Hot Rolled 4140 Alloy Steel Round Bar
Shape
Shape:steel plate/flat bar/round bar
Technology:Hot work / Forged/cold drawn
Heat treatment:Annealed / Q+T
Surface condition:black,peeled,machined,milled,turned
Delivery condition:Hot rolled or forged, Peeled or black surface
Test:UT 100% / SGS
Certification:ISO/mill certificate
Density:7.85t/m^3
Specification
1.Chromium molybdenum alloy steel.
2.Slightly higher carton content than 4130.
3.Great strengh and heat treatment.
4.Good processability and easy polishing.
5.Good toughness and small quenching deformation.
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