4145H steel

4145H steel

Short Description:

Description AISI 4145H 120 KSI Alloy Steel Bar for Drilling Collar, Drill Pipe, Square Kelly, Lifting Sub, Stabilizer Chemical Composition (%) C Si Mn P S Cr Mo Ni Cu 0.42 0.49 0.15 0.35 0.80 1.15 ≤ 0.020 ≤ 0.025 0.75 1.20 0.15 0.45 ≤ 0.25 ≤ 0.30 Dimensions Hot Rolled Forged Diameter (mm) 50-130 100-1300 Length (mm) 4000-10000 3000-10000 Delivery Condition EAF+LF+VD, Hot Rolled or Forged, Machined, Q+T, UT 100% P...


  • 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
  • Product Detail

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    Description
    AISI 4145H 120 KSI Alloy Steel Bar for Drilling Collar, Drill Pipe, Square Kelly, Lifting Sub, Stabilizer
    Chemical Composition (%)

    C

    Si

    Mn

    P

    S

    Cr

    Mo

    Ni

    Cu

    0.42
    0.49

    0.15
    0.35

    0.80
    1.15


    0.020


    0.025

    0.75
    1.20

    0.15
    0.45


    0.25


    0.30

    Dimensions

    Hot Rolled

    Forged

    Diameter (mm)

    50-130

    100-1300

    Length (mm)

    4000-10000

    3000-10000

    Delivery Condition
    EAF+LF+VD, Hot Rolled or Forged, Machined, Q+T, UT 100% Passed
    Mechanical Properties

    Tensile Strength
    PSI (MPa)

    Yield Strength
    PSI (MPa)

    Elongation

    Reduction
    of
    Area

    Hardness

    Min.

    140000

    120000

    14%

    45%

    30 HRC
    (285 HB)

    Max.

    ——

    ——

    ——

    ——

    36 HRC
    (341 HB)

    Characteristics
    AISI / SAE 4145H grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. The steel has good fatigue strength and impact toughness in low temperature, weldability and machinability.
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