-Forged Round bars
-Passed UT test
-high quality at wholesale price
DIN1.2343 ,a type of hot work tool steel
1.Standard: GB 4Cr5MoSiV/AISI H11/JIS SKD6.
2.Smelting feature: EAF+ LF+VD+ESR.
High hardnability,thermal strength and hardness.
Good toughness, thermal fatigue resisting
Good wear resistance in the medium temperature
Little deformations for heat-treated
Weak trending of iron oxide reaction in air cool
Excellent resistance to Aluminum-wash-erosion
.Annealing:860-890°C, hardness: ≤229HB
.Quenching temperature: 1000-1030°C,oil or air cooling
.Tempering temperature:530-580°C, tempering two times, hardness:47-49HRC
6.Application: used for die-casting moulds and thermal extrusion moulds to make aluminum forgings; drill holes tools, core rod, die- forging moulds and plastic moulds; and for making the strucsture parts of planes and rocket etc. that must work in the temperature of 400-500°C.
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