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

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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 does special steel contribute to the energy storage sector?: The energy storage sector heavily relies on special steel, which plays an indispensable role by supplying critical components for various energy storage systems. One notable application of special steel lies in the production of batteries, which are crucial for storing energy in diverse forms. Special steel possesses exceptional qualities that make it an ideal choice for battery casings and frames. Its high strength, excellent corrosion resistance, and durability enable battery casings made from special steel to endure high pressures and shield internal components from external impacts. As a result, the entire energy storage system is ensured of safety and reliability. Moreover, special steel finds utility in the creation of electrodes, a vital part of batteries. Electrodes necessitate materials with efficient electrical conductivity and endurance for repeated charging and discharging cycles. Special steel, such as stainless steel, possesses excellent electrical conductivity and can withstand the demanding conditions within batteries, making it an excellent option for electrode production. Additionally, special steel is integrated into the construction of energy storage system infrastructure. Steel structures are utilized to support large-scale energy storage devices, including pumped hydro storage facilities and compressed air energy storage systems. These structures must possess strength, durability, and resistance to environmental conditions. Special steel provides the necessary properties to ensure the longevity and reliability of these energy storage infrastructure projects. In conclusion, special steel significantly contributes to the energy storage sector by supplying vital components for batteries, such as casings and electrodes. It also plays a crucial role in the construction of energy storage system infrastructure. With its exceptional qualities, special steel enhances the safety, efficiency, and durability of energy storage technologies, thereby facilitating the growth and advancement of the renewable energy sector as a whole.

Q: How does special steel contribute to the power generation industry?: Special steel plays a crucial role in the power generation industry by providing the necessary strength, durability, and resistance to extreme conditions. It is used in the manufacturing of various components such as turbine blades, boilers, and heat exchangers, which are essential for generating electricity. Additionally, special steel alloys offer excellent corrosion resistance, ensuring the longevity and reliability of power plants.

Q: Are there any international standards for special steel?: Special steel is subject to international standards, which are established by the International Organization for Standardization (ISO). ISO develops and publishes a variety of standards that encompass different aspects of special steel, including its composition, properties, testing methods, and quality requirements. These standards ensure that special steel manufactured by various companies and countries adheres to the same minimum quality and performance criteria. Apart from ISO, other organizations and standards bodies, such as the American Society for Testing and Materials (ASTM) and the European Committee for Iron and Steel Standardization (ECISS), also have their own specific standards for special steel. These international standards establish a unified framework for the production, trade, and utilization of special steel across diverse industries and countries, promoting consistency, reliability, and quality assurance.

Q: Can special steel be used for making springs?: Yes, special steel can be used for making springs. Special steel, also known as alloy steel, offers enhanced mechanical properties such as high tensile strength, toughness, and corrosion resistance. These characteristics make it an ideal material for manufacturing springs that require durability and reliability in various applications. The specific type of special steel used for springs depends on the requirements of the application, such as the desired level of flexibility or resistance to fatigue. Overall, special steel provides excellent performance and longevity in spring manufacturing.

Q: How does special steel contribute to the manufacturing of fasteners?: Special steel contributes to the manufacturing of fasteners by providing higher strength, durability, and corrosion resistance compared to regular steel. This allows fasteners to withstand heavy loads, vibrations, and harsh environmental conditions, ensuring their longevity and reliability in various applications. Additionally, special steel can be tailored to specific requirements, enabling the production of fasteners with precise dimensions, shapes, and surface finishes, thereby enhancing their performance and compatibility with different components and structures.

Q: How does special steel perform in terms of wear resistance?: Special steel is known for its exceptional wear resistance. Due to its unique composition and heat treatment, it exhibits a higher level of hardness and toughness compared to regular steel. This enables it to withstand abrasion, impact, and other forms of wear, making it highly suitable for applications where durability and longevity are crucial, such as in industrial machinery, cutting tools, and automotive components.

Q: What are the different quenching techniques used for special steel?: Some of the different quenching techniques used for special steel include oil quenching, water quenching, and polymer quenching. Oil quenching involves immersing the steel in oil to cool it down rapidly, while water quenching uses water to achieve a similar effect. Polymer quenching, on the other hand, involves using a specially formulated polymer solution to cool the steel. Each technique has its own advantages and disadvantages, and the choice of quenching technique depends on the specific requirements of the steel being treated.

Q: What are the limitations of special steel?: Some limitations of special steel include its high cost and limited availability, as well as the difficulty in shaping and processing it. Additionally, special steel may have lower tensile strength compared to other materials and can be prone to corrosion if not properly maintained.

Q: What are the challenges in heat treatment of special steel?: Some challenges in the heat treatment of special steel include achieving the desired hardness and strength without compromising other properties, such as toughness and corrosion resistance. Special steels often have complex compositions, which can make it difficult to accurately control the heat treatment process. Additionally, heat treatment of special steel can be time-consuming and costly due to the need for precise temperature and time control, as well as the potential for distortion or cracking during the heat treatment process.

Q: How does special steel contribute to the medical field?: Special steel plays a crucial role in the medical field by providing the necessary strength, durability, and corrosion resistance required for various medical instruments and implants. It enables the manufacturing of surgical tools, such as scalpels, forceps, and bone drills, that can maintain their sharpness and withstand repeated sterilization. Moreover, special steel alloys, like stainless steel, are used in the production of implants, prosthetics, and orthopedic devices due to their biocompatibility, strength, and resistance to body fluids. Overall, special steel ensures the reliability and effectiveness of medical equipment, enhancing patient care and surgical outcomes.

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