9CrWMn Mould Steel Special Steel Carbon Steel

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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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Item specifice

Type:
Alloy 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

Chemical Composition(%)

Country

Standard

C

Si

Mn

Cr

W

S

P

Other

China(GB)

9CrWMn

0.85-0.95

0.40

0.90-1.20

0.50-0.80

0.50-0.80

0.30

≤0.30


USA(ASTM)

O1

0.85-0.95

0.20-0.40

1.00-1.30

0.40-0.60

0.40-0.60

-

-

V:0.20

Germany(DIN)

1.2510

0.90-1.05

0.15-0.35

1.00-1.20

0.50-0.70

0.50-0.70

≤0.35

≤0.35

V:0.05-0.15

Japan(JIS)

SKS3

0.90-1.00

≤0.35

0.90-1.20

0.50-1.00

0.50-1.00

≤0.30

≤0.30


 

Available Size

Rolled flat steel :12-90mm × 205-610mm × L


Heat Treatment

Processing

Temperature ℃

Hardness

Anneal

740-770

≤255HB

Quenching

790-840

62-65HRC

Tempering

180-250

58-62HRC

 

Characterstics

1.High-carbon and low-alloyed oil quenching tool steel adopted widely in world

2.Higher hardening ability 

3.Less deformation after heat treatment 

4.High hardness and better abrasion resistance

 

Applications: Suitable for steel punching dies,shearing blades,measuring devices,thermosetting plastic moulds,etc

9CrWMn Mould Steel Special Steel Carbon Steel

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      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.

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We'll reply you in our first priority within 24 hours.


