Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar System 1

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar System 2

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar System 3

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar System 4

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 3 m.t.

Supply Capability:: 100000 m.t./month

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Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

Details Information of Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

Name	Grade 34CrNiMo6/DIN1.6582/ AISI4340 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

Carbon structure round bar	Q195 Q235A Q235B 10# 20#-55# S45CB
Low alloy high strength round bar	Q345A/Q345C/Q345D Q345B Q345E
Alloy structure round bar	SAE51B20 20Cr 40Cr 40CrV 20CrMo/30CrMo/35CrMo/42CrMo 20CrMoA/30CrMoA/35CrMoA/42CrMoA/42Cr ML20CrMo/ML30CrMo/ML35CrMo/ML42CrMo B7/SCM435-440 20MnTiB 20CrMnMo 20CrMoH 42CrMoH 40MnB/40MnBH 30Mn2-40Mn2 27SiMn 50CrVA 30CrMnTi
Pinion steel	20CrMnTi 20CrMnTiH 20CrMnTiHCS/20CrMnTiHLD Q20CrMnTi-1/Q20CrMnTi-2
Sucker rod	20-35CrMoA
Free-cutting steel	GT1215S
Spring steel	60Si2MnA 65Mn
Ball bearing steel	GCr15

Chemical Composition of Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

C	Si	Mn	P	S	Cr	Ni	Cu

0.17-0.24	0.17-0.37	0.35-0.65	≤0.035	≤0.035	≤0.25	≤0.25	≤0.25

Tensile strength (σb/MPa)	Yield strength (σb/MPa)	Elongation (δ5/%)
≥410(42)	≥245(25)	≥25

Company Introduction of Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round 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.

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

Certificates of Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

Packaging & Delivery of Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

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

Products show of Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

Grade 34CrNiMo6/DIN1.6582/ AISI4340 Steel Round Bar

FAQ

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	3 metric ton
What’s your delivery time?	15-35 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.
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
Where are your Market?	Covering more than 160 countries in the world

Q: How does heat treatment affect the properties of special steel?: Heat treatment can significantly impact the properties of special steel. By subjecting the steel to controlled heating and cooling processes, the structure and composition of the steel can be altered, resulting in changes to its hardness, strength, toughness, and other mechanical properties. Heat treatment can also improve the steel's resistance to wear, corrosion, and fatigue, making it more suitable for specific applications.

Q: What are the different joining methods for special steel?: There are several different joining methods for special steel, including welding, brazing, soldering, and mechanical fastening. Each method has its own advantages and considerations depending on the specific requirements of the application. Welding is commonly used for joining thick sections of steel and offers high strength and durability. Brazing and soldering involve melting a filler material to bond the steel pieces together at lower temperatures, making them suitable for joining thin or delicate components. Mechanical fastening methods, such as bolts, nuts, and rivets, provide a non-permanent joining solution and are often used in applications that require disassembly or reassembly.

Q: How is shock-resistant alloy steel used in the production of impact-resistant parts?: Shock-resistant alloy steel is used in the production of impact-resistant parts due to its high strength and ability to withstand sudden impact forces without fracturing or deforming. This steel is specifically designed to absorb and disperse energy, making it ideal for applications where parts are exposed to repeated impacts or high-stress environments. By using shock-resistant alloy steel, manufacturers can create durable and reliable impact-resistant parts that can withstand heavy loads, reduce the risk of failure, and increase the overall safety and longevity of the component or equipment.

Q: What are the applications of special steel in the railway industry?: Special steel has a wide range of applications in the railway industry. It is commonly used in the manufacturing of rails, which need to be durable and able to withstand heavy loads and constant wear and tear. Special steel is also used in the construction of railway bridges and tunnels, as it offers high strength and resistance to corrosion. Additionally, special steel is used in the production of various railway components such as wheels, axles, and couplers, ensuring safety and reliability in train operation.

Q: How is alloy steel used in the production of gears and shafts?: Alloy steel is used in the production of gears and shafts due to its high strength and durability. By adding different alloying elements such as chromium, nickel, and molybdenum, the steel's properties can be enhanced to withstand heavy loads, high temperatures, and wear. This makes alloy steel ideal for manufacturing gears and shafts that need to transmit power, resist deformation, and maintain their integrity under demanding conditions.

Q: What are the properties of tungsten alloys?: Tungsten alloys possess high density, exceptional strength, and excellent heat resistance. They exhibit excellent corrosion resistance, good electrical conductivity, and are highly resistant to wear and deformation. Additionally, tungsten alloys have a high melting point, making them suitable for applications in extreme environments such as aerospace, defense, and medical industries.

