420 Stainless Steel Sheet

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
1 Ton m.t.
Supply Capability:
1000 Tons Per Month m.t./month
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 420 Stainless Steel Sheet

1. Chemical composition

C

Si

Mn

P

S

Ni

Cr

0.16-0.25

max1.00

max1.00

max0.04

max0.03

---

12.00-14.00

2. Mechanical properties

Yield Strength

Tensile

Elongation

Hardness (HV)

Hardness (HRB)

              ≥225

              ≥520

            ≥ 18

              ≥234

              ≥97

3. Standard: AISI, ASTM, GB, EN, DIN, JIS

4. Surface: 2B, NO.1, BA, NO.4, Hairline, SB, Mirror finish, Anti-skid, Cherkered etc.

5. Size: Thickness: 0.3-3mm (cold rolled), 3-40mm (hot rolled)

          Width: 1000mm or 1219mm or 1240mm for cold rolled, 1500mm for hot rolled.

          Length: As customers' request.

6. MOQ: 1 Ton

7. Payment terms: T/T or L/C 

8. Packing: Seaworthy package with wooden or Iron pallets with the paper and the steel strip, or as customers' request.

9. Delivery time: Usually about 7 days after we confirming the order, or according to your quantity.

If you have any question or demand, pls feel free to contact me.

   

