Customization:	Available
Type:	Alloy Steel
Standard:	AISI, ASTM, DIN, JIS, GB, BS

Die steel
Die steel is a kind of steel used to make cold dies, hot forging dies, die casting dies and other dies. Mould is the main processing tool for manufacturing parts in machinery manufacturing, radio instruments, motors, electrical appliances and other industrial sectors.
Properties of die steel		Should have high hardness, Strength, Wear resistance, Enough toughness, And high hardenability, Hardening capacity and other process properties.
Classification of die steel		It can be divided into three types: cold-rolled die steel, hot-rolled die steel and plastic die steel, which are used for forging, stamping, cutting and die casting. Because of the different uses and complicated working conditions of various molds, the steel used for molds, according to the working conditions of the molds manufactured by them,
Introduction to Classification of Die Steel
Cold rolled mold steel		Including cold stamping die, wire drawing die, drawing die, stamping die, wire rolling die, wire rolling plate, cold heading die and cold extrusion die. Steel for cold working dies should have high hardness, strength, wear resistance, sufficient toughness, high hardenability, hardening capacity and other technological properties according to the working conditions of the dies manufactured by it.
Hot rolled die steel		It can be divided into hammer forging, die forging, extrusion and die casting, including hot forging die, press forging die, stamping die, hot extrusion die and metal die casting die. The hot deformation die not only has to bear huge mechanical stress, but also has to bear repeated heating and cooling, which causes great thermal stress. Hot-working die steel should not only have high hardness, strength, red hardness, wear resistance and toughness, but also have good high-temperature strength, thermal fatigue stability, thermal conductivity and corrosion resistance, and also require high hardenability to ensure consistent mechanical properties of the whole section.
Plastic die steel		Include thermoplastic molds and thermoset molds. Steel for plastic molds requires certain properties such as strength, hardness, wear resistance, thermal stability and corrosion resistance. In addition, it also requires good manufacturability, such as small heat treatment deformation, good processability, good corrosion resistance, good grinding and polishing performance, good repair welding performance, high roughness, good thermal conductivity and stable size and shape under working conditions. In general, hot-working die steel can be used for injection molding or extrusion molding; Cold-working die steel can be used for thermosetting forming and dies requiring high wear resistance and high strength.
Use of die steel
Cold working die steel		Cold-working die steel is mainly used to manufacture dies for pressing and forming cold workpieces. Such as: cold stamping die, cold stamping die, cold drawing die, stamping die, cold extrusion die, thread pressing die and powder pressing die. Cold-working die steel covers a wide range, ranging from various carbon tool steels, alloy tool steels and high-speed tool steels to powder high-speed tool steels and powder high-alloy die steels.
Hot working die steel		Hot-working die steel is mainly used to manufacture dies for pressure processing of workpieces at high temperature. Such as hot forging die, hot extrusion die, die casting die, hot upsetting die, etc. Commonly used hot working die steels are: alloy die steels with medium and high carbon content and alloying elements such as Cr, W, Mo and V; Hot-working die steel with special requirements is sometimes made of high-alloy austenitic heat-resistant die steel.
Plastic die steel		Because there are many kinds of plastics, the requirements for plastic products are also very different, and different performance requirements are also put forward for the materials used to make plastic molds. Therefore, many industrialized countries have formed a wide range of steel series for plastic molds. Include carbon structural steel, carburized plastic mold steel, pre-hardened plastic mold steel, age-hardening plastic mold steel, corrosion-resistant plastic mold steel, free-cutting plastic mold steel, integral hardened plastic mold steel, maraging steel and plastic mold steel for mirror polishing.
Non-magnetic die steel		Non-magnetic die steel is a kind of high manganese vanadium die steel, which can keep stable austenite in various States, has very low magnetic permeability, high hardness and strength, good wear resistance, and has good comprehensive properties after high proper solution and aging treatment. Good plasticity, high toughness, high work hardening tendency, large thermal expansion coefficient, high resistivity, low thermal conductivity and low magnetism. It is widely used in non-magnetic buildings, non-magnetic machinery, mineral processing and prospecting equipment and military affairs.

