K110 Steel

K110 Steel

Steel name: K110
Diagram No.: 2251
Mat.No. (Wr.Nr.) designation: 1.2379
DIN designation: X153CrMoV12
AISI/SAE designation: D2
JIS designation: ~SKD11
Chemical composition in weight %: 1.55% C, 0.30% Si, 0.30% Mn, 11.30% Cr, 0.75% Mo, 0.75% V
Steel group: Cold work tool steels
Properties: Dimensionally stable, ledeburitic 12% chromium steel with very good wear resistance and acceptable toughness.
Applications: High-performance cutting tools (dies and punches), die-cutting tools, woodworking tools, shear knives for thin items, thread rolling tools. Drawing, deep drawing and extrusion press tools, pressing tools for the ceramic and pharmaceutical industry, cold rolling (work rolls) for multi-roll stands, gauges, smaller plastic molds, which require high wear resistance.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1030 - 1070°C, 1886 - 1958°F. Difficultly shaped tools in air, simply shaped tools in compressed air, oil, hot bath (220 to 250°C/428 to 482°F or 500 to 550°C/932 to 1022°F) or gas. Holding time after complete soaking: 15 to 30 minutes. Achievable hardness: 58 - 61 HRC.
Tempering: Slow heating to tempering temperature immediately after hardening/ time in furnace 1 hour for each 20 mm of workpiece thickness but at least 2 hours/cooling in air. Please refer to the tempering chart for obtainable hardness after tempering. Tempering after the secondary hardness maximum is recommended.
Diagram note: No data

Tempering Diagram

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Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

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