Q:
Spring steel is a type of high-carbon steel that is specifically designed to possess excellent elasticity and resilience. It is primarily known for its ability to return to its original shape after being bent or deformed, making it ideal for applications where repeated and controlled deflection is required. The main characteristics of spring steel include: 1. High Yield Strength: Spring steel is characterized by its high yield strength, which refers to the amount of stress it can withstand before permanent deformation occurs. This allows it to bear heavy loads and resist bending or breaking under pressure. 2. Excellent Elasticity: One of the most significant characteristics of spring steel is its exceptional elasticity. It can be flexed, twisted, or stretched without permanently deforming, and once the force is released, it returns to its original shape. This property is crucial for applications requiring constant and repetitive motion. 3. Superior Fatigue Resistance: Spring steel is exceptionally resistant to fatigue, meaning it can endure millions of cycles of stress without failing. This characteristic is crucial for products subjected to continuous and repetitive loads, such as springs in automotive suspensions or industrial machinery. 4. Good Hardness and Wear Resistance: Spring steel is typically hardened to enhance its wear resistance. This allows it to withstand abrasion and deformation under harsh conditions, making it suitable for applications that involve friction or impact, such as cutting tools or automotive components. 5. Excellent Formability: Spring steel can be easily formed into various shapes and sizes, making it highly versatile for different applications. It can be cold-drawn, rolled, or heat-treated to achieve specific mechanical properties, allowing manufacturers to customize its characteristics based on their specific requirements. Overall, the main characteristics of spring steel are its high yield strength, excellent elasticity, superior fatigue resistance, good hardness and wear resistance, and exceptional formability. These qualities make it a vital material in a wide range of industries, including automotive, aerospace, construction, and manufacturing.
Q:
Special steel has been specifically engineered to excel in environments with high-temperature corrosion. Its exceptional properties grant it exceptional resistance against oxidation and corrosive reactions when subjected to elevated temperatures. The high chromium content found in special steel is a key factor contributing to its performance in high-temperature corrosion. Chromium creates a protective oxide layer, referred to as a passive film, which functions as a barrier against corrosive elements. This passive film remains stable even under high temperatures, successfully preventing oxidation and corrosion. Furthermore, special steel often incorporates additional alloying elements like nickel, molybdenum, and titanium, which further enhance its ability to resist high-temperature corrosion. These elements augment the steel's capacity to withstand aggressive chemical environments typically encountered in industrial processes involving high temperatures and corrosive substances. Moreover, special steel is renowned for its remarkable mechanical properties, which encompass high strength and toughness. These qualities enable the steel to endure the harsh conditions associated with high-temperature corrosion. Even when exposed to extreme temperatures and corrosive chemicals, it can retain its structural integrity and dimensional stability. In conclusion, special steel's exceptional resistance against high-temperature corrosion makes it the ideal choice for various applications in industries such as petrochemical, power generation, and aerospace. Its capacity to maintain performance and durability in challenging environments guarantees the longevity and reliability of equipment and structures, ultimately reducing maintenance and replacement expenses.
Q:
Machining titanium alloys poses several common challenges that need to be addressed in order to achieve successful and efficient results. One of the primary challenges is the material's inherent strength and hardness. Titanium alloys are known for their excellent strength-to-weight ratio, which makes them ideal for various applications. However, this same strength can make them difficult to machine. The high strength of titanium alloys increases the cutting forces required during machining, leading to faster tool wear and decreased tool life. This necessitates the use of robust cutting tools made from materials such as carbide or ceramic, which can withstand the demanding conditions and maintain their cutting performance. Another challenge in machining titanium alloys is their poor thermal conductivity. This characteristic causes heat to build up rapidly during the cutting process, leading to localized high temperatures. These high temperatures can result in thermal damage to both the cutting tool and the workpiece, leading to reduced dimensional accuracy and surface finish. To overcome this challenge, it is crucial to implement effective cooling and lubrication techniques, such as using coolant or high-pressure air, to dissipate the heat and prevent overheating. Furthermore, titanium alloys have a tendency to generate built-up edge (BUE) during machining. BUE is the accumulation of workpiece material on the cutting tool, which can cause poor chip evacuation, increased cutting forces, and surface finish issues. To mitigate BUE formation, it is recommended to use proper cutting speeds and feed rates, as well as employing cutting fluids that aid in chip evacuation and prevent the adhesion of material on the tool. Additionally, titanium alloys are highly reactive with oxygen, resulting in the formation of a tenacious oxide layer on the surface during machining. This oxide layer can cause tool chipping and premature wear. To combat this, it is necessary to employ suitable cutting speeds and feeds that promote efficient material removal while minimizing prolonged exposure to the reactive nature of titanium alloys. Lastly, the low thermal expansion coefficient of titanium alloys can cause workpiece distortion and dimensional inaccuracies. To address this challenge, it is important to ensure proper fixturing and clamping techniques that minimize workpiece movement during machining. In conclusion, the common challenges in machining titanium alloys include high cutting forces, poor thermal conductivity, built-up edge formation, reactive oxide layer, and workpiece distortion. These challenges can be overcome through the use of appropriate cutting tools, effective cooling and lubrication techniques, proper cutting parameters, and careful workpiece handling.
Q:
