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Cold Work Tool Steel

Conceptual diagram of Cold Work Tool Steel Properties

Conceptual diagram of Hot Work Tool Steels (Forging die) Properties

Products list

	Brand name	Characteristic	Application	Brochure
	Brand name	Carbon Tool Steel	YK30	Brochure	Similar to AISI O2	Gauge, Jig & Tool Razor blade Die for cold press
Special Tool Steel	GOA	Similar to AISI O1	Gauge, Shear blade Die for cold press	1,800KB
	GO4	Air hardening Steel	Precision mold Die for cold press
	GO5	Flame hardening Steel	Blanking, Piercing & Trimming die	1,147KB
	GO40F	Pre-hardened steel (40HRC) Easy machining	Die plate Short run die
Cold Work Die Steel	DC53	8Cr-2Mo type High hardness & toughness	Punch & die for high strength steel Threading die	350KB
	DCMX	Matrix type Cold Work Die Steel High toughness, easy machining & small dimensional change	Piercing punch & trim die for high strength steel	1,838KB
	DC11	Similar to AISI D2 General-purpose Steel	Die & Punch for cold press	1,312KB
	Brand name	Characteristic	Application	Brochure
	Brand name	High Speed Tool Steel Matrix type	DRM1	Brochure	High toughness Maximum hardness 58HRC	Die & punch for hot & warm forging	1,101KB
DRM2	High hardness & toughness Maximum hardness 62HRC		Die & punch for warm & cold forging	775KB
DRM3	High hardenability Maximum hardness 66HRC		Die & punch for cold forging	809KB
	Brand name	Characteristic	Application	Brochure
	Brand name	Powder Metallurgy High Speed Tool Steel	DEX20	Brochure	High toughness	Drill & Tap Cold press die Cutting tool
DEX40	High toughness High strength at elevated temp.	Powder Metallurgy High Speed Tool Steel	Broach & End mill Cold & warm forging die

Technical Data

Takayuki Shimizu et al. : "A New Type Cold Work Die Steel with Isotropy of Dimensional Change "DCMX" " (No. SD2006)(No. SD2006)(923KB)

Source: DENKI-SEIKO (Electric Furnace Steel), vol. 81 (2010), No.1, p53 - 60

The application of DCMX (No. SD1901)(834KB)

Shigeki Higuchi et al. : "Life Evaluation of Surface Treatments of Mold in Cold Working of High Strength Steel" (No. SD2003)(1,506KB)

Source: DENKI-SEIKO (Electric Furnace Steel), vol. 85 (2014), No.1, p39 - 46

Takashi Matsuno et al. : "Effect of Punch Coating on Pierced Surface Properties" (No. SD2004)(1,063KB)

Source: DENKI-SEIKO (Electric Furnace Steel), vol. 85 (2014), No.1, p47 - 51

Shunsuke Nakahama et al. : “The Development of High Hardness and Toughness Matrix Type High Speed Tool Steels: DRM” (No. SD2108) (1,617KB)

Source: DENKI-SEIKO (Electric Furnace Steel), vol. 76 (2005), No. 4, p. 279-286

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Hot Work Tool Steel
(Hot-Forming Die)

Used for forging dies for forming heated metal materials.

Hot Work Tool Steel
(Die-Casting Die)

Used for die casting molds for casting molten alloys (Al etc.).

Hot Stamping Die Steel

Used for hot stamping dies, which form and quench heated steel sheets.

Cold Work Tool Steel

Used for cold press and forging dies for forming steel plates and blocks.

Plastic Mold Steel

Used for injection molds for forming plastic products.

Tool Steel Products list

Daido's Brand steels list.
The brochures can also be downloaded.

Notable product

DHA-HS1

DHA-HS1 provides the highest level of thermal conductivity, which allows shorter cooling time and greater productivity. In addition, its high softening resistance prolongs die life. DHA-HS1, which is ideal for hot stamping dies, can create cost savings in press processing.

NAK80

World class stable and reliable quality steel, NAK80, has been selected as the most suitable steel for plastic molds.

DHA-WORLD

Daido Steel's high-reliable conventional hot work die steel, DHA-WORLD is suitable material for die cast molds.
It is easily heat-treated and able to gain fine structure to the center as well as high toughness.