Q345 235STEEL

Q345 235STEEL

Short Description:

Q345 Steel Chemical Composition: Steel Standard Steel Grade Chemical Composition C≤ Mn Si≤ P≤ S≤ V Nb Ti Al≥ Q345 A 0.020 1.00~1.60 0.55 0.045 0.045 0.02~0.15 0.015~0.060 0.20 - B 0.020 1.00~1.60 0.55 0.040 0.040 0.02~0.15 0.015~0.060 0.20 - C 0.020 1.00~1.60 0.55 0.035 0.035 0.02~0.15 0.015~0.060 0.20 0.015 D 0.020 1.00~1.60 0.55 0.030 0.030 0.02~0.15 0.015~0.060 0.20 0.015 E 0.020 1.00~1.60 0.55 0.025 0.025 0.02~0.15 0.015~0.060 0.20 0.015 Q345 Steel Mechanical Prop...


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
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    Q345 Steel Chemical Composition:

    Steel Standard Steel Grade Chemical Composition
    C≤ Mn Si≤ P≤ S≤ V Nb Ti Al≥
    Q345 A 0.020 1.00~1.60 0.55 0.045 0.045 0.02~0.15 0.015~0.060 0.20 -
    B 0.020 1.00~1.60 0.55 0.040 0.040 0.02~0.15 0.015~0.060 0.20 -
    C 0.020 1.00~1.60 0.55 0.035 0.035 0.02~0.15 0.015~0.060 0.20 0.015
    D 0.020 1.00~1.60 0.55 0.030 0.030 0.02~0.15 0.015~0.060 0.20 0.015
    E 0.020 1.00~1.60 0.55 0.025 0.025 0.02~0.15 0.015~0.060 0.20 0.015

    Q345 Steel Mechanical Property:

    Steel Standard Steel Grade Yield Strength Mpa Tensile Stregth Map Elongation %
    Q345 A 345 470~630 21
    B 345 470~630 21
    C 345 470~630 22
    D 345 470~630 22
    E 345 470~630 22

    Mechenical Property Comparision of Q345/Q235/S355:

    Steel Grade Tensile strength Yield strength Elongation afrer fracture
    S355 450-630Mpa ≥355MPa 21-22%
    S500MC 550-700Mpa ≥500MPa ≥12%
    Q345B 490-675Mpa ≥345Mpa ≥21%
    Q235B 375-500Mpa ≥235Mpa ≥26%

    Chemical Composition Comparision of Q345/Q235/S355:

    Steel Grade C Si Mn P S
    S355 ≤0.22 ≤0.55 ≤1.60 ≤0.025 ≤0.025
    S500MC ≤0.12 ≤0.50 ≤1.70 ≤0.025 ≤0.015
    Q345B ≤0.20 ≤0.50 ≤1.70 ≤0.035 ≤0.035
    Q235B ≤0.20 ≤0.35 ≤1.40 ≤0.045 ≤0.045

    Q345 Steel Equivalent Standard(ASTM/EN/JIS):

    Steel for boiler and other pressure vessels GB 713-2008
    ASTM A537-08
    JIS G3115
    Q245R (20g/20R); Q345R (16Mng/16MnR)
    Class 1/2/3
    SPV235; SPV315; SPV355
    High strength low alloy structural steel GB/T 1591-2008
    EN 10028-3-2003
    EN 10025-2004
    ASTM A572-07
    ASTM A588-05
    Q345 (A/B/C/D/E); Q390; Q420
    P355N
    S420N
    Grade 50; Grade 60
    Grade A; Grade B
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