Wholesale AISI 420 Medium Carbon Special 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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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Thickness:
as required
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Length:
as required
Net Weight:
as required
Specifications
1.ISO9001:2008 certificate
2.Competive price and Best quality
3.On-time delivery
Chemical Composition(GB)%
| C | Si | Mn | Cr | P | S |
| 0.4 | 0.5 | 0.7 | 13 | ≤0.030 | ≤0.030 |
Standard
| GB | ASTM | DIN | JIS |
| 4Cr13 | 4.2 | 1.2083 | 420J2 |
Available Size
| Rolled plate | 12-120mm*720mm*6000mm | ||
| Module | 130-400mm*1000mm*6000mm | ||
Heat Treatment
| Processing | Temperature ℃ | Hardness |
| Anneal | 750-800 | ≤235HB |
| Quenching | 1050-1100 | ≥50HRC |
| Tempering | 200-300 | ≥50HRC |
Characterstics
| 1.High corrosion resistance and mirror performance | |||||
| 2.Higher strength and abrasion resistance |
Applications:Suitable for precise dies with super mirror performance and abrasion resistance,camera components,optical lens 420J2 STEEL
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
4, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
We provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: Does special steel require special machining techniques?
- Yes, special steel does require special machining techniques. Special steel, also known as tool steel or high-performance steel, has unique properties such as high hardness, wear resistance, and toughness. These properties make it more challenging to machine compared to regular or mild steel. Special machining techniques such as high-speed machining, cutting tool selection, and cooling methods are often required to achieve precise and efficient machining results with special steel.
- Q: How is case-hardening steel used in the production of gears and camshafts?
- Case-hardening steel is used in the production of gears and camshafts to enhance their surface hardness and durability. The process involves heating the steel to a specific temperature and then rapidly cooling it, creating a hard outer layer while maintaining a tough and ductile core. This hardened surface allows gears and camshafts to withstand the high levels of stress, friction, and wear they experience during operation, resulting in improved performance, longevity, and reliability.
- Q: How is stainless steel used in food processing?
- Stainless steel is widely used in food processing due to its exceptional properties such as corrosion resistance, durability, and hygiene. It is used to manufacture various equipment like storage tanks, mixing vessels, piping systems, and food preparation surfaces. Stainless steel's non-reactive nature prevents contamination and ensures food safety, while its smooth surface allows for easy cleaning and maintenance. Additionally, its strength and heat resistance make it suitable for high-temperature processes in food processing plants.
- Q: How does free-cutting steel improve machinability?
- Free-cutting steel improves machinability by incorporating additives such as sulfur or lead, which form small, brittle chips during the machining process. These chips help break the metal's continuous chip formation, resulting in improved chip control, reduced tool wear, and increased machining speeds. Additionally, free-cutting steel has improved surface finish and dimensional accuracy due to the formation of short, easily-managed chips.
- Q: What are the requirements for special steel used in mining equipment manufacturing?
- The requirements for special steel used in mining equipment manufacturing typically include high strength and toughness to withstand the harsh operating conditions, excellent wear resistance to endure abrasive materials, good corrosion resistance to resist chemical exposure, and high fatigue strength to withstand repeated loading. Additionally, the steel should have good weldability and machinability to facilitate fabrication processes.
- Q: What are the main characteristics of electrical steel forgings?
- The main characteristics of electrical steel forgings include high magnetic permeability, low core loss, and high electrical resistivity. These properties make electrical steel forgings ideal for applications in electrical transformers, motors, and generators, where efficient magnetic performance and minimal energy loss are crucial. Additionally, electrical steel forgings are known for their excellent mechanical strength, thermal stability, and resistance to corrosion, making them durable and reliable in demanding environments.
- Q: What are the different corrosion protection techniques used for special steel?
- There are several corrosion protection techniques used for special steel, including: 1. Coatings: Applying protective coatings like paints, epoxy, or polyurethane can create a barrier between the steel surface and corrosive elements, preventing direct contact and oxidation. 2. Galvanization: Special steel can be hot-dip galvanized, where a layer of zinc is applied to the surface. This zinc layer acts as a sacrificial anode, corroding in place of the steel and providing protection against corrosion. 3. Cathodic protection: This technique involves connecting the special steel to a sacrificial anode, such as zinc or magnesium, through an electrical circuit. The anode corrodes instead of the steel, extending its lifespan. 4. Passivation: Passivation is a chemical process that removes free iron and other contaminants from the surface of the steel, creating a passive oxide layer that enhances corrosion resistance. 5. Alloying: By adding specific alloying elements like chromium, nickel, or molybdenum to the special steel, its corrosion resistance can be significantly improved. 6. VCI (Volatile Corrosion Inhibitors): VCI techniques involve using chemicals that emit volatile corrosion inhibitors, which form a protective layer on the steel surface, inhibiting corrosion. It is important to assess the specific requirements, environment, and intended application of the special steel in order to select the most suitable corrosion protection technique.
- Q: How does special steel contribute to reducing product weight?
- Special steel contributes to reducing product weight through its unique properties such as high strength, durability, and lightweight composition. By using special steel in the manufacturing process, designers can optimize the strength-to-weight ratio of the product, allowing for thinner and lighter components without compromising on performance or safety. This reduction in weight not only enhances the efficiency and performance of the product but also reduces material and transportation costs, making it a valuable solution in various industries.
- Q: How is special steel used in the production of cutting tools?
- Special steel is used in the production of cutting tools due to its exceptional strength, hardness, and durability. Its high carbon content and alloying elements enable it to withstand intense pressure, resist wear and abrasion, and maintain sharp edges for longer periods. This makes special steel ideal for manufacturing cutting tools such as saw blades, knives, drills, and chisels, ensuring precise and efficient cutting operations across various industries.
- Q: What are the different surface coatings applied to special steel?
- To enhance the performance and protect special steel from various environmental factors, there exist several surface coatings that can be applied. Some common options are as follows: 1. Galvanization: By applying a layer of zinc to the steel surface, galvanization provides exceptional corrosion resistance and prevents rusting. 2. Powder coating: This technique involves electrostatically spraying a dry powder onto the steel surface, which is then cured under heat. The result is a durable, decorative coating that offers excellent resistance to impact, abrasion, and corrosion. 3. Paint coating: Steel can be coated with a variety of paints, including epoxy, acrylic, polyurethane, and enamel. These coatings not only enhance the steel's appearance but also protect against corrosion and weathering. 4. Chrome plating: This process electroplates a thin layer of chromium onto the steel surface, providing excellent resistance to corrosion, wear, and abrasion. It is suitable for harsh environments. 5. Ceramic coating: Ceramic coatings can be applied using thermal spraying or plasma spraying methods. They offer high-temperature resistance, abrasion resistance, and excellent thermal insulation. As a result, they are used in industries such as aerospace and automotive. 6. Anodizing: Though commonly used for aluminum, anodizing can also be applied to certain special steel types. It involves creating an oxide layer on the steel surface through an electrochemical process. Anodizing enhances corrosion resistance and can be used for decorative purposes. These examples represent just a few of the available surface coatings for special steel. The selection of a coating depends on specific application requirements, such as corrosion resistance, wear resistance, temperature resistance, and aesthetic appearance.
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Wholesale AISI 420 Medium Carbon Special 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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