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HOME --> MATRIX HIGH-SPEED STEELS --> DRM2

Daido's Dream Series

DRM2

Hot and Warm Forging Die Steel

High hard and tough matrix type high speed tool steel

Features

Matrix type high speed tool steel available for warm and cold forging tools where critical performance is required. DRM2 prolongs service life due to its higher hardness and toughness than those of conventional grades. 

  1. Applicable with the maximum hardness 62HRC
  2. Fine microstructure contributes to high toughness and fatigue strength
  3. Greater hardenahility results in high performance even in large dies and gas quenching in vacuum furnace. 
  4. Double melting realizes clean and homogeneous steel with less non-metallic inclusions

Applications

  • Warm forging dies and punches 
  • Cold forging dies and punches

Heat treatment

DRM2 Harden 1100C (2012F) Draws (minimum of 2) Maximum toughness 600C (1112F) HRC58
Recommend a minimum 6 barr quench Good toughness & wear 580C (1076F) HRC60
Maximum wear 550C (1022F) HRC62
Re-forging
Temperature
Heat treatment conditions (C) Hardness
Annealing Quenching Tempering Annealed Hardening/Tempering
Requested to inquire 800~880
Slow cooling
1050~1120
OQ, GC, Salt bath
550~620
AC, twice
235HB 56~62HRC
OQ: Oil quenching, GC: Gas quenching in vacuum furnace,  AC: Air cooling

Microstructure (As annealed)
Fine and uniform microstructure with less coarse carbides.

Tempering hardness
Toughness: charpy impact property
Temper softening resistance
Hot hardness
Heat checking resistance
Fatigue strength
Hardenability
Dimensional changes in heat treatment
Drilling machinability

Physical Properties

Nitriding

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  International Mold Steel, Inc. 
6796 Powerline Drive 
Florence, KY 41042 USA 
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