Supply high quality 18CR2NI4WA structural steel round steel with excellent quality

Chemical composition Carbon.~
Silicon.~
Manganese.~
Allowable residual content of sulfur
Allowable residual content of phosphorus
Chromium.~
Nickel.~< br/> Allowable residual content of copper
Tungsten.~
Mechanical properties
Tensile strength&()
Yield strength&()
Round steel
Round Steel
Elongation&(%)
Area reduction&(%)
Impact energy
Impact toughness value&()
Hardness
Heat treatment specification And metallographic structure
The heat treatment specification is quenching for the first time at ℃, second time at ℃, air cooling and tempering at ℃, water cooling and air cooling.
Delivery status
Delivery in heat treatment (normalizing, annealing or high temperature tempering) or non-heat treatment status, the delivery status should be specified in the contract.