DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod

DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod System 1

DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod System 2

DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod System 3

DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod System 4

DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Specification

Type:

Carbon Steel

Shape:

Steel Wire Rod

DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod

Specification

Standards:	DIN 17223-1 Round Steel Wire For Springs
	DIN EN 10270-1 Steel Wire For Mechanical Springs
	GB 3206-82 Carbon Constructional Quality Steel Wire
	JIS G 3521-1991 Hard Drawn Steel Wire
	GB 4357-89 Carbon Spring Steel Wire
	YB/T 5220-93 Carbon Steel Wire For Non-Mechanical Springs
Steel Grade:	30MnSi, SWRH62A,SWRH62B, SAE1060, SAE1065, 65Mn, SAE1070, SAE1075,SWRH72A, SWRH72B, SWRH77A, SWRH77B, SAE1080,SWRH82A, SWRH82B,C82DA.
Wire Rod:	Shagang Steel Wire Rod
Wire Diameter:	0.20mm-12.50mm
MOQ:	25 TON
Coil weight:	20-1200KG
Delivery time :	Within 7 days after receiving your deposite or L/C at sight
Payment term:	T/T or L/C at sight
FCL weight:	20-27 tons (20’GP)
Package:	in coil, with carrier, hard paper Z2,Z3,ect...
Sample:	Available for further evaluation
Usages:	Mechanical Equipment, Engineering Vehicle, Motor Vehicle, Motorcycle, Accumulator Car, Bicycle, Fitness Equipment, Elevator, Steel Wire Screen, Mattress And Sofa, Umbrella Frame, Electronic Products, ect.
Spring Usages:	compression spring, torsion spring, extension spring, agricultural machines, die springs, strip & wire forming springs.

Chemical Composition

Grade	C %	Si %	Mn %	P %	S %
SAE1005	0.06 max	0.10-0.25	0.35 max	0.030 max	0.030 max
SAE1006	0.08 max	0.10-0.25	0.25-0.40	0.030 max	0.030 max
SAE1008	0.10 max	0.10-0.25	0.30-0.50	0.030 max	0.030 max
SAE1010	0.08-0.13	0.10-0.25	0.30-0.60	0.030 max	0.030 max
SAE 1015	0.12-0.19	0.17-0.37	0.35-0.65	0.035 max	0.030 max
SAE1016	0.13-0.18	0.10-0.25	0.30-0.60	0.030 max	0.030 max
15MN	0.13-0.18	0.10-0.25	0.60-0.90	0.030 max	0.030 max
SAE1020	0.18-0.23	0.10-0.25	0.30-0.60	0.030 max	0.030 max
20Mn	0.18-0.23	0.10-0.25	0.60-0.90	0.030 max	0.030 max
SAE 1025	0.22-0.30	0.17-0.37	0.50-0.80	0.035 max	0.035 max
Q 195	0.06-0.12	0.25-0.50	0.30 max	0.050 max	0.045 max
Q235	0.22 max	0.30 max	0.55 max	0.045 max	0.050 max
SAE 1030	0.28-0.34	0.10-0.25	0.30-0.60	0.030 max	0.030 max
30Mn	0.28-0.34	0.10-0.25	0.60-0.90	0.030 max	0.030 max
SWRH 32	0.29-0.36	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SAE 1035	0.32-0.40	0.17-0.37	0.50-0.80	0.035 max	0.035 max
SWRH 37	0.34-0.41	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH42A	0.39-0.46	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH42B	0.39-0.46	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SWRH47A	0.44-0.51	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SAE1040/ 40#	0.37-0.45	0.17-0.37	0.30-0.60	0.030 max	0.030 max
SAE1045/ 45#	0.40-0.50	0.10-0.25	0.30-0.60	0.030 max	0.030 max
SWRH47B	0.44-0.51	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SAE 1050	0.47-0.55	0.17-0.37	0.50-0.80	0.035 max	0.035 max
SWRH52A	0.49-0.56	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH52B	0.49-0.56	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SWRH57A	0.54-0.61	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH57B	0.54-0.61	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SAE 1055	0.52-0.60	0.17-0.37	0.50-0.80	0.035 max	0.035 max
SAE1060/ 60#	0.55-0.65	0.10-0.25	0.30-0.60	0.030 max	0.030 max
SWRH62A	0.59-0.66	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH62B	0.59-0.66	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SWRH67A	0.64-0.71	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH67B	0.64-0.71	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SAE1070/ 70#	0.65-0.75	0.10-0.25	0.30-0.60	0.030 max	0.030 max
SAE 1075	0.72-0.80	0.17-0.37	0.30-0.60	0.035 max	0.035 max
SWRH72A	0.69-0.76	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH72B	0.69-0.76	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SWRH77A	0.74-0.81	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH77B	0.74-0.81	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SAE1080/ 80#	0.75-0.88	0.10-0.25	0.60-0.90	0.030 max	0.030 max
SWRH82A	0.79-0.86	0.15-0.35	0.30-0.60	0.030 max	0.030 max
SWRH82B	0.79-0.86	0.15-0.35	0.60-0.90	0.030 max	0.030 max
SAE 1080	0.75-0.88	0.10-0.25	0.60-0.90	0.030 max	0.030 max
SAE 1085	0.82-0.90	0.17-0.37	0.50-0.80	0.035 max	0.035 max
1215/SUM23	0.05-0.16	0.15 max	0.70-1.20	0.05-0.10	0.10-0.35

