Cr12 Alloy Tool Steel

Description:

Cr12 mold steel alloy tool steel for a typical domestic implementation of the standards GB/T 1299-1985

chemical composition:

mechanical properties:
Hardness: annealing , 269 ~ 217HB, indentation diameter 3.7 ~ 4.1mm; quenching , ≥ 60HRC
Heat treatment:

high temperature quenching 1100-1150℃, low temperature quenching 960 ~ 1050 ℃

first tempering 180~200 ℃, 2 hours, air cooling

second tempering 320~350 ℃, 2 hours, air cooling

Microstructure: tempered martensite and retained austenite undissolved carbides .

Delivery condition: annealed

Application:
Cr12 is widely used cold work die steel , high strength , good hardenability and good wear resistance, but poor toughness . Mainly used for small to withstand impact loads requiring high wear Die and punch , cold cut scissors, drill sets , gauge, wire drawing dies , pressure die , thread rolling plate , drawing die and thread rolling die.

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