Q345B Straight and Smooth Flat Steel Bar

Q345B Straight and Smooth Flat Steel Bar System 1

Q345B Straight and Smooth Flat Steel Bar System 2

Q345B Straight and Smooth Flat Steel Bar System 3

Q345B Straight and Smooth Flat Steel Bar System 4

Q345B Straight and Smooth Flat Steel Bar

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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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Q345B Straight and Smooth Flat Steel Bar

Detailed Information of Q345B Straight and Smooth Flat Steel Bar

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 Q345B Straight and Smooth Flat 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 Q345B Straight and Smooth Flat Steel 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.

Q345B Straight and Smooth Flat Steel Bar

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 Q345B Straight and Smooth Flat Steel Bar

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

Products Show

Q345B Straight and Smooth Flat Steel Bar

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: How are tool steels used in the manufacturing of cutting tools?: Tool steels are used in the manufacturing of cutting tools due to their excellent hardness, toughness, and wear resistance. These steels are specifically designed to withstand high temperatures, pressures, and repeated impacts during cutting operations. They are used to make various cutting tools like drills, milling cutters, saws, and blades. The high hardness of tool steels allows them to retain their sharpness for longer periods, ensuring efficient cutting performance. Additionally, their toughness helps withstand the mechanical stresses encountered during cutting, while their wear resistance enables them to maintain their cutting edges even after prolonged use. Overall, tool steels are crucial in the manufacturing of cutting tools, enabling precise and efficient material removal processes in various industries.

Q: What are the different forging methods used for special steel?: There are several forging methods commonly used for special steel, including closed die forging, open die forging, and ring rolling. Closed die forging involves shaping the steel between two dies, resulting in precise and intricate shapes. Open die forging involves deforming the steel without any restriction from dies, making it suitable for larger and simpler components. Ring rolling is specifically used for producing seamless rings by rolling a heated metal between two dies. These forging methods help in enhancing the strength, durability, and quality of special steel products.

Q: Can special steel be used for medical applications?: Yes, special steel can be used for medical applications. It is often used for surgical instruments, implants, and medical devices due to its high strength, corrosion resistance, and biocompatibility properties. Special steel alloys are carefully designed to meet the stringent requirements of the medical industry, ensuring safety, durability, and effectiveness in various medical procedures.

Q: What are the specific requirements for special steel used in the marine shafting industry?: The marine shafting industry has specific requirements for special steel, which are as follows: 1. Corrosion Resistance: The steel used in marine shafting must possess a high resistance to corrosion, as it is exposed to harsh marine conditions. It should be able to withstand saltwater, humidity, and other corrosive elements without deteriorating. 2. Strength and Toughness: Marine shafting steel should have high strength and toughness to withstand the heavy loads and vibrations experienced in marine operations. It should be able to handle continuous stress and dynamic loads without failing or deforming. 3. Fatigue Resistance: The steel used in marine shafting should have excellent fatigue resistance to endure the cyclical loading during operation. It should be able to withstand millions of load cycles without developing cracks or fractures. 4. Dimensional Stability: Special steel used in marine shafting must maintain dimensional stability to ensure accurate alignment and fit within the machinery. It should have minimal dimensional changes under varying temperature and humidity conditions to preserve the integrity of the shaft system. 5. Machinability: The steel used in marine shafting must be easily machinable to create intricate shapes, such as propeller shafts and couplings. This allows for efficient manufacturing and maintenance of the shafting components. 6. Non-Magnetic Properties: Special steel used in marine shafting should have low magnetic permeability to avoid interfering with sensitive navigation and communication equipment. Non-magnetic properties minimize the risk of compass errors and electromagnetic interference. 7. Certification and Compliance: The steel used in marine shafting should meet specific industry standards and certifications, such as those established by classification societies like the American Bureau of Shipping (ABS) or the International Association of Classification Societies (IACS). These certifications ensure the steel's quality, performance, and compliance with safety regulations. By meeting these specific requirements, the special steel used in marine shafting guarantees reliable performance, durability, and safety in marine applications.

Q: How is stainless steel used in the production of kitchen utensils?: Stainless steel is used extensively in the production of kitchen utensils due to its durability, corrosion resistance, and easy maintenance. It is commonly used in the manufacturing of knives, pots, pans, spoons, and other utensils. The stainless steel composition ensures that these utensils can withstand high temperatures, resist staining or rusting, and maintain their sleek appearance even after prolonged use.