Q:
When machining 111 stainless steel strips, it is recommended to follow certain guidelines to ensure optimal results. 1. Selection of cutting tools: Use cutting tools specifically designed for machining stainless steel. Carbide or high-speed steel tools are suitable options. Ensure the tools are sharp and in good condition. 2. Cutting speed: Maintain a moderate cutting speed to prevent excessive heat buildup. Generally, a cutting speed between 80 and 100 surface feet per minute (SFPM) is recommended for 111 stainless steel strips. 3. Feed rate: Use a feed rate that allows for efficient material removal without causing excessive tool wear. A feed rate of 0.005 to 0.015 inches per revolution (IPR) is typically suitable for 111 stainless steel strips. 4. Coolant and lubrication: Apply a suitable coolant or lubricant during the machining process. This helps reduce friction, heat, and tool wear. Water-soluble or oil-based coolant/lubricant can be used as per the machining conditions. 5. Tool geometry: Choose the appropriate tool geometry, such as a positive rake angle, to minimize cutting forces and improve chip evacuation. This helps prevent work hardening and tool breakage. 6. Workholding: Ensure secure and rigid workholding to minimize vibrations and improve surface finish. Use clamps or vice grips that provide sufficient grip without distorting the strips. 7. Chip control: Employ effective chip control measures, such as using chip breakers or chip evacuation systems, to prevent chip buildup and damage to the tool or workpiece. 8. Quality control: Regularly monitor the machining process to ensure dimensional accuracy, surface finish, and adherence to tolerances. Use appropriate measuring tools, such as calipers or micrometers, for quality control checks. 9. Safety precautions: Always follow safety guidelines and wear appropriate personal protective equipment (PPE) when machining stainless steel. This includes safety glasses, gloves, and hearing protection. It is important to note that these guidelines serve as general recommendations. The specific machining conditions, such as the width and thickness of the strips, the desired surface finish, and the machinery used, may require adjustments to these guidelines. Therefore, it is advisable to consult the manufacturer's recommendations and perform test cuts to optimize the machining process for 111 stainless steel strips.
Q:
Indeed, medical instruments can be produced using stainless steel strips. The reason behind stainless steel's popularity for medical instruments lies in its exceptional resistance to corrosion, its remarkable strength, and its durability. Additionally, it is effortless to cleanse and sterilize, rendering it suitable for application in sterile surroundings. A multitude of medical instruments, including surgical scissors, forceps, scalpels, and orthopedic implants, can be manufactured using stainless steel strips. The attributes of this material guarantee that the instruments maintain their reliability, safety, and longevity, rendering it a favored choice within the medical sector.
Q:
Stainless steel strips are well-suited for use in low-temperature applications. Renowned for its remarkable resistance to corrosion, durability, and high strength, stainless steel proves to be an appropriate material for a variety of applications, including those in low-temperature settings. Stainless steel exhibits a low thermal expansion coefficient, enabling it to endure drastic temperature fluctuations without experiencing significant distortion or harm. It remains stable and maintains its mechanical properties even when subjected to low temperatures. Consequently, stainless steel strips are exceptionally fitting for implementation in cryogenic industries, refrigeration systems, and other low-temperature surroundings. Moreover, stainless steel strips possess admirable resistance to thermal stress and exceptional toughness, ensuring their dependability and performance even under adverse conditions. They possess the ability to withstand low temperatures without becoming brittle or losing their strength. Apart from its mechanical properties, stainless steel also offers excellent corrosion resistance, a crucial quality for low-temperature applications. It can withstand the corrosive impact of chemicals, moisture, and other elements commonly found in low-temperature environments. This resistance serves as a deterrent against rust, corrosion, and degradation, guaranteeing long-term reliability and effectiveness. All in all, stainless steel strips are a suitable alternative for low-temperature applications due to their outstanding mechanical properties, corrosion resistance, and durability. They deliver the necessary strength, stability, and reliability demanded in demanding and extremely cold environments.
Q:
Generally, stainless steel strips are resistant to corrosion caused by caustic soda. Stainless steel is renowned for its outstanding resistance to corrosion, making it widely utilized in various industries that may expose it to caustic soda or other corrosive chemicals. However, the extent of stainless steel's resistance to corrosion relies on the specific grade or alloy employed. Certain grades of stainless steel, like 316 and 317, exhibit exceptional resistance to corrosion caused by caustic soda due to their elevated levels of chromium and molybdenum. To ensure the most suitable grade of stainless steel is utilized for a particular application involving caustic soda, it is always advisable to seek guidance from a stainless steel expert or consult specific material data sheets.
Q:
Stainless steel strips, in general, exhibit resistance to abrasion. The durability and strength associated with stainless steel render it highly impervious to friction-induced wear and tear. The incorporation of chromium in stainless steel grants it a safeguarding layer, mitigating scratches and abrasion. Nevertheless, the extent of resistance can fluctuate contingent upon the precise grade and finish of the stainless steel strip. Furthermore, variables like the nature and intensity of the abrasive substance, along with the duration of exposure, might also impact the resistance to abrasion.
Q:
Stainless steel strips, known for their exceptional resistance to corrosion, strength, and durability, are typically produced in a continuous roll or coil form. These thin, flat pieces of stainless steel material are widely utilized across various industries. To create a smooth and uniform surface, stainless steel sheets or coils undergo cold rolling, resulting in the production of these strips. Moreover, they can be further processed into different forms, including sheets, plates, and precision components. Given their high-quality and reliability, stainless steel strips are extensively employed in automotive, aerospace, construction, electronics, and numerous other sectors.
Q:
