11SMnPb30 / 12l14 Free Cutting Steel Bar

11SMnPb30 / 12l14 Free Cutting Steel Bar System 1

11SMnPb30 / 12l14 Free Cutting Steel Bar System 2

11SMnPb30 / 12l14 Free Cutting Steel Bar System 3

11SMnPb30 / 12l14 Free Cutting Steel Bar System 4

11SMnPb30 / 12l14 Free Cutting Steel Bar

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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11SMnPb30 / 12l14 Free Cutting Steel Bar

Detailed Information of 11SMnPb30 / 12l14 Free Cutting Steel Bar

Name	Steel Round Bar
Shape	Round Bar/Square Bar/Flat Bar/Plate/Wire
Standard	GB/ASTM/SAE/AISI/DIN/JIS/EN/BS
Surface Treatment:	Black/Peeling/Polished/Machined
Delivery Condition:	Hot Rolled or Forged/Peeled or Black Surface
Test	SGS/UT 100% Elements Testing
Certificate:	ISO/Mill Certificate
Service:	24 hours online service /
Service:	more than 20 years trading and manufacture
Quality Assurance:	the third party inspection, such as SGS, BV, TUV…etc. is acceptable
Packaging Details:	Seaworthy Packaging or as per customer's packing instruction

Product Overviews of 11SMnPb30 / 12l14 Free Cutting Steel Bar

Product Name	Typical Grades	Diameter(mm)	Standard Adopted
Carbon Steel	20 (1020/S20C/C22)
	40 (1040/S40C/C40)	Ø16-Ø300
	45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)
	GCr15 (52100/SUJ2/100Gr6)	Ø12-Ø250
	GCr9SiMn (A485-Gr.1/SUJ3)		GB/SAE/
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)		JIS/DIN
	40Cr (5140/SCr440/41Cr4)	Ø12-Ø250
	42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo
	20CrMn(5115/SMnC420/20MnCr5)	Ø16-Ø600
	20CrNiMo(8620/SNCM220/20CrMiMo2)

Company Introduction of 11SMnPb30 / 12l14 Free Cutting Steel Bar

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

11SMnPb30 / 12l14 Free Cutting Steel Bar

After-sale service	l CNBM provides the services and support you need for every step of our cooperation. We’re the business partners you can trust; you can relax and get on with doing business.
	l For any problem, please kindly contact us at any your convenient time, we’ll reply you in our first priority within 24 hours

Advantages	l Industry experience over 20 years.
	l Shipment of goods -More than 70 countries worldwide.
	l The most convenient transport and prompt delivery.
	l Competitive price with best service.
	l High technical production line with top quality products.
	l High reputation based on best quality products.

Packaging & Delivery of 11SMnPb30 / 12l14 Free Cutting Steel Bar

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

Products Show

11SMnPb30 / 12l14 Free Cutting Steel Bar

FAQ:

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	1000m2
What’s your delivery time?	15-20 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
Why choose us?
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q: What are the different types of high-speed steel?: There are several different types of high-speed steel, including M1, M2, M42, and T1. These variations have different compositions and properties, such as varying levels of tungsten, molybdenum, and vanadium, which affect their hardness, toughness, and heat resistance.