There are several methods for improving the creep resistance of special steel. One of the most common methods is alloying. By adding specific alloying elements such as chromium, molybdenum, and vanadium, the creep resistance of the steel can be significantly enhanced. These alloying elements form stable carbides or nitrides, which act as barriers to the movement of dislocations and reduce the rate of creep deformation. Another method is heat treatment. Through controlled heating and cooling processes, the microstructure of the steel can be refined to improve its creep resistance. Heat treatment techniques like quenching and tempering can help in the formation of a fine-grained structure, which increases the strength and creep resistance of the steel. Surface modification is another approach to improve creep resistance. Techniques like nitriding and carburizing can be used to introduce nitrogen or carbon into the surface layer of the steel, forming a hardened layer that enhances creep resistance. Additionally, the grain size of the steel can be controlled through processes like grain boundary engineering or severe plastic deformation. By refining the grain structure, the movement of dislocations within the material is hindered, leading to improved creep resistance. Lastly, the use of coatings can also enhance the creep resistance of special steel. Coatings like ceramic or metallic coatings can provide a protective layer that reduces the diffusion of impurities and slows down the creep rate. In conclusion, improving the creep resistance of special steel can be achieved through techniques such as alloying, heat treatment, surface modification, grain size control, and the application of coatings. These methods aim to strengthen the steel's microstructure, hinder dislocation movement, and provide protective barriers against creep deformation.
Q:
Special steel plays a crucial role in the tool manufacturing industry by providing enhanced strength, durability, and wear resistance to tools. This type of steel is specifically designed to withstand extreme conditions and heavy usage, allowing tools to perform efficiently and last longer. With its unique properties, special steel enables the production of high-quality, precision tools that can handle demanding tasks in various industries, ultimately enhancing productivity and ensuring safety for workers.
Q:
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:
Special steel plays a crucial role in the oil and gas aftermarket industry by offering enhanced performance, durability, and resistance to extreme conditions. It is used in various components such as pipes, valves, fittings, and drilling equipment, ensuring efficient and reliable operations in harsh environments. The unique properties of special steel, including high strength, corrosion resistance, and heat resistance, enable the industry to achieve increased productivity, improved safety, and extended equipment lifespan.
Q:
Various industries commonly utilize several corrosion-resistant special steel alloys. Among the most popular are stainless steel, duplex stainless steel, super duplex stainless steel, and nickel-based alloys. Stainless steel, which contains a minimum of 10.5% chromium, is a widely used corrosion-resistant alloy. It forms a protective layer of chromium oxide on its surface, effectively preventing further corrosion. This alloy exhibits high resistance to rust, staining, and pitting, making it suitable for applications in the food processing, chemical, and marine industries. Duplex stainless steel, a combination of austenitic and ferritic stainless steels, offers excellent corrosion resistance, particularly in environments with high chloride ion concentrations. It finds common use in the oil and gas, chemical, and desalination industries. Super duplex stainless steel, being a stronger variation of duplex stainless steel, provides enhanced corrosion resistance and mechanical properties. This makes it ideal for applications in harsh environments like offshore oil and gas platforms, chemical processing plants, and seawater desalination systems. Nickel-based alloys, including Inconel and Hastelloy, are renowned for their exceptional resistance to corrosion and high-temperature environments. These alloys find widespread use in industries such as aerospace, chemical processing, and power generation, where both corrosion and heat resistance are critical. These corrosion-resistant special steel alloys offer a range of options for industries seeking materials with superior durability and resistance to corrosive environments. The choice of alloy depends on the specific application, operating conditions, and desired performance characteristics.
Q:
There are several limitations associated with welding special steel that need to be considered. Firstly, special steel, such as high-alloy steels or heat-resistant steels, often have a higher carbon content, which makes them prone to cracking during welding. This requires careful control of preheating, interpass temperature, and post-weld heat treatment to minimize the risk of cracking. Another limitation is the potential for distortion and warping during welding. Special steels have a higher thermal conductivity and lower thermal expansion coefficient compared to carbon steels, which means they dissipate heat more quickly and are more prone to distortion. Proper clamping and fixturing techniques are necessary to minimize these effects. Special steels can also be more sensitive to impurities, such as sulfur and phosphorus, which can lead to the formation of brittle compounds during welding. It is essential to use high-quality filler materials and ensure the cleanliness of the base metal to prevent the formation of these detrimental compounds. Furthermore, special steels often require specific welding techniques and parameters. For instance, some high-alloy steels require a slow cooling rate to prevent the formation of brittle microstructures. This may necessitate the use of specialized cooling methods such as post-weld heat treatment or controlled cooling rates during welding. Lastly, the cost of special steels can be significantly higher compared to carbon steels. This can limit their use in certain applications where budget constraints are a concern. Overall, while special steels offer enhanced properties for specific applications, their welding process requires careful consideration and adherence to specific procedures to overcome the limitations associated with cracking, distortion, impurities, and cost.
Q:
Yes, special steel can be used in the solar panel manufacturing industry. Special steel alloys, such as stainless steel or high-strength low-alloy steel, offer excellent corrosion resistance, durability, and structural support for solar panels. These properties make them suitable for various components like mounting structures, frames, and support brackets in solar panel systems. Additionally, special steel can also enhance the overall efficiency and longevity of solar panels by ensuring their stability and resistance to environmental factors.

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