D6 Cold Work Mould Steel Round Bars DIN1.2436

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 1

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 2

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 3

D6 Cold Work Mould Steel Round Bars DIN1.2436 System 4

D6 Cold Work Mould Steel Round Bars DIN1.2436

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Element	Content (%)
Iron, Fe	83.05
Chromium, Cr	12.5
Carbon, C	2.05
Tungsten, W	1.3
Manganese, Mn	0.8
Silicon, Si	0.3

Forging

D6 tool steel is heated slowly and uniformly to 700°C (1292°F) and then more rapidly to 900-1050°C (1652-1922°F).

Annealing

D6 tool steel is then annealed at 800-840°C (1472-1544°F) and cooled. Hardness of the steel after annealing will be approximately 225 Brinell.

Stress Relieving

Stresses from D6 tool steel can be eliminated before hardening by heating up to 650-700°C (1202-1292°F), if machining operations have been heavy. The steel is then allowed to cool slowly.

Hardening

D6 steel is pre-heated slowly to 750-800°C (1382-1472°F) and thoroughly soaked. Heating is then continued till the final hardening of 950-980°C (1742-1796°F), followed by air or oil quenching.

Tempering

The steel is heated uniformly and thoroughly at the selected tempering temperature. Double tempering can also be carried out with intermediate cooling to room temperature.

Main applications of D6 tool steels:

Forming tools
Molds for abrasive plastics and ceramics
Long-run press tools
Blanking and shearing tools for hard materials.

D6 Cold Work Mould Steel Round Bars DIN1.2436

Q:What are the options for joining steel round bars?: Joining steel round bars can be achieved through various methods, depending on specific requirements and applications. Some commonly used techniques include welding, bolting, adhesives, mechanical couplings, and cold forming. 1. Welding is a widely employed method to join steel round bars. It entails melting the ends of the bars and fusing them together using arc welding, MIG welding, or TIG welding. This technique ensures a robust and durable joint capable of withstanding high loads and stresses. 2. Bolting involves using bolts, nuts, and washers to connect steel round bars. Holes are drilled through the bars, and bolts are inserted, securing them together by tightening the nuts. Bolting is a relatively simple and swift method that allows for disassembly and reassembly, if necessary. 3. Adhesives can also be utilized for joining steel round bars. Industrial-strength adhesives are applied to the mating surfaces of the bars, which are then pressed together and left to cure. This bonding technique can provide a sturdy and durable joint, particularly when welding or bolting may not be feasible or desired. 4. Mechanical couplings, specifically designed for joining steel round bars, are comprised of two separate components fitted over the ends of the bars. These components are tightened together using screws, clamps, or other mechanical means, ensuring a reliable and secure joint without the need for welding or drilling. 5. Cold forming techniques, such as swaging or crimping, can also be employed to join steel round bars in certain cases. These methods involve mechanically deforming the ends of the bars to create a tight and secure joint. Cold forming is often utilized in applications where welding or other traditional methods are unsuitable. When selecting the appropriate method for joining steel round bars, it is crucial to consider specific requirements, load-bearing capacities, and environmental conditions. Consulting with a professional engineer or welder can help determine the best option based on the specific application and desired outcome.

Q:Can steel round bars be used in the production of machinery?: Yes, steel round bars can be used in the production of machinery. Steel round bars are commonly used in various industries, including machinery manufacturing. They provide strength, durability, and versatility, making them suitable for applications such as shafts, axles, gears, and other critical components in machinery.

Q:Are square steel, rectangular tube and angle steel shaped or light steel?: Section steel is a kind of strip steel with definite section shape and size.In accordance with the different smelting quality of steel, steel is divided into ordinary steel and high quality steel. According to the current catalogue of metal products, ordinary steel can be divided into large section steel, medium section steel and small section steel. The section steel can be divided into I-beam, channel steel, angle steel, round steel and so on according to its sectional shape.

Q:What is the maximum length of a steel round bar?: The length of a steel round bar can vary depending on several factors, including the bar's diameter, the manufacturing capabilities of the steel supplier, and transportation restrictions. Typically, steel round bars are made in standard lengths ranging from 6 to 12 meters (20 to 40 feet). However, it is possible to create longer bars through specialized processes or by combining multiple bars using welding techniques. In certain cases, it is possible to order custom-made steel round bars that exceed standard lengths, but this would necessitate making specific arrangements with the supplier and considering logistical and handling aspects during transportation. Ultimately, the maximum length of a steel round bar is determined by practical limitations and the specific requirements of the project or application.

