| Type: | Carbon Steel Bar |
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| Standard: | AISI, ASTM, GB, JIS, DIN, BS |
| Technique: | Hot Rolled |
| Application: | Structural Steel Bar, Tool Steel Bar, Die Steel Bar |
| Surface Treatment: | Color Coated |
| Alloy: | Alloy |
| Samples: |
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| Customization: |
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| 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. |
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| 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 | ||||||
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