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Tool Steel Products list

Hot Work Tool Steel

	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 eq. (1.2344) General-purpose steel		◯	◯	◯	1,553KB
DHA1-A	AISI H13 eq. (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			◯	◯

Hot Stamping Die Steel

	Brand name	Characteristic	Brochure
	Brand name	Hot Work Tool Steel	Brochure	DHA-WORLD	AISI H11 (1.2343) mod. High hardenability & toughness	1,352KB
DHA1	AISI H13 eq. (1.2344) General-purpose steel		1,553KB
DH31-EX	High hardenability & toughness High strength at elevated temp.		932KB
Hot Stamping Die Steel	DHA-HS1	High thermal conductivity & High softening resistance Dedicated steel for hot stamping dies	1,725KB

Cold Work Tool Steel

	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

Plastic Mold Steel

	Brand name	Characteristic	Application	Brochure
	Brand name	Pre-hardened type	PX4/PX5	Brochure	AISI P20 (1.2311) mod. 30HRC Pre-hardened Steel	General use mold
PAC5000	AISI P20 (1.2311) mod. HH type 40HRC Pre-hardened Steel		High hardness Mirror polish mold	591KB
NAK55	40HRC Precipitation hardening steel Easy machining		Precision long run mold Rubber mold	573KB
NAK80	40HRC Precipitation hardening steel High mirror-finish		Precision long run mold High-mirror polish mold	573KB
NAK-PRM	40HRC Precipitation hardening steel Improved NAK80		High-gloss mold
G-STAR	AISI 420F mod. (33HRC) Easy machining		Mother die (Holder)
H & T type	S-STAR	AISI 420 (1.2083) mod. Remelted steel High mirror-finish	High-gloss mold Corrosion resisting mold	199KB
H & T type	PD613	High hardness & wear resistance High mirror-finish	Precision long run mold Glass filled resin mold
Maraging	MAS1C	High toughness & strength	Precision mold High tough pin

High Speed Tool Steel

	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
Powder Metallurgy High Speed Tool Steel	DEX20	High toughness	Drill & Tap Cold press die Cutting tool
Powder Metallurgy High Speed Tool Steel	DEX40	High toughness High strength at elevated temp.	Broach & End mill Cold & warm forging die

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.