Q:What are the typical hardness values for different grades of steel round bars?: The hardness values for different grades of steel round bars can vary depending on the specific grade and the manufacturing process used. However, there are some typical hardness values that can be used as a general guideline. For low carbon or mild steel round bars, the typical hardness values range from about 120 to 250 Brinell Hardness (HB). These grades of steel are known for their relatively low strength and hardness but can be easily machined and welded. Medium carbon steel round bars, commonly used in applications that require higher strength and hardness, typically have hardness values ranging from about 200 to 400 HB. These grades of steel are often used in construction, automotive, and machinery industries. High carbon or alloy steel round bars, which offer even greater strength and hardness, can have hardness values ranging from 400 to 700 HB or even higher. These grades of steel are commonly used in applications that require high wear resistance, such as cutting tools, gears, and bearings. It is important to note that these hardness values are approximate and can vary depending on factors such as heat treatment, alloy composition, and the specific manufacturing process employed. Therefore, it is always recommended to consult the manufacturer's specifications or conduct hardness testing to determine the exact hardness values for a specific grade of steel round bar.

Q:What are the different surface defects that can be found in steel round bars?: Some common surface defects that can be found in steel round bars include scratches, pits, cracks, scale, and decarburization.

Q:What is the tolerance for length in steel round bars?: The tolerance for length in steel round bars can vary based on specific manufacturing standards and requirements. Typically, the tolerance is defined as the maximum allowable deviation from the desired length and can be expressed as a percentage or specific measurement in millimeters or inches. Various international standards organizations, such as ASTM or ISO, may have their own guidelines for steel round bar tolerances. These standards ensure consistent and reliable measurements across the industry. In practice, tolerances for steel round bar length can range from tight tolerances of a few millimeters for precision applications to looser tolerances of several centimeters for general-purpose use. It is important to consider that the tolerance may also depend on the size and diameter of the bar. Smaller diameter bars may have tighter tolerances due to the challenges in manufacturing and accurately measuring longer lengths. Ultimately, the specific tolerance for steel round bar length should be determined based on the intended application and relevant industry standards or customer specifications.

Q:What are the different surface treatments available for carbon steel round bars?: There are several different surface treatments available for carbon steel round bars, each serving a specific purpose and offering unique benefits. Some of the most common surface treatments for carbon steel round bars include: 1. Galvanizing: This treatment involves applying a layer of zinc to the surface of the carbon steel round bar. Galvanizing provides excellent corrosion resistance and can significantly extend the lifespan of the steel. 2. Black oxide coating: Also known as blackening, this treatment creates a dark, uniform finish on the surface of the carbon steel round bar. Black oxide coatings offer mild corrosion resistance and can also provide improved lubricity and a decorative appearance. 3. Chromium plating: This treatment involves depositing a layer of chromium onto the surface of the carbon steel round bar, typically through electroplating. Chromium plating enhances the corrosion resistance of the steel and can also provide improved wear resistance and a polished appearance. 4. Nitriding: Nitriding is a heat treatment process that diffuses nitrogen into the surface of the carbon steel round bar, forming a hard and wear-resistant layer. This treatment improves the hardness and fatigue strength of the steel, making it suitable for applications that require enhanced durability. 5. Phosphating: Phosphating is a chemical treatment that converts the surface of the carbon steel round bar into a layer of phosphate crystals. This treatment provides excellent corrosion resistance and also enhances the adhesion of coatings or paints applied to the steel. 6. Powder coating: Powder coating involves applying a dry powder to the surface of the carbon steel round bar and then curing it under heat to form a protective coating. Powder coatings offer excellent corrosion resistance, durability, and can be customized in various colors and finishes. These are just a few examples of the surface treatments available for carbon steel round bars. The choice of treatment depends on the specific requirements of the application, such as corrosion resistance, wear resistance, aesthetics, and cost-effectiveness.

Q:Round bar, flat steel, not reinforced: Round steel: 5.5-25 mm small round bars are mostly supplied by straight strips. They are commonly used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or as seamless steel tube billets.

Q:Are steel round bars susceptible to cracking?: Yes, steel round bars can be susceptible to cracking under certain conditions. Cracking can occur due to factors such as excessive stress, improper handling, or poor manufacturing processes. However, the susceptibility to cracking can be minimized by using high-quality steel, proper heat treatment, and careful handling and installation techniques.

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