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日本大同

广东合一五金制品有限公司

 Guangdong Heyi Hardware Products Co.,Ltd.

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4000-115-666

Technical Consulting:

139-0269-3411

Trusted suppliers of mould steel

4000 -115 -666

139-0269-3411

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Contact: Lin Lifang 

Mobile:139 0269 3411

Telephone:4000-115-666

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email:mojugang@gdheyi.cn

Website:www.en.gdheyi.cn

Daido Japan - Material comparison table

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Daido grades

JIS

Standard

Features

Factory condition

Main applications

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PX4

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General purpose pre-hardened steel

Pre-hardened

30-33HRC

Large mirror moulds for mass production: moulds for automotive parts such as tail lights, dashboards, front fenders, etc., moulds for office equipment such as photocopiers and fax machines, etc.

PAC5000

 --

General purpose high hardness pre-hardened steel

Pre-hardened

36-40HRC

NAK80

 --

High specularity pre-hardened steel

Pre-hardened

37-43HRC

High mirror precision moulds, camera housings, cosmetic containers, transparent covers, car headlights and other moulds where mirror polishability is important.

NAK-PRM

 --

Super mirror-like, high toughness and corrosion resistant pre-hardened steel

Pre-hardened

37-43HRC

High mirror surface and high toughness precision moulds: LCD panels, camera housings, transparent covers and other moulds that require a high mirror surface.

PDX18

 --

High toughness, rust resistance

Annealing≤229HB

Mirror high toughness precision moulds: LCD panels, home appliances, audio, communication, office equipment, auto parts, etc.

S-STAR

(S-STAR-A)

SUS420J2

mod.

Ultra-high mirror finish, highly corrosion resistant stainless steel

Pre-hardened

31-34HRC

Annealing ≤229HB

Super mirror corrosion resistant moulds, transparent resins, medical devices, laser records, lenses, etc.

D-STAR

SUS420J2

mod.

Ultra-high mirror finish, highly corrosion resistant stainless steel

Pre-hardened

31-34HRC

D-STAR is also suitable for precision moulds with ultra-high mirror surface and corrosion resistance: optical lenses, DVD discs and other moulds with high polishing requirements.

G-STAR

SUS420F

mod.

Highly corrosion resistant, free-cutting stainless steel

Pre-hardened

31-34HRC

Corrosion resistant mould holder for mould bases, to be used in conjunction with S-STAR to form a complete set of corrosion resistant stainless steel moulds.

PD613 

 --

High mirror finish with high hardness, toughness and excellent etchability

Annealing ≤255HB

High mirror and high wear resistance moulds: engineering plastics, reinforced plastics moulds. Also available as a high toughness, high fatigue strength cold work mould steel.

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YK30

SKS93

Oil Hardened Die Steels

Annealing≤217HB

Stamping dies, gauges, cutters, auxiliary tools, etc.

GO5

--

Flame hardened die steel

Annealing≤217HB

Stamping dies for flame hardening, etc.

GOA

SKS3

mod.

Oil Hardened Die Steels

Annealing≤217HB

Punching dies, gauges, wire drawing dies, piercing punches, etc.

DC11

SKD11

General purpose cold work tool steels

Annealing≤255HB

Punching dies, punches, cold extrusion, drawing dies, rolls, etc.

DC53

SKD11

mod.

General purpose cold work tool steel (for high temperature tempering) high hardness, high toughness, good wire cutting properties

Annealing≤255HB

Punching dies, punches, cold extrusion, drawing dies, rolls, etc.

DCMX

SKD11

mod.

High toughness, easy cutting, low dimensional change basic cold work tool steel

Annealing≤235HB

Block assembly stamping dies, drawing dies, stretch film, punches, tools for finishing, etc.

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DHA-WORLD

SKD61

mod.

High toughness, high hardenability

General purpose hot work tool steel

(NADCA approved)

Annealing≤229HB

Aluminium, magnesium, zinc die casting moulds, die casting mould parts, hot forging moulds, hot stamping moulds, hot extrusion moulds, etc. Also available as wear resistant plastic mould steel.

DHA1

SKD61

General purpose hot work tool steels

Annealing≤229HB

DHA1-A

SKD61ESR

Special melting steel for DHA1

Annealing≤229HB

DH31-EX

--

High toughness, high temperature strength and excellent hardenability hot work tool steel

(NADCA approved)

Annealing≤235HB

DH2F

--

Free-cutting pre-hardened hot work tool steels

Pre-hardened

37-41HB

Aluminium, magnesium, zinc die casting moulds, die casting mould parts, also available as free-cutting plastic mould steel.

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DRM1

--

High hardness, high toughness matrix HSS

(mainly used for hot work and warm work forging)


Annealing≤235HB

Hot work, warm work forging dies, stamping dies, etc.

DRM2

--

High hardness, high toughness matrix HSS

(mainly used for cold work forging)


Annealing≤235HB

Cold-worked forging dies, stamping dies, etc.

DRM3

--

High hardness, high toughness HSS

(mainly used for cold work forging)

Annealing≤235HB

Cold work forging dies, forming rolls, engraved rolls.

DEX20

--

General purpose powdered HSS

Annealing≤285HB

Stamping dies, punches, drills, taps, tools, etc.

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4000-115-666

Email:mojugang@gdheyi.cn 

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Dongguan City, Guangdong Province  

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