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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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:How is tool steel used in the manufacturing of molds and dies?
- Tool steel is used in the manufacturing of molds and dies due to its exceptional hardness, wear resistance, and toughness. It allows for the creation of precise and durable molds and dies that can withstand the high pressures and temperatures involved in various manufacturing processes. Tool steel also provides excellent dimensional stability, ensuring the accuracy and consistency of the final products.
- Q:What are the specific requirements for special steel used in the mining drill bit industry?
- The mining drill bit industry has specific requirements for the special steel it utilizes, which focus on durability, toughness, and resistance to wear and corrosion. To begin with, the steel employed in mining drill bits must possess exceptional durability to endure the harsh and demanding conditions found in the mining environment. The drill bits are exposed to high levels of impact, vibration, and stress, necessitating high strength and hardness in the steel to prevent deformation or breakage. Moreover, toughness plays a crucial role in drill bit steel as it must withstand the repetitive and intense forces encountered during drilling operations. The steel should exhibit good fracture toughness to resist crack propagation and prevent premature failure. Additionally, wear resistance is of utmost importance for drill bit steel, as it must retain its cutting edge and performance over long periods. The steel needs to have high wear resistance to withstand the abrasive nature of the rocks and minerals being drilled. Furthermore, apart from wear resistance, the steel utilized in mining drill bits must also demonstrate resistance to corrosion. The mining environment often involves exposure to water, chemicals, and various corrosive agents. Hence, the steel should possess suitable corrosion resistance properties to prevent rusting and degradation. In conclusion, the special steel employed in the mining drill bit industry must fulfill these specific requirements of durability, toughness, wear resistance, and corrosion resistance to ensure reliable and efficient drilling operations in the mining sector.
- Q:How is special steel recycled?
- Special steel is typically recycled through a process called electric arc furnace (EAF) steelmaking. In this process, scrap steel is collected and melted down in an electric arc furnace, where high temperatures are used to separate impurities. Once the impurities are removed, the molten steel is then refined and cast into new forms to create various specialized steel products, ensuring that the steel is effectively recycled and reused.
- Q:How does stainless steel contribute to architectural design?
- Stainless steel contributes to architectural design by providing a durable and versatile material that can be shaped into various forms and structures. Its resistance to corrosion, high strength, and ability to withstand extreme weather conditions make it suitable for both interior and exterior architectural applications. Stainless steel's aesthetic appeal, with its sleek and modern appearance, adds a touch of elegance to buildings, while its reflective properties can enhance natural lighting in spaces. Additionally, stainless steel's sustainable and eco-friendly characteristics further contribute to architectural design by promoting longevity, recyclability, and reduced maintenance requirements.
- Q:What are the challenges in heat treatment of special steel?
- Some challenges in the heat treatment of special steel include achieving the desired hardness and strength without compromising other properties, such as toughness and corrosion resistance. Special steels often have complex compositions, which can make it difficult to accurately control the heat treatment process. Additionally, heat treatment of special steel can be time-consuming and costly due to the need for precise temperature and time control, as well as the potential for distortion or cracking during the heat treatment process.
- Q:Can special steel be used in the telecommunications industry?
- Yes, special steel can be used in the telecommunications industry. Special steel, such as stainless steel or corrosion-resistant steel, can be utilized for various applications in telecommunications infrastructure, including tower structures, antenna components, cables, and connectors. These types of steel offer high strength, durability, and corrosion resistance, ensuring reliable and long-lasting performance in the telecommunications sector.
- Q:What are the properties of nickel-based alloys?
- Nickel-based alloys possess a range of desirable properties including high strength, excellent corrosion resistance, good thermal stability, and exceptional resistance to high temperatures and harsh environments. These alloys also exhibit good toughness, ductility, and resistance to cracking, making them ideal for various applications such as aerospace, chemical processing, and marine industries. Additionally, nickel-based alloys can be easily fabricated and offer exceptional resistance to both oxidation and reduction, making them highly versatile and widely used in a multitude of industries.
- Q:How does special steel contribute to the marine aftermarket industry?
- The marine aftermarket industry heavily relies on special steel, which offers a myriad of advantages and applications. To start, special steel possesses extraordinary strength and durability, making it an ideal choice for manufacturing marine parts and components. These include propeller shafts, rudders, marine engine parts, and various structural elements. The marine environment is notoriously harsh and corrosive, with constant exposure to saltwater, waves, and extreme weather conditions. Specifically designed to withstand these corrosive elements, special steel, such as stainless steel or corrosion-resistant alloys, provides exceptional resistance to rust, pitting, and other forms of corrosion. This ensures the longevity and dependability of marine equipment. In addition, special steel is frequently employed in high-performance marine engines and turbines due to its remarkable heat resistance and mechanical properties. It can endure high temperatures and pressures, making it suitable for marine propulsion systems that require superior performance and efficiency. Moreover, special steel finds extensive usage in the construction of marine vessels, including ships, offshore platforms, and submarines. Its high strength-to-weight ratio allows for the creation of lightweight yet robust structures, resulting in enhanced fuel efficiency and overall performance. Furthermore, special steel's ability to withstand impact and fatigue loading is crucial for maintaining the safety and structural integrity of marine vessels. Furthermore, special steel contributes to the marine aftermarket industry through its versatility. It can be easily fabricated and customized to meet specific design requirements, enabling the production of unique and tailored marine components. This flexibility empowers the marine aftermarket industry to offer a wide variety of replacement parts and upgrades for existing vessels, improving their performance, efficiency, and safety. In conclusion, special steel plays an indispensable role in the marine aftermarket industry. Its strength, durability, corrosion resistance, and versatility make it an essential material for manufacturing marine components, constructing vessels, and enhancing overall performance. With its unique properties, special steel ensures the safety, reliability, and efficiency of marine equipment, thereby contributing to the growth and success of the marine aftermarket industry.
- Q:What are the different heat treatment processes used in special steel?
- Some of the different heat treatment processes used in special steel include annealing, normalizing, tempering, quenching, and case hardening.
- Q:How is shock-resistant steel used in the production of impact tools?
- Shock-resistant steel is used in the production of impact tools due to its exceptional ability to withstand high impact forces without deforming or breaking. This steel is specifically designed to absorb and distribute the energy generated during impacts, making it an ideal material for tools such as hammers, wrenches, and chisels. By using shock-resistant steel, manufacturers ensure that their impact tools can endure rigorous use and provide reliable performance, even in demanding applications.
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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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