Hot Work Die Steel Round Bar H12 Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
The details of our Steel
1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard
2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate
3. Heat treatment:
Normalized / Annealed / Quenched+Tempered
4. Quality assurance:
All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.
Product information
1.Specification of H12 steel | |||||||||||||
Round bar | Diameter(mm) | Length (mm) | |||||||||||
70~600 | 2000~6000 | ||||||||||||
Plate | Thickness(mm) | Width (mm) | Length (mm) | ||||||||||
25~400 | 100~810 | 2000~5800 | |||||||||||
The specification can be customised! | |||||||||||||
2.Chemical compositon of H12 steel | |||||||||||||
NO. | C | Mn | Si | Cr | Mo | V | P | S | |||||
Aisi H12 | 0.28~0.55 | 0.15~0.45 | 0.10~0.40 | 2.70~3.20 | 2.60~3.00 | 0.40~0.70 | ≤0.030 | ≤0.030 | |||||
3.Delivery condition | |||||||||||||
Standard Number | Annealing | Heat treatment temp( °C ) | HRC Secondar Hardness | ||||||||||
H12 | ≤235 | Hardening: 1020 Tempering: 530~560 | 47~54 | ||||||||||
4.Heat treatment | |||||||||||||
1.Quench:1000-1040`C via 600`C and 850`C, preheating oil or wind cooling 2.Temper temperature should be higher than working temperature in order to stabilize the working size of mold 3.Heat up to 650°C of average temperature in order to eliminate the machined stress, 500 °c air cooling after electric cooker cooling 4.Tempering, 800-850 °c ,slow cooling after diathermia 5. Melting Process of SKD61 steel rod | |||||||||||||
1.EAF: Electric Furnace+LF+VD(Optional) | |||||||||||||
2.ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional) | |||||||||||||
UT Class of SKD61 steel rod | |||||||||||||
5.Characteristic of H12steel | |||||||||||||
(1) High strength toughness, high chromium steel | |||||||||||||
(2) Good hot intensity and rigidity. | |||||||||||||
(3) Good tenacity, hot tirdness nature and wearable in medium temperature | |||||||||||||
(4) Empty quench in low Austenitizing temperature condition, little distortion after heat treatment. | |||||||||||||
6.Application | |||||||||||||
(1) Used in hard plastic mold , aluminum, zinc alloy die-casting mold , forging hammer. | |||||||||||||
(2) high speed precision forging die insertsdrawing dies, plate dies and edge or cold shears,etc. | |||||||||||||
(3) All products' technology request and dimensions | |||||||||||||
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Shipping
1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
3. Customers specifying freight forwarders or negotiable shipping methods!
Delivery Time: 3-7 days for samples; 5-25 days for batch goods.
Payment Terms
1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.
2.MOQ: 1pcs
3.Warranty : 3 years
4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)
2)as customer's requirement
Why choose us?
(1) The leading exporter in China special steel industry.
(2) Large stocks for various sizes, fast delivery date.
(3) Good business relationship with China famous factories.
(4) More than 7 years steel exporting experience.
(5) Good after-sales service guarantee.
- Q: How does special steel perform in cryogenic ductility?
- Special steel performs well in cryogenic ductility. It is able to maintain its flexibility and ability to deform under low temperatures without experiencing brittleness or failure. This makes it suitable for applications in cryogenic environments where materials need to withstand extreme cold temperatures while maintaining their mechanical properties.
- Q: What are the different welding techniques used for special steel?
- There are several welding techniques used for special steel, including gas metal arc welding (GMAW), shielded metal arc welding (SMAW), flux-cored arc welding (FCAW), and tungsten inert gas welding (TIG). These techniques are chosen based on factors such as the type of special steel, its thickness, and the desired weld characteristics. Each technique has its own advantages and limitations, and the selection depends on the specific requirements of the welding application.
- Q: What are the different heat treatment processes used for special steel?
- There are several heat treatment processes used for special steel, including annealing, normalizing, quenching, tempering, and case hardening. Annealing involves heating the steel to a specific temperature and then slowly cooling it to soften it and improve its machinability. Normalizing is similar to annealing but involves cooling the steel in air instead of slowly. Quenching involves rapidly cooling the steel to increase its hardness, while tempering involves reheating the quenched steel to a lower temperature to reduce brittleness and improve toughness. Case hardening is a process where the outer layer of the steel is hardened while maintaining a softer core, enhancing wear resistance.
