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Black Surface Hot Work Tool Steel Flat Bar Hot Rolled Annealed Extrusion SKD61

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Buy cheap Black Surface Hot Work Tool Steel Flat Bar Hot Rolled Annealed Extrusion SKD61 from wholesalers

Black Surface Hot Work Tool Steel Flat Bar Hot Rolled Annealed Extrusion SKD61

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Brand Name:CF

Model Number:SKD61 / H13 / 1.2344

Certification:ISO/Mill Certificate

Price:Negotiable

Supply Ability:1000t / Month

Delivery Time:15-20 days

MOQ:3MT

Company Data

Guangzhou Changfeng Steel Co., LTD

Active Member

Contact Person Echo

Business Type: +8618520152629-020-8251-5856

Business Type: Distributor/Wholesaler Exporter Trading Company

Officials: 广州市黄埔区大沙地东路403号B802房(仅限办公）

Quality: Quality Certifitation Available

Product Details Company Profile

Product Details

Black Surface Hot Work Tool Steel Flat Bar Hot Rolled Annealed Extrusion SKD61

SKD61 steel flat bar is used for the manufacture large impact load forging die, hot extrusion die, precision forging die; aluminum, copper and alloy die-casting mold.

Similar grades

GB	DIN	AISI	JIS	ASSAB
4Cr5MoSiV1	1.2344	H13	SKD61	8407

Chemical Composition(%)

Grade	C	Si	Mn	P	S	Cr	Mo	V
H13	0.32-0.45	0.80-1.20	0.20-0.50	≤0.030	≤0.030	4.75-5.50	1.10-1.75	0.80-1.20
SKD61	0.32-0.42	0.80-1.20	0.20-0.50	≤0.030	≤0.030	4.75-5.50	1.10-1.75	0.80-1.20
1.2344	0.38-0.42	0.80-1.20	0.30-0.50	≤0.015	≤0.020	4.80-5.50	1.20-1.50	0.90-1.10
4Cr5MoSiV1	0.32-0.45	0.80-1.20	0.20-0.50	≤0.030	≤0.030	4.75-5.50	1.10-1.75	0.80-1.20

Heat treatment

Delivery status: Brinell hardness HBW10 / 3000 (less than or equal to 235)

Quenching: 790 degrees ± 15 degrees preheating

1000 degrees (salt bath) or 1010 degrees (furnace control atmosphere) ± 6 degrees heating

Insulation 5 ~ 15min air cooling

550 degrees ± 6 degrees tempering annealing, thermal processing

Chemical heat treatment

Mold can be further strengthened If use gas nitriding or nitrocarburizing, but the nitriding temperature should not be higher than the tempering temperature, in order to ensure that the strength of the heart does not reduce, thus enhancing the service life of the mold.

Delivery condition

EF, or ESR, Hot rolled or forged, black surface or milling

Hardness: annealed to HB≤229

Usage

H13 is the introduction of the United States H13 empty hardening hardened hot for die steel. Its performance, use and 4Cr5MoSiV steel is basically the same, but because of its higher vanadium content, so the temperature (600 degrees) is better than 4Cr5MoSiV steel, hot work die steel is widely used in a representative steel.

Applications

1. Cu alloy extruded, die casting moulds.

2. Aluminum extruded moulds (such as Aluminum window frame, computer radiator).

3. Hot forging moulds (such as auto connecting rod, crank, stainless dinner knife).

4. Lead Zn and Al alloy die casting moulds (such as engine radiater, lights ang other decoration products).

5. Full hardness (52-54Hrc) plastiy moulds with igh polishing and long lifetime requirements, (such as bakelite plastic mould).

Available Dimensions
Shape		Diameter	Thickness	Width
Flat bar		/	16-260mm	205-610mm
Round bar		16-200mm	/	/
Forged	Block	/	100-500mm	600-1000mm
	Round bar	150-450

Hardness analysis
The carbon content in the steel determines the hardness of the quenched steel substrate.

According to the curve of the carbon content in the steel and the hardness of the hardened steel, the quenching hardness of the H13 die steel is about 55 HRC.

For tool steels, a portion of the carbon in the steel enters the matrix of the steel causing solid solution strengthening. The other part of the carbon will combine with the carbide-forming elements in the alloying elements into alloy carbides.

Hot work flat steel bar, in addition to a small amount of this alloy carbide residue, but also requires it in the tempering process quenched martensite matrix precipitated twice hardening phenomenon.

The properties of hot work tool steel are thus determined by the organization of uniformly distributed residual alloying carbon compounds and tempered martensite.

Thus, the content of C in steel can not be too low.

Company Profile

Guangzhou Changfeng Steel Co., LTD

Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, 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, 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.

After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients. Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services. All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.

Our company keeps the principle of “sincerely cooperation, endless striving for perfection”. We desire to establish the long-term mutual beneficial and win-win relationship with clients all over the world.

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