mm*20mm~12mm*800mm*800mm
    Square bar 4mm*4mm~100mm*100mm
    Flat bar 2*10mm~100*500
    Hexagonal 4mm~800mm
    Length 2m,4m,5.8m,6m,11.8m,12m or as required.
    Conditions of heat treatment
    1.Annealing: 880℃ Furnace cooling
    2.Normalization: 880~870℃  Air cooling
    3.Hardening: 820~870℃ Water cooling
    4.Tempering: 550~650℃ Rapid cooling
    Mechanical Properties  
    (1) Material
    Tensile strength (kgf/mm²): >58
    Yield strength (kgf/mm²): >35
    Elongation (%): >20
    Cross section reduction rate (%): >45
    Hardness (Hb): 167~229
    (2) After heat treatment
    Tensile strength (kgf/mm²): >70
    Yield strength (kgf/mm²): >50
    Elongation (%): >17
    Cross section reduction rate (%): >45
    Hardness (Hb): 201~269
    Mechanical Properties  can be gotten by diffierent heat treament
    Carbon Round Steel Bar Slices
    
    

     


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