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: How is special steel used in the manufacturing of bearings?: Due to its unique properties, special steel is utilized in the production of bearings, which are vital components employed in various industries. These bearings serve the purpose of reducing friction between moving parts, promoting smooth motion, and supporting heavy loads. The utilization of special steel guarantees exceptional performance and longevity. For the production of bearings, the preferred choice of special steel includes stainless steel and high-carbon chromium steel. This selection is based on the remarkable strength, hardness, and resistance to corrosion that these types of steel possess. These properties enable the bearings to endure heavy loads, withstand wear and tear, and operate effectively in challenging environments. The manufacturing process for bearings involves shaping and heat treatment. Initially, special steel is melted and cast into the desired form, typically a ring or a ball. Subsequently, the steel undergoes various heat treatment procedures like annealing, quenching, and tempering to enhance its hardness, toughness, and overall mechanical properties. This heat treatment ensures that the steel is adequately hardened to endure the stress and friction it will encounter during operation. Once the steel has undergone appropriate heat treatment, it is machined and ground to attain precise dimensions and smooth surfaces. This step is vital to ensure that the bearings possess the necessary tolerance and can rotate smoothly without any interference. Special steel's machinability and grindability simplify the achievement of the required accuracy and surface finish. Following the machining process, the bearings can be assembled with other components and lubricated to ensure proper lubrication and minimize friction. Special steel's corrosion resistance is particularly valuable at this stage as it shields the bearings from rust and degradation caused by moisture or aggressive environments. In conclusion, special steel is chosen for the production of bearings due to its exceptional strength, hardness, and corrosion resistance. These properties enable the bearings to withstand heavy loads, resist wear, and function effectively in challenging conditions. With the aid of its excellent machinability and grindability, special steel guarantees the attainment of the necessary precision and surface finish. Overall, special steel plays a pivotal role in the production of high-quality bearings that enable efficient and reliable motion in various industries.

Q: Can special steel be used in the production of bearings?: Yes, special steel can be used in the production of bearings. Special steel alloys, such as stainless steel or chrome steel, offer enhanced properties like corrosion resistance, high strength, and durability, making them suitable for bearing applications in various industries.

Q: How does quenching and tempering affect the hardness of special steel?: Quenching and tempering significantly impact the hardness of special steel. Quenching involves rapidly cooling the steel from a high temperature, which results in a hard and brittle structure. On the other hand, tempering involves reheating the quenched steel to a specific temperature and then cooling it slowly, which reduces the brittleness and increases the toughness of the steel while maintaining a desired level of hardness. Overall, this heat treatment process modifies the microstructure of the steel, leading to a controlled increase in hardness while improving its mechanical properties.

Q: What are the different methods of surface electropolishing for special steel?: Special steel can undergo surface electropolishing using various methods, each with its unique benefits and applications. 1. Immersion Electropolishing: To achieve a smooth and polished finish, the special steel components are immersed in an electrolyte bath, and a direct current is passed through the solution. This method is ideal for large and complex parts, offering uniform surface improvement on all exposed areas. 2. Electrolytic Electropolishing: By applying a direct current directly to the surface of the special steel component using an electrode, the surface dissolves, resulting in a reflective and smooth finish. This technique allows precise control over the process and is suitable for smaller or intricate parts, targeting specific areas that require improvement. 3. Reverse Pulse Electropolishing: A combination of direct and reverse current pulses is utilized to achieve an exceptional surface finish. The reverse current pulses reduce surface roughness and eliminate embedded particles or contaminants. This method is especially beneficial for special steel components that require enhanced corrosion resistance and improved cleanliness. 4. Magnetic Field-Assisted Electropolishing: Applying a magnetic field to the electropolishing process can enhance the polishing rate and surface finish. The alignment of the electrical current by the magnetic field improves material removal, resulting in a smoother and more uniform surface. This method is preferred for difficult-to-polish special steels or those with complex geometries. 5. Flow-Assisted Electropolishing: By using a flowing electrolyte solution, the electropolishing process is enhanced. The flowing solution aids in removing dissolved material from the surface and prevents the formation of gas bubbles, resulting in a more efficient and smoother polishing. This method is suitable for large or flat special steel components requiring a high-quality surface finish. In conclusion, the choice of the appropriate method for surface electropolishing of special steel depends on specific component requirements, such as size, geometry, and desired surface finish. Each method has its advantages and considerations, and seeking guidance from an experienced electropolishing specialist is advisable to determine the most suitable approach.

