1.2379plus Powder Metallurgical Steel

Ledeburitic 12% chrome steel, very high resistance against abrasive and adhesive wear due to a high volume of hard carbides in the steel matrix, good toughness, very good dimensional stability, high compressive strength, very good base material for PVD/CVD coating as well as nitriding due to its secondary hardening properties. Similar to AISI D2.

Manufactured by Dörrenberg Edelstahl.

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Area of Application

Cutting, punching, stamping tools, shear blades, thread rolling dies, cold extrusion dies, drawing and bending tools, flanging and straightening rolls, fine cutting tools, deep drawing tools, plastic moulds for abrasive polymers.

Chemical Composition

Carbon	Chromium	Molybdenum	Vanadium
C	Cr	Mo	V
1,55	12,00	0,80	0,90

Condition of delivery: Soft annealed to max. 255 HB

Heat Treatment

	Temperature	Cooling	Hardness
Soft annealing	820 - 850 °C	Furnace	229 HB
Stress Relief Annealing	600 - 650°C	Furnace
Hardening	1000 - 1030°C 1040 - 1080°C	oil, pressure gas (N2), air or hot bath	see tempering diagram

1.2379plus Powder Metallurgical Steel