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40Cr steel Pipe is a kind of Chinese GB standard alloy steel for engineering and machinery purpose, and one of the most widely used steel grades.

After quenching and tempering treatment, 40Cr steel pipe has good comprehensive mechanical properties, low temperature impact toughness, low notch sensitivity, good hardenability, and high fatigue strength in cold oil. When water cooling, the complicated shape of the parts is prone to cracks, the cold bending plasticity is medium, and the cutting workability after normalizing is good, but the weldability is poor, should be preheated before welding, and is generally used in the state of quenching and tempering.


  • Product Details
  • Brand :
  • Place of Origin : China
  • FOB Price : USD 900
  • Minimum Order Quantity : 10
  • Supply Ability :
  • Packaging & Delivery
  • Packaging Detail :
    100% Eddy Current Testing.
    100% Size Tolerance Checking.
    100% Tube surface checking to avoid surface defects
  • Delivery Detail :
    Hot Rolled, Annealed, Normalized, Quenched and Tempered
    Packaging
    1. Bundle packing
    2. Beveled end or plain end or varnished as per buyer's required
    3. Marking: as per customer's requests
    4. Painting varnish coating on the pipe
    5. Plastic caps at ends
    Delivery time
    With 15-30 days after full payment received
Not Given