1,2080 piastrina di acciaio per utensili della lega di SKD1 D3 Cr12 con alto spessore 8-300mm di Hardenability

1.2080 SKD1 D3 Cr12 Alloy Tool Steel Plate with High Hardenability

AISI D3 cold work steel, also know as DIN 1.2080 (Werkstoff) and JIS SKD1, is a 12% chrome alloy steel. D3 cold work steel has very high wear resistance against abrasive and adhesive wear due to the high volume of hard carbides in the steel matrix, medium toughness, dimensionally stable, high compressive strength, not secondary hardenable. Type AISI D3 cold works tool steel is oil-quenched; though small sections can be gas quenched after austenitization using vacuum. As a result, tools made with type D3 cold work tool steel tend to be brittle during hardening. Type D2 tool steel is the most commonly used steel among the group D steels. The D3 cold work steels contain 1.5 to 2.35% of carbon and 12% of chromium.

D3 tool steel is a high-carbon, high-chromium, oil hardening tool steel that is characterized by a relatively hifh attainable hardness and numerous, large, chromium-richi alloy carbides in microstructure. These carbides provide good resistance to wear form sliding contace with other metals and abrasive materials.

1, Steel Grade: 1.2080/ D3/ SKD1/Cr12 Cold Work Mould Steel.

2, Specification

3, Heat treatment

4, Application
1) Used for making small impact, high quality wear cold-punching mould;
2) Used for the high durability of the long life of various types of cold stamping die and cold cutting edge, such as rolling plate;
3) To make high wear resistance cold working die arrangement which working under low impact olad;
4) Suitable for complex deformation of mould;

Typical Applications
Highly stressed cutting, Punching tools for thin sheets,Shear blades for cuttingProfile rolls,Drawing and deep drawing tools,Stone processing tools,Knives for paper and plastics,Shear knives for thin sheets.Deep drawing,Pressure padsHighly wear-resistant plastic moulds.

Applications Show:


5, Features
1) High hardenability, high hardness, high wear resistance and good toughness, quenching deformation, etc;
2) High carbon high chromium tool steel;
3) Good machinablity and inoxidizability;
4) Immune from sinking in use, high resistance to heavy pressure.

6, Delivery condition
Surface: Grinding surface, black surface, turned surface and milling surface according to customer's requirements.


7, Delivery Date
For abundant stock, 7-15 days.
For customized products, 15-30 days.

Products Show:
1.2080 SKD1 D3 Cr12 Alloy Tool Steel Plate with High Hardenability



8, Packing: We provide standard export packing or according to customers' request.



About us
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line since 2005 in China. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.


We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.



1.2080 SKD1 D3 Cr12 Alloy Tool Steel Plate with High Hardenability
AISI D3 alloy steel is heat treatable and will offer a hardness in the range 58-64 HRC. After heat treatment D3 tool steel is hard, durable and dense, and is immune from sinking in use. It offers a measure of corrosion resistance when polished. In general, the applications of AISI D3 tool steel resemble those of D2 tool steel but it should be remembered that alloy tool steel D3 has better wear resistance of the two steels and is preferred for such items as shear blades. Owing to its higher wear resistance, AISI / ASTM D3 cold work steel is slightly more difficult to grind than D2 steels.

Forging of D3 Cold Work Tool Steel

Pre-heat at 900-950°C then raise temperature to 1050-1100°C. Soak until uniformly heated. D3 tool steel is relatively hard at elevated temperature. Therefore, initial hammer blows must be light and the temperature must not be allowed to fall below 1020°C until the metal begins to flow. Final forging should not be done below 900°C.


Heat Treatment of D3 Cold Work Steel

Heat Treatment
D3 tool steel requires hardening and tempering to achieve maximum properties. For maximum accuracy, the parts of D3 tool steel should be stress relieved after roughing operations. Stress should be relieved at 648°C (1200°F) for one hour and cooled slowly.

Annealing
Heat D3 tool steels uniformly to 850-870°C, soak thoroughly, then slow furnace cool at a rate of not more than 25°C per hour to 650°C. The parts may then be air cooled. This should result in a maximum hardness of brinell 248.

Tempering
The D3 cold work steel should be cooled to room temperature and should be tempered immediately. The parts should be placed in the tempering furnace and increased slowly to the desired tempering temperature. Tempering for 1 hour per inch of thickness is required.

Hardening
D3 tool steel is extremely sensitive to overheating during hardening - do not overheat.
Pre heat slowly to 800-850°C, the raise rapidly to 950-970°C and soak until completely equalised. Quench in oil.