Grade SAE4340 High Speed Steel Bar for Gears

Grade SAE4340 High Speed Steel Bar for Gears System 1

Grade SAE4340 High Speed Steel Bar for Gears System 2

Grade SAE4340 High Speed Steel Bar for Gears System 3

Grade SAE4340 High Speed Steel Bar for Gears System 4

Grade SAE4340 High Speed Steel Bar for Gears

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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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Grade SAE4340 High Speed Steel Bar for Gears

Detailed Information of Grade SAE4340 High Speed Steel Bar for Gears

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 4130 Steel Rod/4130 Steel Bar/Alloy 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 Grade SAE4340 High Speed Steel Bar for Gears

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.

Grade SAE4340 High Speed Steel Bar for Gears

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 Grade SAE4340 High Speed Steel Bar for Gears

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

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Grade SAE4340 High Speed Steel Bar for Gears

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 peening techniques used for special steel?: Some of the different peening techniques used for special steel include shot peening, ultrasonic peening, laser peening, and needle peening.

Q: How does wear-resistant steel protect against abrasive wear?: Wear-resistant steel protects against abrasive wear by having a high hardness and toughness, which allows it to withstand the abrasive forces and prevent material loss or surface damage. The steel's composition and heat treatment provide it with enhanced resistance to abrasive particles, reducing wear and extending the lifespan of the material.

Q: What is the impact of grain size on the mechanical properties of special steel?: The impact of grain size on the mechanical properties of special steel is significant. Grain size refers to the size and distribution of individual crystals within the steel structure. It is determined by factors such as the cooling rate during solidification and subsequent heat treatments. In general, a smaller grain size in special steel leads to improved mechanical properties. This is because smaller grains offer a greater number of grain boundaries, which act as barriers to dislocation movement and improve the strength of the steel. Smaller grains also provide a more uniform microstructure, enhancing the overall toughness and resistance to fracture. Additionally, a smaller grain size promotes higher hardness and increased wear resistance in special steel. This is due to the increased number of grain boundaries that hinder the movement of dislocations, preventing plastic deformation and leading to higher hardness values. On the other hand, larger grain sizes can negatively impact the mechanical properties of special steel. Larger grains have fewer grain boundaries, allowing dislocations to move more freely. This results in reduced strength, toughness, and hardness of the steel. Furthermore, larger grains can also lead to anisotropic behavior, where the mechanical properties differ in different crystallographic directions, making the steel more susceptible to failure under certain loading conditions. Therefore, controlling and optimizing the grain size in special steel is crucial to achieve desired mechanical properties. This can be achieved through precise heat treatments, such as annealing or quenching, which control the cooling rate and subsequent recrystallization processes. By controlling the grain size, special steel can be tailored to meet specific application requirements, ensuring optimal mechanical performance and reliability.

Q: How does special steel contribute to the agricultural sector?: Special steel contributes to the agricultural sector in several ways. Firstly, special steel is known for its strength and durability, making it an ideal material for manufacturing various agricultural machinery and equipment. This includes tractors, plows, harvesters, and irrigation systems, among others. These machines require robust and reliable components that can withstand the demanding conditions of agricultural work, and special steel provides the necessary strength and resistance to wear and tear. Additionally, special steel can be used to produce high-quality cutting tools that are essential in farming operations. Implements such as sickles, scythes, and pruning shears need to have sharp and durable blades to efficiently cut through vegetation. Special steel's hardness and strength make it a suitable material for manufacturing these tools, ensuring they retain their sharpness even after prolonged use. Furthermore, special steel can contribute to the agricultural sector by enabling the construction of sturdy and durable infrastructure. Agricultural buildings, storage facilities, and fencing often require strong and corrosion-resistant materials to withstand the elements and protect crops, livestock, and equipment. Special steel, with its resistance to rust and structural integrity, can be used in the construction of barns, silos, sheds, and fencing, providing long-lasting and reliable structures. In conclusion, special steel plays a crucial role in the agricultural sector by providing the necessary strength, durability, and corrosion resistance required for the manufacturing of machinery, cutting tools, and infrastructure. Its properties contribute to improved efficiency, productivity, and reliability in agricultural operations, ultimately benefiting farmers and the overall agricultural industry.

Q: How does special steel enhance the durability of products?: Special steel enhances the durability of products by providing superior strength, hardness, and resistance to wear, corrosion, and extreme temperatures. Its unique composition and manufacturing techniques make it highly efficient in withstanding heavy loads and external factors, thereby ensuring longevity and reliability of the products it is used in.

Q: What are the different methods of machining special steel?: There are several different methods of machining special steel, each with its own advantages and applications. Some of the most common methods include: 1. Turning: Turning is a machining process that involves rotating a workpiece while a cutting tool removes material from the surface. This method is typically used to create cylindrical shapes and can produce high-quality finishes. 2. Milling: Milling is a versatile machining method that uses rotary cutters to remove material from a workpiece. It can be used to create complex shapes and contours, and is often employed in the production of special steel components. 3. Drilling: Drilling is a machining process that involves creating holes in a workpiece using a rotating cutting tool. It can be used to create both through holes and blind holes in special steel, and is commonly used in various industries. 4. Grinding: Grinding is a precision machining method that uses an abrasive wheel to remove material from a workpiece's surface. It is often used to achieve tight tolerances and smooth finishes on special steel components. 5. Broaching: Broaching is a machining process that uses a sharp cutting tool with multiple teeth to remove material in a series of linear cuts. It is commonly used to create keyways, splines, and other intricate shapes in special steel. 6. Electrical Discharge Machining (EDM): EDM is a non-traditional machining method that uses electrical discharges to remove material from a workpiece. It is particularly useful for machining special steel with complex shapes or for creating small features. 7. Laser Cutting: Laser cutting utilizes a high-powered laser to cut through special steel with extreme precision. It is commonly used for intricate designs and can produce smooth edges without the need for subsequent processing. Each of these methods has its own advantages and limitations, and the choice of machining method depends on factors such as the desired outcome, the complexity of the part, and the properties of the special steel being machined.

Q: What are the different coating techniques used for special steel?: There are several different coating techniques used for special steel, including electroplating, hot-dip galvanizing, powder coating, and thermal spray coating. Each technique has its own advantages and uses, depending on the desired outcome and the specific properties of the special steel being coated.

Q: Can special steel be used in extreme weather conditions?: Yes, special steel can be used in extreme weather conditions. Specialized steel alloys such as stainless steel or weathering steel are designed to withstand harsh environments, including extreme temperatures, high humidity, corrosive elements, and exposure to UV radiation. These steels offer enhanced durability, resistance to corrosion, and excellent structural integrity, making them suitable for various applications in extreme weather conditions.

Q: What are the requirements for special steel used in energy equipment manufacturing?: The requirements for special steel used in energy equipment manufacturing include high strength, excellent corrosion resistance, and the ability to withstand high temperatures and pressures. It also needs to meet specific industry standards, such as those related to safety, reliability, and environmental sustainability. Additionally, the steel should possess good weldability and machinability to facilitate the manufacturing process.

Q: Can special steel be used in the printing industry?: Yes, special steel can be used in the printing industry. Special steel, such as stainless steel or tool steel, can be utilized in the manufacturing of printing equipment and machinery parts. These types of steel provide excellent strength, durability, and resistance to wear and corrosion, making them suitable for various components used in printing presses, rollers, blades, and other machinery.

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