Q: What are the specific requirements for special steel used in the nuclear waste storage industry?: The nuclear waste storage industry has stringent and critical requirements for special steel to guarantee the safety and long-term viability of storage facilities. These requirements are driven primarily by the need to mitigate risks associated with nuclear waste, such as radiation leakage and corrosion. One key requirement is the need for high strength and durability. Special steel used in nuclear waste storage must possess exceptional mechanical properties to withstand the weight and pressure exerted by waste containers and the surrounding environment. This includes resistance to deformation, fracture, and fatigue, as well as the ability to maintain structural integrity for an extended period. Another essential requirement is excellent corrosion resistance. Nuclear waste contains highly corrosive substances that can degrade regular steel over time. Therefore, special steel used in the nuclear waste storage industry must have enhanced corrosion resistance to ensure long-term durability and prevent leakage of radioactive materials. Furthermore, the steel must have a low susceptibility to stress corrosion cracking (SCC). SCC occurs when a combination of tensile stress, corrosive environment, and specific material conditions result in crack initiation and propagation. To maintain the integrity of containers and minimize the risk of leakage, the steel used must be highly resistant to SCC. Radiation resistance is also critical for special steel used in nuclear waste storage. The steel should exhibit minimal degradation or embrittlement when exposed to high levels of radiation. This is necessary to maintain the structural integrity of storage containers and prevent any weakening that could compromise waste containment. In addition, the special steel used in the nuclear waste storage industry must comply with strict regulatory standards and certifications. It must meet specific design codes and guidelines set by regulatory authorities to ensure compliance with safety regulations and minimize potential hazards. In conclusion, the special steel used in the nuclear waste storage industry must meet specific requirements, including high strength, durability, corrosion resistance, low susceptibility to stress corrosion cracking, radiation resistance, and compliance with regulatory standards. These requirements are essential for maintaining the safety and integrity of storage facilities and preventing any leakage or release of radioactive materials into the environment.

Q: How does special steel contribute to the circular economy?: Special steel contributes to the circular economy by promoting resource efficiency and reducing waste. It can be recycled multiple times without losing its properties, allowing it to be reused in various applications. This reduces the need for virgin materials, conserves resources, and minimizes the environmental impact of steel production. Additionally, special steel's durability and longevity make it suitable for extended use, further contributing to a more sustainable, circular economy.

Q: What are the main characteristics of creep-resistant steel forgings?: Creep-resistant steel forgings possess a range of essential qualities that render them suitable for applications involving high temperatures and prolonged stress and heat exposure. To begin with, these forgings are renowned for their exceptional resistance to creep deformation. Creep refers to the gradual deformation that occurs under constant load and elevated temperatures over an extended period. These forgings are specifically designed to withstand such deformation, retaining their shape and structural integrity. Consequently, they are ideal for use in environments with high temperatures, such as turbine blades, boiler components, and other similar settings. Another crucial characteristic of creep-resistant steel forgings is their impressive strength. These forgings are manufactured using alloying elements like chromium, molybdenum, and vanadium, which enhance their tensile strength. As a result, they exhibit excellent resistance to deformation and fracture under high-stress conditions. This strength is essential for ensuring that the forgings can endure the demands of various applications and perform reliably over time. Furthermore, creep-resistant steel forgings demonstrate good resistance to oxidation and corrosion. The presence of alloying elements creates a protective layer on the surface, safeguarding against oxidation and corrosion at elevated temperatures. This resistance is vital in preventing the degradation of the material and maintaining its mechanical properties, even in harsh environments. Moreover, creep-resistant steel forgings offer outstanding thermal stability. They can endure extreme temperature fluctuations without significant dimensional changes or loss of mechanical strength. This stability is particularly critical in applications that involve rapid heating and cooling cycles, ensuring that the forgings can sustain their performance under challenging conditions. Additionally, creep-resistant steel forgings possess excellent fatigue resistance. Fatigue refers to the weakening of a material resulting from cyclic loading, which is particularly relevant in high-temperature applications due to the combination of stress and heat. These forgings are designed to withstand cyclic loading and retain their mechanical properties, thus reducing the risk of fatigue failure and enhancing the overall reliability of the component. In conclusion, the primary characteristics of creep-resistant steel forgings encompass resistance to creep deformation, high strength, good oxidation and corrosion resistance, thermal stability, and excellent fatigue resistance. These qualities establish creep-resistant steel forgings as a reliable and durable choice for applications requiring resistance to high temperatures, stress, and prolonged exposure to challenging environments.

Q: What industries commonly use special steel?: Industries commonly using special steel include automotive, aerospace, construction, energy, and manufacturing.

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