Q: How does special steel perform in marine applications?: Special steel performs exceptionally well in marine applications due to its excellent corrosion resistance and high strength. The steel is specifically designed to withstand harsh marine environments, such as saltwater, which can cause corrosion and deterioration in other materials. Its resistance to corrosion ensures durability and longevity, making it an ideal choice for various marine components and structures, including ships, offshore platforms, and underwater equipment. Additionally, the high strength of special steel enhances the structural integrity and load-bearing capacity of marine applications, providing superior performance and safety in challenging conditions.

Q: What is the role of heat treatment in special steel?: Enhancing the properties and performance of special steel is of utmost importance, and heat treatment plays a vital role in achieving this. Special steel refers to alloys that are deliberately designed to possess unique characteristics such as high strength, corrosion resistance, or heat resistance. To alter the microstructure of the steel and attain the desired properties, heat treatment involves subjecting it to controlled heating and cooling processes. Improving the mechanical properties of special steel is one of the primary functions of heat treatment. By carefully regulating the temperature during heating and controlling the rate of cooling, the steel's hardness, strength, and toughness can be greatly enhanced. For instance, procedures like quenching and tempering significantly increase the steel's strength and resistance to wear and fatigue. This makes it suitable for applications requiring high strength and durability, such as machinery, tools, or aerospace components. Heat treatment also plays a crucial role in optimizing the steel's resistance to corrosion. Special steel is frequently used in environments where it is exposed to harsh conditions like corrosive chemicals or high temperatures. By subjecting the steel to specific heat treatment processes like annealing or precipitation hardening, a more stable microstructure is developed, improving its resistance to corrosion and oxidation. This ensures that the special steel retains its structural integrity and performance even in challenging environments. Furthermore, heat treatment can modify the steel's heat resistance properties. Special steel often finds applications in industries where it is exposed to high temperatures, such as turbines or exhaust systems. Through heat treatment techniques like normalization or hardening, the steel can be made more resistant to deformation, cracking, or softening at elevated temperatures. This allows the special steel to maintain its strength and structural integrity even under extreme heat conditions. To summarize, heat treatment is crucial in optimizing the mechanical, corrosion resistance, and heat resistance properties of special steel. By carefully manipulating the steel's microstructure through controlled heating and cooling processes, heat treatment enhances its strength, durability, and performance, making it suitable for a wide range of demanding applications.

Q: What are the different defense grades of special steel?: Special steel is a category of steel that is specifically designed to possess enhanced properties, such as increased strength, durability, and resistance to various environmental factors. When it comes to defense applications, special steel is often utilized to manufacture armor and protective components for military vehicles, aircraft, and naval vessels. These defense grades of special steel are classified based on their specific characteristics and performance levels. One of the most common defense grades of special steel is known as ballistic steel. Ballistic steel is engineered to provide exceptional resistance against ballistic threats, including bullets and shrapnel. It possesses high tensile strength and hardness, which allows it to withstand the impact and penetration of projectiles. Ballistic steel is categorized into several grades, such as MIL-A-46100, MIL-A-12560, and AR500, each offering different levels of protection against various types of ammunition. Another defense grade of special steel is known as blast-resistant steel. This type of steel is designed to withstand explosions and minimize the damage caused by shockwaves, fragmentation, and heat. It is commonly used in the construction of blast-resistant walls, doors, and windows for military bases, embassies, and critical infrastructure facilities. Blast-resistant steel grades are classified based on their ability to withstand different levels of explosive forces, with higher grades providing greater protection. Additionally, there are specialized grades of special steel used for anti-vehicle applications. These grades, such as Armox and Ramor, are engineered to resist the impact of heavy-caliber projectiles and explosive devices, making them suitable for manufacturing armored vehicles and personnel carriers. They provide a combination of high hardness, toughness, and energy absorption properties, ensuring the safety of military personnel on the battlefield. Overall, the defense grades of special steel are diverse and tailored to meet the specific requirements of different defense applications. They provide essential protection and ensure the safety of military personnel and equipment in challenging and hostile environments. The choice of the appropriate grade depends on the nature of the threat, the level of protection needed, and the specific design and performance criteria of the defense application.

Q: What are the cutting tools used for machining special steel?: The cutting tools used for machining special steel include carbide inserts, high-speed steel (HSS) tools, ceramic tools, and diamond-coated tools. These tools are designed to withstand the high temperatures and hardness of special steels, ensuring efficient and precise cutting operations.

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