Company Information

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.

After-sale service	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.
After-sale service	For any problem, please kindly contact us at any your convenient time, we’ll reply you in our first priority within 24 hours
Advantages	Industry experience over 20 years.
	Shipment of goods -More than 70 countries worldwide.
	The most convenient transport and prompt delivery.
	Competitive price with best service.
	High technical production line with top quality products.
	High reputation based on best quality products.

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DIN 17223 GRADE A B C D High Carbon Hot Rolled Spring Steel Wire Rod

FAQ

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Q: What are the applications of special steel in the manufacturing sector?: Special steel has a wide range of applications in the manufacturing sector, including the production of tools, machinery, automotive components, and construction materials. Its exceptional strength, durability, and resistance to corrosion make it ideal for manufacturing applications that require high performance and reliability. Furthermore, special steel can be tailored to specific requirements, enabling manufacturers to create customized products with enhanced properties, such as heat resistance or hardness. Overall, special steel plays a crucial role in various industries, contributing to the advancement and efficiency of the manufacturing sector.

Q: How does special steel contribute to reducing product lead times?: Special steel contributes to reducing product lead times by offering enhanced material properties and performance characteristics. It allows manufacturers to achieve higher machining speeds and feeds, resulting in faster production processes. Special steel also exhibits excellent dimensional stability, reducing the need for post-processing and time-consuming adjustments. Moreover, its exceptional strength and durability enable the design of lighter and more efficient components, which can expedite assembly and reduce overall manufacturing time. By utilizing special steel, companies can streamline their production operations, increase productivity, and ultimately shorten product lead times.

Q: How does special steel contribute to improving product reliability?: Special steel contributes to improving product reliability in several ways. Firstly, special steel is known for its exceptional strength and durability, making it less prone to wear and tear or structural failures. This enhanced strength ensures that products made with special steel can withstand heavy loads, extreme temperatures, and harsh working conditions, thereby increasing their reliability and lifespan. Additionally, special steel is often engineered to have superior resistance to corrosion, rust, and other forms of degradation, minimizing the risk of damage or malfunction due to environmental factors. Moreover, the precise composition and manufacturing processes used in special steel production enable tighter tolerances and improved dimensional accuracy, resulting in products that fit together more seamlessly and function with greater precision. Overall, the use of special steel in various industries helps to enhance product reliability, ensuring that customers can trust in the quality and performance of the end products they use.

