Special Steel 8620H 40CrNiMoA Iron Steel Round Bar

Special Steel 8620H 40CrNiMoA Iron Steel Round Bar System 1

Special Steel 8620H 40CrNiMoA Iron Steel Round Bar System 2

Special Steel 8620H 40CrNiMoA Iron Steel Round Bar System 3

Special Steel 8620H 40CrNiMoA Iron Steel Round Bar System 4

Special Steel 8620H 40CrNiMoA Iron 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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Special Steel 8620H 40CrNiMoA Iron Steel Round Bar

Details Information of Special Steel 8620H 40CrNiMoA Iron Steel Round Bar

Name	8620H 40CrNiMoA 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 Special Steel 8620H 40CrNiMoA Iron 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 Special Steel 8620H 40CrNiMoA Iron 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.

Special Steel 8620H 40CrNiMoA Iron Steel Round Bar

Certificates of Special Steel 8620H 40CrNiMoA Iron Steel Round Bar

Special Steel 8620H 40CrNiMoA Iron Steel Round Bar

Packaging & Delivery of Special Steel 8620H 40CrNiMoA Iron 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 Special Steel 8620H 40CrNiMoA Iron Steel Round Bar

Special Steel 8620H 40CrNiMoA Iron 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: What are the different passivation techniques used for special steel?: There are several passivation techniques used for special steel, including chemical passivation, electrochemical passivation, and mechanical passivation. Chemical passivation involves the use of acidic solutions to remove impurities from the steel's surface and create a passive oxide layer. Electrochemical passivation utilizes an electrical current to form the protective oxide layer on the steel's surface. Mechanical passivation involves processes such as shot blasting or grinding to remove contaminants and improve the surface quality of the steel. These techniques help enhance the corrosion resistance and overall performance of special steel.

Q: How does special steel perform in terms of chemical resistance?: Special steel has excellent chemical resistance properties, making it highly resistant to corrosion and oxidation. It is capable of withstanding exposure to various chemicals, acids, and corrosive environments without undergoing significant degradation. This makes special steel a reliable choice for applications that require strong resistance against chemical attack.

Q: How does special steel contribute to the automotive fuel efficiency?: Special steel contributes to automotive fuel efficiency in several ways. Firstly, special steel is lighter and stronger than traditional steel, allowing for the use of thinner and lighter components in the vehicle's structure. This reduces the overall weight of the vehicle, which in turn reduces the amount of fuel needed to propel it. Additionally, special steel can be used to create more aerodynamic designs, reducing air resistance and improving the vehicle's fuel efficiency. Furthermore, special steel can be used in the manufacturing of high-efficiency engines, improving their performance and reducing fuel consumption. Overall, the use of special steel in the automotive industry helps to create lighter, more aerodynamic, and more fuel-efficient vehicles.

Q: What are the main applications of special steel in the power transmission industry?: Special steel is widely used in the power transmission industry for various applications. One of the main applications is in the manufacturing of power transmission components such as gears, shafts, and couplings, where special steel's high strength and durability are essential for transmitting power efficiently. Additionally, special steel is also used in the construction of power transmission towers and poles, providing structural integrity and resistance against harsh environmental conditions. Overall, the main applications of special steel in the power transmission industry revolve around its ability to enhance performance, reliability, and longevity of power transmission systems.

Q: How is tool and die steel used in the manufacturing of molds and dies?: Tool and die steel is used in the manufacturing of molds and dies because of its high hardness, wear resistance, and toughness properties. It is used to create and shape various components of molds and dies, such as inserts, cavities, and cores, which are crucial in the production of plastic, metal, or other materials. Additionally, tool and die steel also provides the necessary strength and durability to withstand the high pressure, heat, and repeated use involved in the manufacturing process.

Q: How does special steel contribute to reducing greenhouse gas emissions?: Special steel can contribute to reducing greenhouse gas emissions in several ways. Firstly, special steel is often used in the construction of energy-efficient buildings and infrastructure, which helps to reduce the energy consumption and carbon emissions associated with heating, cooling, and transportation. Additionally, special steel can be utilized in the manufacturing of more lightweight vehicles and machinery, leading to improved fuel efficiency and lower emissions. Furthermore, special steel is also employed in renewable energy technologies such as wind turbines and solar panels, helping to promote the adoption of clean energy sources and reduce reliance on fossil fuels. Overall, the unique properties of special steel enable the development of more sustainable solutions across various industries, thereby contributing to the reduction of greenhouse gas emissions.

Q: What are the different methods of surface shot blasting for special steel?: Special steel can be subjected to various surface shot blasting techniques. Among the most commonly employed methods are: 1. Wheel blasting: Utilizing a rapidly spinning wheel embedded with abrasive particles, this technique eliminates impurities and imperfections from the surface of the special steel. 2. Air blasting: By propelling abrasive particles onto the special steel surface using compressed air, this method achieves a thorough cleaning and prepares the surface for subsequent treatment or coating. 3. Wet blasting: This approach involves blending abrasive particles with water and spraying the resulting mixture onto the special steel surface. The inclusion of water helps manage dust and heat generated during the blasting process, rendering it suitable for delicate or sensitive steel surfaces. 4. Vacuum blasting: By incorporating a vacuum system alongside abrasive particles, this technique effectively eliminates both particles and contaminants from the special steel surface. It proves particularly valuable for removing paint or coatings. 5. Shot peening: Employed as a specialized variant of shot blasting, shot peening enhances the strength and fatigue resistance of special steel. It entails bombarding the surface with small spherical particles, generating compressive stresses that bolster the steel's durability. Each of these methods offers distinct advantages and is suitable for different types of special steel and surface conditions. The selection of the appropriate technique hinges upon factors like desired surface finish, contamination levels, and specific steel application requirements.

Q: What are the different food processing grades of special steel?: The different food processing grades of special steel include austenitic stainless steel (such as Type 304 and Type 316), ferritic stainless steel (such as Type 430), and martensitic stainless steel (such as Type 410). These grades are commonly used in the food industry due to their corrosion resistance, heat resistance, and ability to maintain hygiene standards.

Q: How does nitriding steel improve hardness and wear resistance?: Nitriding steel improves hardness and wear resistance by introducing nitrogen into the surface of the steel, forming a hard nitride layer. This layer increases the surface hardness of the steel, making it more resistant to wear, friction, and scratching. Additionally, the nitride layer also provides improved resistance against corrosion and high-temperature oxidation.

Q: Can special steel be used in the medical field?: Yes, special steel can be used in the medical field. Special steel alloys, such as stainless steel, are widely used in medical and surgical instruments, implants, and equipment. Stainless steel is chosen for its excellent corrosion resistance, strength, and durability. It is often used for surgical instruments like scalpels, forceps, and needles, as well as for orthopedic implants like bone screws and plates. Additionally, special steel alloys are used in the construction of medical equipment like MRI machines and X-ray tables, where high strength and magnetic properties are required. Overall, special steel is an essential material in the medical field due to its unique properties and ability to meet the stringent requirements for hygiene, safety, and reliability.

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