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 types of tool and die steel?: There are several different types of tool and die steel, including high-speed steel, cold work steel, hot work steel, and plastic mold steel.

Q: What are the different methods of improving the creep resistance of special steel?: There are several methods of improving the creep resistance of special steel, which are designed to enhance its ability to withstand long-term exposure to high temperatures and constant stress. Some of the methods commonly employed include: 1. Alloying: Special steel can be alloyed with specific elements to enhance its creep resistance. The addition of elements such as chromium, molybdenum, tungsten, and vanadium can significantly improve the material's ability to resist creep deformation. These alloying elements form strong carbides or intermetallic compounds, which impede the movement of dislocations and enhance the material's strength and resistance to creep. 2. Heat treatment: Precise heat treatment techniques can be employed to improve the creep resistance of special steel. Processes such as quenching and tempering, annealing, and normalizing can alter the steel's microstructure, leading to the formation of fine-grained and homogeneous structures that offer improved creep resistance. Heat treatment also helps in relieving residual stresses and improving the material's overall strength. 3. Grain refinement: Special steel can be subjected to processes that refine its grain structure, thereby enhancing its creep resistance. Techniques such as grain size reduction through controlled rolling, recrystallization, and severe plastic deformation can lead to the formation of smaller and more uniform grains. This refined microstructure hinders dislocation movement and improves the material's resistance to creep deformation. 4. Precipitation hardening: Special steel can be subjected to precipitation hardening methods, where the material is heated and then rapidly cooled to induce the formation of fine precipitates. These precipitates act as barriers to dislocation movement, improving the material's strength and creep resistance. 5. Surface modification: Special steel can be treated with surface modification techniques to increase its creep resistance. Methods such as shot peening, laser surface melting, and surface coatings can improve the surface integrity, reduce surface roughness, and introduce compressive residual stresses, all of which contribute to enhanced creep resistance. It is important to note that the selection and combination of these methods depend on the specific requirements of the application and the type of special steel being used. The aim is to optimize the material's microstructure, chemical composition, and surface characteristics to achieve the desired creep resistance and ensure long-term performance at elevated temperatures.

Q: What are the properties of high-strength tool steel?: High-strength tool steel possesses excellent hardness, wear resistance, and toughness. It has the ability to retain its sharpness, withstand high temperatures, and resist deformation. This type of steel is also known for its high strength-to-weight ratio, making it ideal for heavy-duty applications in industries such as manufacturing and construction.

Q: How does special steel contribute to the agriculture industry?: Special steel contributes to the agriculture industry by providing durable and high-performance materials for various agricultural machinery and equipment. It is used in the manufacturing of tractor parts, plows, harvesters, and other farm implements. The strength and resistance to wear and tear of special steel enhance the efficiency and longevity of these tools, ultimately improving productivity and yield in the agriculture sector.

Q: How is special steel used in the medical supply chain?: Special steel is used in the medical supply chain for various applications such as surgical instruments, implants, and medical devices. Its unique properties like corrosion resistance, high strength, and durability make it suitable for manufacturing critical components that require precision and reliability in the healthcare sector.

Q: What are the different renewable energy grades of special steel?: There are several grades of special steel that are commonly used in the renewable energy industry. These grades are specifically designed to withstand the harsh conditions and requirements of renewable energy applications. One of the most common grades of special steel used in renewable energy is stainless steel. Stainless steel is known for its corrosion resistance properties, which make it ideal for offshore wind turbines or solar panel frames that are exposed to moisture and saltwater. It is also used in geothermal power plants, where high temperatures and corrosive environments are present. Another grade of special steel used in renewable energy is high-strength low-alloy (HSLA) steel. HSLA steel has a higher strength-to-weight ratio, making it suitable for applications that require lightweight structures with high strength, such as wind turbine towers or support structures for solar panels. Furthermore, there is advanced high-strength steel (AHSS) that is commonly used in the automotive industry but can also be utilized in renewable energy applications. AHSS offers excellent strength, durability, and impact resistance, making it suitable for components like blades or gears in wind turbines. Additionally, there is a grade of steel called weathering steel, which is often used in renewable energy applications that are exposed to outdoor elements. Weathering steel forms a protective layer of rust, which prevents further corrosion and eliminates the need for additional coatings. It is commonly used in solar panel support structures, transmission towers, or other outdoor equipment. Overall, the selection of the appropriate grade of special steel for a specific renewable energy application depends on factors such as the type of renewable energy source, the environment in which it will be installed, and the specific requirements of the project.

Q: What are the different types of high-strength steel?: There are several different types of high-strength steel, including advanced high-strength steels (AHSS), ultra-high-strength steels (UHSS), and microalloyed steels. AHSS are specifically designed to provide improved strength and formability, making them suitable for automotive applications. UHSS have even higher strength levels than AHSS and are often used in applications where weight reduction and crashworthiness are critical, such as in the aerospace industry. Microalloyed steels are a type of high-strength steel that use small amounts of alloying elements to achieve increased strength and toughness.

Q: How does special steel contribute to improving product resistance to environmental factors?: Special steel contributes to improving product resistance to environmental factors through its unique properties. Special steels are engineered to have superior strength, corrosion resistance, and durability, allowing them to withstand harsh environmental conditions such as extreme temperatures, moisture, and chemical exposure. These enhanced properties enable products made from special steel to have a longer lifespan, reduced maintenance requirements, and increased performance in challenging environments. Ultimately, special steel helps to enhance product reliability and longevity, making it an essential material for improving resistance to environmental factors.

Q: How does heat-resistant steel perform in high-temperature applications?: Heat-resistant steel is specifically designed to withstand high temperatures without losing its mechanical properties. It exhibits excellent strength, corrosion resistance, and thermal stability, making it ideal for high-temperature applications. This type of steel can maintain its structural integrity and resist deformation, oxidation, and creep even at extremely elevated temperatures, ensuring reliable and long-lasting performance in demanding environments.

Q: What are the properties of high-strength alloy steel?: High-strength alloy steel possesses several important properties, including exceptional strength, hardness, and wear resistance. It also exhibits excellent toughness, allowing it to withstand high-stress applications without fracturing or deforming. Additionally, this type of steel often maintains its mechanical properties even at elevated temperatures, making it suitable for use in extreme environments. Finally, high-strength alloy steel typically offers good corrosion resistance, which allows it to withstand exposure to various chemicals and harsh conditions.

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