Brand comparison and application of die steel
trademark	Steel grade category	China	United States of America	Japan	Germany	Main features and uses
A2	Air quenching medium alloy cold working die steel	Cr5Mo1V		SKD12	12363	-
D2	High carbon and high chromium cold working die steel	C12MolV		SKDI1	12379	-
D3	High carbon and high chromium cold working die steel	Cr12		SKD1	12080	-
DC11	High wear-resistant air quenching and cold working mold	Cr12Mo1V1	D2	SKD11		-
DC53	High strength and toughness cold working die steel	Cr8MolVSi		Improved DC11		After high temperature tempering, it has high hardness, high toughness and good wire cutting performance. It is used for fine blanking, drawing, rolling and cold punching dies and punches.
DF2	Oil quenching cold working die steel	9Min2V	O2			Good blanking ability, small thermal deformation, used for small stamping dies and paper cutting blades.
DF3	Oil quenching cold working die steel	9CrWMn	O1	SKS3		Good incision persistence, small quenching deformation, used for sheet stamping die and embossing die.
GOA	Special cold working die steel			SKS3 improved		High hardenability and good wear resistance, used for cold punching die, forming die, punch and embossing.
GSW2 3 79	High carbon and high chromium cold working die steel	Cr12MolV1	D2		12379	Used for cold extrusion and stamping dies, and also used for plastic dies with high wear resistance.
K100	High carbon and high chromium cold working die steel	Crl2	D3		12080	High wear resistance and excellent corrosion resistance, used for trimming, deep drawing, cold pressing and forming die of stainless steel sheet.
K110	High carbon and high chromium cold working die steel	Cr12Mo1V1	D2			Good strength, hardness and toughness, used for heavy-duty stamping die.
K460	Oil floating cold working die steel	MnCrwV	O1		12510	Good strength, hardness and toughness, used for heavy-duty stamping die.
M2	High-speed steel for cold working dies	W6Mo5Cr4V2		SKH9	1 3343	-
O1	Oil quenching cold working die steel	MnCrwV		SKS3	12510	-
O2	Oil quenching cold working die steel	9Mn2V			12842	-
P18	Pigeon system high speed for cold working mold	W18Cr4V	Ti	SKH2	13355	-
STD11	Air floating cold working die steel	Cr12MolV1	D2 Improvement	SKD11		High cleanliness, uniform hardness, high wear resistance and high strength.
XW10	Air-cooled die steel	Cr5MolV	A2	SKD12		Good toughness, high wear resistance, and small heat treatment deformation.
XW42	High carbon and high chromium cold working die steel	Cr12Mo1V1	D2			Good hardenability and toughness, high wear resistance, small thermal deformation, good tempering resistance,
YK30	Oil quenching cold working die steel		O2	SKS93		Cold stamping die
8407	Universal hot working die steel	4Cr5MoSiv1	H13			Used in hammer forging, extrusion and die casting dies, and also used in plastic dies.
DH21	Steel for aluminum die casting die	4Cr3Mo3VSi				Good thermal fatigue cracking resistance and long service life of the die.
DH2F	Free-cutting pre-hardening die steel	H13+S		SKD61 improvement		Pre-hardened 37~41HRC, with good toughness, can be used for complex and precise zinc hot working dies, such as aluminum, die casting dies and aluminum hot extrusion dies, and can also be used for plastic dies.
DH31S	Steel for large die casting dies					Good hardenability, good thermal fatigue resistance and thermal melting loss resistance, used for aluminum and magnesium die casting, aluminum hot extrusion, hot shearing and hot stamping die.
DH42	Steel for copper die casting die					Die for cop alloy die casting and hot extrusion
DHA1	Universal hot working die steel	4Cr5MoSiV1	H13	SKD61	1.2344	Good hardenability, good thermal fatigue resistance and thermal loss resistance, high tempering resistance and excellent high temperature impact performance.
GSW2 3 44	Universal hot working die steel	4Cr5MaSiV1	H13 type			Die cas die for aluminum and zinc alloy
H10	American H series hot working die steel	4Cr3Mo3SiV			12365	-
H11	American H series hot-working olive steel	4Cr5MoSiv		SKD6	12343	-
H13	American H series hot working die steel	4Cr5MoSiv1		SKD61	12344	Widely used in China
H21	American H series hot working die steel	3Cr2w8V		SKD5	12581	Widely used in China
HDS1	Hot working die steel	H13 modified type				It has good strength, toughness and tempering resistance, and is used in die casting dies and hot extrusion dies.
QRO90	Hot working die steel	(4Cr3Mo3V Si				Patented steel grade. High high temperature strength, good thermal conductivity, thermal shock resistance and thermal fatigue resistance. Used in aluminum and copper die casting dies, hot extrusion dies and hot forging dies.
STD61	Hot working die steel	Approximate H13				Has good high-temperature strength and toughness,
W302	Hot working die steel	Approximate H13				Used for die casting, hot extrusion and hot stamping die, used for aluminum and zinc alloy hot extrusion and hot stamping die.
420SS	Corrosion resistant plastic die steel	4Cr13			X38C13	Martensitic stainless steel
440C	Corrosion resistant plastic die steel	11Cr17		SUS440C		Martensitic stainless steel

Used for Hammer Forging/Die-Casting Die/4Cr5MoSiV1/H13/8407/1.2344/General Hot Work Die Steel

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