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Hot Work Tool Steel (Die-Casting Die)

Conceptual diagram of Hot Work Tool Steel (Die-Casting Die) Properties

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

Products list

	Brand name	Characteristic	Die-cast	Forging	Extrusion	Brochure
	Brand name	Hot Work Tool Steel	DHA-WORLD	AISI H11 (1.2343) mod. High hardenability & toughness	◯	Brochure	◯	◯	1,352KB
DHA1	AISI H13 (1.2344) General-purpose steel		◯	◯	◯	1,553KB
DHA1-A	AISI H13 (1.2344) Remelted steel		◯	◯	◯
DHA-Thermo	High thermal conductivity		◯			1,334KB
DH2F	Pre-hardened steel (40HRC) Easy machining		◯			2,106KB
DH21	High strength at elevated temp. High heat checking resistance		◯	◯
DH31-EX	High hardenability & toughness High strength at elevated temp.			◯		932KB
DH32	High strength at elevated temp.			◯
GFA	1.2714 mod. Especially for hammer forging			◯	◯
	Brand name	Characteristic	Application			Brochure
	Brand name	High Speed Tool Steel Matrix type	DRM1	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			Brochure	775KB
DRM3	High hardenability Maximum hardness 66HRC		Die & punch for cold forging			809KB

Technical Data

Document with comments "DHA-WORLD"(No. SD2002)(1,551KB)

Document with comments "DH31-EX"(No. SD2001)(1,828KB)

Toshimitsu Fujii et al. : "Effect of Si Content on the Machinability of Hot Working Die Steels"(No. SD2005)(2,098KB)

Source: DENKI-SEIKO (Electric Furnace Steel), vol. 71 (2000), No. 2, p. 119 - 129

Kohki Izumi et al. : "Gross crack mechanism analysis for die-casting die"(No. SD2102)(726KB)

Source: KATA-GIJYUTSU (Die and Mould Technology), 2020, Vol.35, No.12, p.42-43

Kunio Namiki et al. : “High Thermal Conductivity Steel and its Application to Die Casting Tools” (No. SD2103) (982KB)

Source: NADCA DIE CASTING CONGRESS & EXPOSITION, (2012), Transaction No. T12-071

Kunio Namiki et al. : “Development and Applications of High Hardenability Special Quality Die Casting Mold Steels” (No. SD2104) (1,507KB)

Source: NADCA DIE CASTING CONGRESS & TABLETOP, (2013), Transaction No. T13-052

Naoki Umemori et al. : “New Surfacing Material DHW” (No. SD2105) (1,623KB)

Source: NADCA DIE CASTING CONGRESS & TABLETOP, (2016), Transaction No. T16-042

Naoki Umemori et al. : “Evaluation of Heat Checking of Molds through Flow and Solidification Simulation” (No. SD2106) (1,320KB)

Source: NADCA DIE CASTING CONGRESS & EXPOSITION, (2018), Transaction No. T18-012

Inquiries about Tool Steel

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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.