Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar

Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar System 1

Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar System 2

Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar System 3

Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar System 4

Grade Q235B Round Bars-Carbon Round Bar -Alloy 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 Q235B Round Bars-Carbon Round Bar -Alloy Round Bar

Details Information of Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar

Name	SAE1045 Carbon 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 Q235B Round Bars-Carbon Round Bar -Alloy 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 Q235B Round Bars-Carbon Round Bar -Alloy 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 Q235B Round Bars-Carbon Round Bar -Alloy Round Bar

Certificates of Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar

Grade Q235B Round Bars-Carbon Round Bar -Alloy Round Bar

Packaging & Delivery of Grade Q235B Round Bars-Carbon Round Bar -Alloy 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 Q235B Round Bars-Carbon Round Bar -Alloy Round Bar

Grade Q235B Round Bars-Carbon Round Bar -Alloy 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 main factors affecting the wear resistance of special steel?: There are several main factors that affect the wear resistance of special steel. Firstly, the composition of the steel plays a crucial role. The addition of certain alloying elements, such as chromium, vanadium, and tungsten, can significantly enhance the wear resistance of the steel. These elements form hard carbides or nitrides within the steel matrix, which increase its hardness and resistance to wear. Secondly, the heat treatment process used on the steel greatly influences its wear resistance. Through processes like quenching and tempering, the steel can be hardened to achieve a desired level of wear resistance. The heat treatment also helps in refining the microstructure of the steel, making it more resistant to wear and deformation. Thirdly, the microstructure of the steel is another important factor. The presence of fine grains and a homogeneous distribution of carbides or other reinforcing phases within the steel matrix greatly enhances its wear resistance. Additionally, the presence of retained austenite, a metastable phase, can also contribute to improved wear resistance. Furthermore, the hardness of the steel is a key determinant of its wear resistance. A higher hardness level generally translates to better wear resistance, as it provides resistance against the abrasive forces acting on the steel surface. Lastly, the design and surface finish of components made from special steel also affect their wear resistance. The shape, size, and surface roughness of the components can influence the distribution and magnitude of the contact stresses on the steel, thereby affecting its wear resistance. In conclusion, the wear resistance of special steel is influenced by factors such as its composition, heat treatment, microstructure, hardness, and the design and surface finish of the components. By carefully considering these factors, engineers can optimize the wear resistance of special steel for various applications.

Q: Can special steel be used in the nuclear power industry?: Yes, special steel can be used in the nuclear power industry. Special steel, such as stainless steel or alloy steel, is often used for various components in nuclear power plants due to its high strength, corrosion resistance, and ability to withstand high temperatures and radiation. These steels are utilized in reactor vessels, steam generators, piping systems, and other critical structures to ensure the safety and reliability of nuclear power plants.

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: Can special steel be used in the defense equipment manufacturing industry?: Yes, special steel can be used in the defense equipment manufacturing industry. Special steel, with its enhanced properties such as high strength, durability, and resistance to wear and corrosion, is often required for the manufacturing of critical components in defense equipment. It is commonly used in the production of military vehicles, aircraft, missiles, and various weapon systems. The unique characteristics of special steel make it suitable for withstanding extreme conditions and providing optimal performance in defense applications.

Q: How is special steel used in the packaging supply chain?: Special steel is commonly used in the packaging supply chain for manufacturing various types of packaging machinery and equipment. It is utilized to create robust and durable components such as blades, cutters, molds, and dies that are essential for shaping, cutting, and forming packaging materials. The strength, hardness, and wear resistance properties of special steel make it ideal for withstanding the high pressures and repetitive movements involved in the packaging process. Additionally, special steel is also used in the construction of storage racks and shelves, ensuring the safe and secure storage of packaged goods throughout the supply chain.

Q: What are the different manufacturing processes used for special steel?: There are several manufacturing processes used for special steel, including casting, forging, rolling, and heat treatment. Casting involves melting and pouring steel into molds to create complex shapes. Forging involves shaping steel by applying pressure and heat to deform it into desired forms. Rolling is a process where steel is passed through a series of rollers to reduce its thickness and shape it into sheets or bars. Lastly, heat treatment is used to alter the properties of steel by subjecting it to controlled heating and cooling processes.

Q: What are the different casting techniques used for special steel?: Some of the different casting techniques used for special steel include investment casting, sand casting, continuous casting, and centrifugal casting. Each technique has its own advantages and is chosen based on factors such as the complexity of the steel part, the desired quality, and cost considerations.

Q: How does special steel contribute to the infrastructure development?: Special steel contributes to infrastructure development in several ways. Firstly, special steel possesses high strength and durability properties, making it an ideal material for constructing bridges, buildings, and various infrastructure projects. Its strength allows for the creation of lighter and more efficient structures, reducing construction costs and increasing project lifespan. Additionally, special steel is corrosion-resistant, ensuring the longevity and reliability of infrastructure in harsh environments. Moreover, special steel is used in the production of construction equipment and machinery, enabling efficient and effective construction processes. Overall, special steel plays a crucial role in enhancing the safety, resilience, and sustainability of infrastructure development.

Q: How is tool steel used in the manufacturing of molds and dies?: Tool steel is used in the manufacturing of molds and dies due to its exceptional hardness, wear resistance, and toughness. It allows for the creation of precise and durable molds and dies that can withstand the high pressures and temperatures involved in various manufacturing processes. Tool steel also provides excellent dimensional stability, ensuring the accuracy and consistency of the final products.

Q: What are the properties of corrosion-resistant stainless tool steel?: Corrosion-resistant stainless tool steel possesses a number of key properties. Firstly, it exhibits excellent resistance to corrosion, making it highly durable and suitable for use in corrosive environments. It also has high strength and hardness, ensuring its effectiveness as a tool material. Additionally, this type of steel offers good wear resistance, enabling it to withstand repeated use without significant deterioration. Moreover, it retains its sharpness and cutting edge for extended periods, making it an ideal choice for various cutting and machining applications. Overall, the properties of corrosion-resistant stainless tool steel make it a reliable and long-lasting option for demanding industrial and manufacturing settings.

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