Power generation plants frequently employ stainless steel strips for a variety of purposes. Stainless steel is an incredibly durable and versatile material that can withstand corrosion, heat, and pressure, making it an excellent choice for numerous applications within these plants. One primary application of stainless steel strips in power plants is the construction of heat exchangers. These devices are vital for transferring heat from one medium to another, such as converting steam into electricity. Stainless steel's resistance to corrosion and ability to withstand high temperatures make it an ideal material for heat exchanger tubes, ensuring their longevity and efficiency. Stainless steel strips are also utilized in the fabrication of various components in power plants, including valves, pumps, and piping systems. The material's strength, resistance to corrosion, and ability to endure high-pressure environments make it suitable for these critical applications. Moreover, stainless steel strips are frequently employed in the production of turbine blades and other parts for steam and gas turbines. These components are exposed to extreme temperatures and mechanical stresses, and stainless steel's capacity to retain its strength and shape under such conditions makes it a reliable choice. Additionally, stainless steel is favored in power generation plants due to its hygienic properties. It is easy to clean and maintain, ensuring that the equipment remains free from contaminants and does not compromise the plant's operations. To summarize, stainless steel strips are commonly used in power generation plants because of their resistance to corrosion, tolerance for high temperatures, strength, and hygienic qualities. From heat exchangers to turbine components, stainless steel is a versatile material that contributes to the efficiency and reliability of power generation processes.
Q:
There are different types of surface defects that can occur in stainless steel strips, which can have an effect on their overall quality, appearance, and performance. Some commonly encountered surface defects in stainless steel strips are as follows: 1. Scratches: These are visible lines or grooves that can be seen on the surface of the strip. They can occur during the manufacturing process, handling, or transportation. Scratches can vary in depth and severity, and if they are deeper, they can potentially impact the corrosion resistance of the stainless steel. 2. Pits: Pitting refers to the formation of small cavities or depressions in localized areas of the strip's surface. Pits can be caused by different factors, such as exposure to corrosive environments, improper cleaning, or manufacturing defects. The presence of pits can compromise the integrity of the stainless steel and make it more susceptible to corrosion. 3. Stains: Stainless steel strips can develop stains or discoloration due to exposure to chemicals, heat, or improper cleaning methods. Stains can range from slight discoloration to more severe, deep stains that are difficult to remove. These defects can affect the appearance of the stainless steel and may also indicate a compromised protective oxide layer. 4. Roll marks: Roll marks are impressions or ridges that appear on the surface of the stainless steel strip during the rolling process. These marks can appear as lines or patterns and are usually caused by uneven pressure or improper alignment of the rolling equipment. Roll marks can impact the aesthetics of the stainless steel and may also affect its mechanical properties. 5. Weld defects: Stainless steel strips that are produced through welding processes can exhibit various types of weld defects, such as weld spatter, incomplete fusion, or excessive penetration. These defects can weaken the joint and reduce the overall strength and corrosion resistance of the stainless steel strip. 6. Surface contaminants: Surface defects in the form of contaminants, such as dirt, oil, grease, or foreign particles, can be present on stainless steel strips. These contaminants can be introduced during manufacturing, handling, or storage, and can have a negative impact on the performance and appearance of the stainless steel. It is important to note that the severity and impact of these surface defects can vary depending on the intended application of the stainless steel strip. Manufacturers implement various quality control measures to minimize these defects and ensure that the stainless steel strips meet the required standards.
Q:
The hardness of stainless steel strips can be measured using a variety of methods, but the most common technique is the Rockwell hardness test. This test involves applying a specific load to the surface of the steel strip using a diamond or a hardened steel ball. The depth of penetration into the material is then measured, and a hardness value is determined based on the indentation depth. Other methods like the Brinell and Vickers tests can also be used to measure hardness, but the Rockwell test is widely accepted and commonly used in the industry.
Q:
Stainless steel strips are highly resistant to corrosion and perform exceptionally well in seawater environments. Due to their composition, which includes a significant amount of chromium, stainless steel strips form a passive oxide layer on their surface that acts as a protective barrier against corrosion. This oxide layer prevents direct contact between the steel and the corrosive elements present in seawater, such as salt and moisture. Furthermore, stainless steel strips exhibit excellent resistance to pitting and crevice corrosion, which are common forms of corrosion in marine environments. This resistance is primarily attributed to the high levels of chromium and nickel present in stainless steel. These elements enhance the steel's ability to withstand the aggressive nature of seawater, ensuring its durability and longevity. Stainless steel strips also have the advantage of being highly versatile and adaptable, making them suitable for various applications in seawater environments. They can be easily formed, welded, and fabricated into different shapes and sizes, providing flexibility in design and construction. Overall, stainless steel strips are an excellent choice for use in seawater environments due to their exceptional corrosion resistance, durability, and versatility. They offer long-lasting performance, minimal maintenance requirements, and can withstand the harsh conditions associated with marine applications, making them a reliable and cost-effective solution.
Our company has been awarded ‘Quality Trustworthy Enterprise’;. Our products are sold throughout the country, but also exported to Southeast Asia, Europe and many other countries. We adhere to the first-class products, quality service and reasonable prices for domestic and foreign merchants, welcome to visit us and to discuss cooperation.

1. Manufacturer Overview

Location Guangzhou,China
Year Established 2001
Annual Output Value Above US$0.5 Million
Main Markets Southeast Asia, Europe
Company Certifications ISO 9001:2008;

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shanghai
Export Percentage 30%
No.of Employees in Trade Department 10 People
Language Spoken: English;Chinese
b)Factory Information  
Factory Size: Above 30,000 square meters
No. of Production Lines Above 7
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average

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