Q: What are the different methods of preventing hydrogen-induced cracking in special steel?: There are several methods that can be employed to prevent hydrogen-induced cracking in special steel: 1. Preheating: By preheating the steel before welding or any other high-temperature process, the risk of hydrogen-induced cracking can be reduced. Preheating helps in reducing the cooling rate of the steel, allowing hydrogen to diffuse out before it can cause cracking. 2. Heat treatment: Applying specific heat treatment processes like stress relieving or post-weld heat treatment can help alleviate hydrogen-induced cracking. These processes help in reducing residual stresses and promoting hydrogen diffusion, minimizing the risk of cracking. 3. Material selection: Choosing steel alloys with a higher resistance to hydrogen-induced cracking can be an effective preventive measure. Certain steel compositions, such as low carbon or low alloy steels, are less susceptible to cracking in the presence of hydrogen. 4. Hydrogen control during welding: Implementing techniques to minimize the introduction of hydrogen during welding is crucial. This can be achieved through the use of low-hydrogen welding consumables, such as low-hydrogen electrodes, and ensuring proper shielding gas coverage to prevent atmospheric moisture from contaminating the weld. 5. Stress management: Controlling the welding or operational stresses on the steel is important to prevent cracking. This can be achieved by using proper welding techniques, such as avoiding excessive heat input or rapid cooling rates, as well as minimizing the introduction of tensile stresses during welding. 6. Coating or surface protection: Applying protective coatings or surface treatments to the steel can act as a barrier against hydrogen absorption. These coatings can provide an additional layer of protection, reducing the risk of hydrogen-induced cracking. 7. Welding process optimization: Optimizing the welding parameters, such as current, voltage, and travel speed, can help reduce the risk of hydrogen-induced cracking. By adjusting these parameters, the heat input and cooling rate can be controlled, minimizing the potential for hydrogen absorption and subsequent cracking. It is important to note that a combination of these preventive measures is often necessary to effectively mitigate the risk of hydrogen-induced cracking in special steel. Additionally, proper inspection and quality control procedures should be implemented to ensure the integrity of the steel and detect any cracks or defects.

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: What are the specific requirements for special steel used in the defense sector?: The specific requirements for special steel used in the defense sector vary depending on the specific applications and needs. However, some common requirements include high strength and toughness, corrosion resistance, heat resistance, and compatibility with various manufacturing processes. Additionally, special steel used in the defense sector may need to meet specific standards and certifications for quality control, such as MIL-SPEC or NATO specifications.

Q: What are the common applications of special steel?: Special steel has a wide range of applications in various industries. It is commonly used in the construction and automotive sectors for manufacturing components that require high strength, durability, and resistance to corrosion. Special steel is also utilized in the production of machinery and tools, such as cutting blades, drill bits, and gears, due to its excellent hardness and wear resistance. Additionally, it finds its application in the energy sector, particularly in the manufacturing of turbines, generators, and oil drilling equipment, where its high temperature and pressure resistance are vital.

Q: How does special steel contribute to the transportation industry?: Special steel plays a crucial role in the transportation industry by providing materials with enhanced strength, durability, and resistance to various environmental factors. This type of steel is used in the manufacturing of components and structures for vehicles, such as engines, axles, suspension systems, and body frames. Its high tensile strength allows for lighter and more fuel-efficient designs, while offering superior safety and performance. Additionally, special steel's corrosion resistance properties help prolong the lifespan of transportation equipment, reducing maintenance costs and enhancing overall reliability.

Q: Can special steel be used in the medical field?: Yes, the medical field utilizes special steel. Special steel alloys, including but not limited to stainless steel, find extensive application in medical and surgical instruments, implants, and equipment. Stainless steel is selected for its remarkable resistance to corrosion, exceptional strength, and enduring durability. It is commonly employed in surgical instruments like scalpels, forceps, and needles, as well as in orthopedic implants like bone screws and plates. Moreover, special steel alloys are employed in the fabrication of medical equipment such as MRI machines and X-ray tables, where high strength and magnetic properties are imperative. In summary, special steel plays a pivotal role in the medical field owing to its distinctive characteristics and capacity to meet stringent criteria for hygiene, safety, and dependability.

Q: What is the role of research and development in advancing special steel technology?: The role of research and development in advancing special steel technology is crucial. Through continuous research and development efforts, new and improved manufacturing processes, alloys, and applications for special steel can be discovered and developed. This leads to advancements in the properties and performance of special steel, making it more durable, resistant to wear and corrosion, and capable of meeting the evolving needs of industries such as automotive, aerospace, and energy. Additionally, research and development help in optimizing production techniques, reducing costs, and promoting sustainability in the special steel industry. Overall, research and development play a vital role in pushing the boundaries of special steel technology, enabling innovation and driving progress in various sectors.

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