- Q: Can special steel be used for cutting tools?
- Yes, special steel can be used for cutting tools. Special steel, such as high-speed steel or tool steel, is specifically designed to have superior hardness, strength, and toughness, making it ideal for cutting applications. These steels can retain their sharpness and withstand high temperatures and mechanical stress, resulting in efficient and durable cutting tools.
- Q: What are the magnetic properties of special steel?
- Special steel can exhibit a range of magnetic properties depending on its composition and processing. It can be non-magnetic, weakly magnetic, or strongly magnetic. The specific magnetic properties of special steel can be tailored to meet specific requirements for different applications.
- Q: What are the different methods of testing the quality of special steel?
- There are several methods used to test the quality of special steel. 1. Chemical Analysis: This method involves analyzing the composition of the steel to ensure it meets the required chemical specifications. It helps determine the presence and quantity of various elements, such as carbon, manganese, chromium, nickel, and others, which are crucial for achieving specific mechanical properties. 2. Mechanical Testing: Mechanical testing is performed to evaluate the strength, hardness, ductility, and other mechanical properties of special steel. Common tests include tensile testing, which measures the steel's resistance to breaking under tension, and hardness testing, which determines its resistance to indentation or scratching. 3. Non-Destructive Testing (NDT): NDT methods are employed to assess the quality of steel without causing damage. Techniques such as ultrasonic testing, magnetic particle testing, and liquid penetrant testing are used to detect surface and internal defects, cracks, or discontinuities that may affect the steel's integrity. 4. Microscopic Examination: Microscopy is used to examine the microstructure of special steel, allowing for the evaluation of grain size, inclusions, and other structural features. This analysis can provide insights into the steel's properties and potential defects. 5. Corrosion Testing: Special steel often needs to resist corrosion in harsh environments. Various corrosion tests, such as salt spray testing, electrochemical methods, and exposure to corrosive substances, are conducted to assess the steel's resistance to corrosion and determine its suitability for specific applications. 6. Impact Testing: This method involves subjecting the steel to a high-energy impact to assess its toughness and resistance to sudden loading. It helps determine if the steel can withstand sudden shocks or impacts without fracturing. 7. Heat Treatment Analysis: Special steel often undergoes heat treatment processes to enhance its properties. Heat treatment analysis involves examining the microstructure and hardness of the steel after the treatment to ensure it has achieved the desired properties. Overall, the combination of these testing methods helps ensure that special steel meets the required quality standards, ensuring its suitability for various applications, such as construction, automotive, aerospace, and industrial equipment.
- Q: What are the properties of magnetic steel?
- Magnetic steel possesses several properties that make it suitable for various applications. It exhibits ferromagnetism, meaning it can be magnetized and holds a magnetic field strongly. This property enables it to attract and repel other magnetic materials. Magnetic steel also has high permeability, allowing magnetic flux to pass through it easily. It has a high saturation magnetization, meaning it can hold a strong magnetic field. Furthermore, magnetic steel demonstrates excellent mechanical strength, durability, and corrosion resistance, making it ideal for use in industries such as electrical engineering, automotive, and construction.
- Q: How is corrosion-resistant steel different from regular steel?
- Corrosion-resistant steel, also known as stainless steel, is different from regular steel because it contains a higher proportion of chromium and other alloying elements. These elements form a protective layer on the surface of the steel, preventing it from rusting or corroding when exposed to moisture or aggressive environments. Regular steel, on the other hand, lacks this protective layer and is more prone to rust and corrosion.
- Q: What are the main advantages of using special steel in aerospace applications?
- The main advantages of using special steel in aerospace applications include its high strength-to-weight ratio, excellent corrosion resistance, and superior heat resistance. Special steel allows for the construction of lighter and more fuel-efficient aircraft, while still maintaining structural integrity under extreme conditions. Additionally, its resistance to corrosion and heat enables it to withstand the harsh environments and high temperatures experienced during flight.
- Q: What are the requirements for special steel used in power generation equipment manufacturing?
- The requirements for special steel used in power generation equipment manufacturing include high strength, excellent corrosion resistance, good thermal conductivity, and the ability to withstand high temperatures and pressures. Additionally, the steel should have low levels of impurities and be able to maintain its mechanical properties over an extended period of time.
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Hot Work Die Steel Round Bar H12 Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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