Q: How is die steel used in metal stamping processes?: Die steel is used in metal stamping processes as it is a strong and durable material that can withstand the high pressures and forces involved in shaping and forming metal. It is used to create dies, which are specialized tools that are used to shape and cut metal into specific designs or forms. The die steel acts as a mold or template, allowing the metal to be stamped, bent, or cut into the desired shape with precision and accuracy.

Q: How does special steel contribute to the manufacturing of cutting blades?: Special steel plays a crucial role in the manufacturing of cutting blades. Cutting blades are required to have exceptional strength, durability, and sharpness to efficiently perform their function. Special steel, also known as tool steel, possesses unique properties that make it an ideal material for manufacturing cutting blades. Firstly, special steel has excellent hardness, which enables cutting blades to maintain their sharpness for an extended period. Cutting blades made from special steel can withstand the wear and tear that occurs during cutting operations. This hardness allows the blades to retain their cutting edge, resulting in a longer lifespan and improved cutting performance. Moreover, special steel offers exceptional toughness, which is crucial for cutting blades. During cutting operations, blades are subjected to high impact and stress. Special steel's toughness helps absorb these forces and prevents the blades from breaking or chipping. This ensures that the cutting blades can withstand demanding cutting tasks without compromising their performance. Additionally, special steel provides excellent corrosion resistance. Cutting blades often come into contact with various materials, including moisture and chemicals. The corrosion resistance of special steel prevents the blades from rusting or corroding, ensuring their longevity and reducing the need for frequent replacements. Furthermore, special steel offers good machinability, making it easier to shape and form into the desired blade design. This enhances the manufacturing process by enabling the production of cutting blades with complex shapes and intricate features. The machinability of special steel allows manufacturers to create blades with precise cutting edges and optimal geometries, resulting in superior cutting performance. In conclusion, special steel contributes significantly to the manufacturing of cutting blades by providing hardness, toughness, corrosion resistance, and good machinability. These properties ensure that cutting blades made from special steel are long-lasting, durable, and capable of delivering exceptional cutting performance in various applications.

Q: What are the recycling options for special steel?: Recycling options for special steel typically involve two main processes: reusing and remelting. Special steel, such as stainless steel or alloy steel, can be reused in various industries and applications after undergoing refurbishment and quality checks. If the steel is no longer suitable for reuse, it can be remelted in steel furnaces to produce new steel products while conserving valuable resources and reducing environmental impact.

Q: How does special steel contribute to improved product performance?: Special steel contributes to improved product performance in several ways. Firstly, special steel is known for its exceptional strength and durability. This allows products made from special steel to withstand heavy loads, high temperatures, and harsh environments without deforming or breaking. This enhanced strength and durability result in a longer product lifespan and reduced maintenance requirements. Additionally, special steel possesses excellent corrosion resistance properties. It is less susceptible to rust and other forms of corrosion, making it ideal for products that are exposed to moisture or chemicals. This corrosion resistance ensures that the product remains in optimal condition, even in corrosive environments, and reduces the need for frequent replacements. Special steel also offers superior heat resistance. It can withstand extreme temperatures without losing its mechanical properties, such as strength and hardness. This makes it suitable for products that operate in high-temperature conditions, such as engines, turbines, and exhaust systems. The ability of special steel to retain its properties at elevated temperatures significantly improves product performance and reliability. Furthermore, special steel can be tailored to meet specific requirements through different alloying elements and heat treatment processes. This customization allows manufacturers to fine-tune the material properties to suit the intended application, leading to improved product performance. For example, by adjusting the alloying elements, special steel can exhibit improved wear resistance, impact resistance, or hardness, depending on the desired application. In summary, special steel contributes to improved product performance by providing exceptional strength, durability, corrosion resistance, heat resistance, and customization options. These properties enhance the product's lifespan, reliability, and performance under challenging conditions, ultimately benefiting the end-users.

Q: What are the requirements for special steel used in textile machinery?: The requirements for special steel used in textile machinery include high strength and durability, excellent corrosion resistance, good wear resistance, and the ability to withstand high temperatures and pressures. Additionally, the steel should have good machinability and be able to maintain dimensional stability under various operating conditions.

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