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

Are you a trading company or manufacturer?	Manufacturer
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Do you Accept OEM service?	Yes
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Q: What are the different coating materials used for special steel?: There are several different coating materials used for special steel, including zinc, aluminum, nickel, tin, and epoxy-based coatings. These coatings are applied to enhance the corrosion resistance, improve durability, and provide a decorative finish to the special steel.

Q: How does special steel perform in high-stress environments?: Special steel is specifically designed to perform exceptionally well in high-stress environments. Its unique composition and manufacturing process make it highly resistant to various forms of stress, such as mechanical, thermal, and chemical stress. One of the key properties of special steel is its high tensile strength, which allows it to withstand immense pressure without deformation or failure. This strength is achieved through the addition of alloying elements, such as chromium, nickel, and molybdenum, which enhance its structural integrity and toughness. The presence of these elements also increases the steel's resistance to corrosion and oxidation, making it more durable and reliable in harsh environments. Moreover, special steel exhibits excellent fatigue resistance, enabling it to withstand repetitive and cyclic loading without developing cracks or fractures. This property is crucial in high-stress environments where components are subjected to constant vibrations or cyclic loading, such as in aerospace, automotive, and industrial applications. In addition to its mechanical properties, special steel is also highly resistant to extreme temperatures. It can maintain its strength and integrity even at elevated temperatures, making it suitable for applications in high-temperature environments such as power plants, furnaces, and chemical processing industries. Furthermore, special steel has excellent wear resistance, which enables it to withstand abrasive conditions, such as those encountered in mining, construction, or manufacturing processes. This reduces the need for frequent maintenance or replacement, resulting in cost savings and increased productivity. Overall, special steel's exceptional performance in high-stress environments can be attributed to its unique combination of strength, durability, corrosion resistance, fatigue resistance, temperature resistance, and wear resistance. Its ability to withstand extreme conditions makes it an ideal choice for critical applications where reliability and safety are paramount.

Q: Can special steel be used for cutting tools?: Yes, special steel can be used for cutting tools. Special steels, such as high-speed steel or tool steel, are specifically designed to have superior hardness, toughness, and wear resistance, making them ideal for manufacturing cutting tools that can withstand high temperatures and perform precision cutting operations.

Q: What are the different methods of controlling the grain size in special steel?: To achieve desired mechanical properties and performance, there are multiple approaches available for controlling the grain size in special steel. The following are some of the techniques that can be employed: 1. Alloying: The grain size in steel can be controlled by carefully selecting and managing the composition of alloying elements. Elements like niobium, vanadium, and titanium have proven effective in refining the grain size. 2. Heat treatment: The grain size can be regulated through the process of heat treatment. Techniques such as annealing, normalizing, and quenching can be utilized to manipulate the grain size. For example, slow cooling during annealing encourages the growth of larger grains, while rapid cooling during quenching leads to smaller grain sizes. 3. Deformation processing: Mechanical deformation methods like rolling, forging, or extrusion can aid in refining the grain structure. These processes induce strain and facilitate the formation of smaller and more uniform grains. 4. Grain growth inhibitors: The addition of specific elements like aluminum or zirconium to the steel can act as inhibitors for grain growth. These elements create fine particles that impede the growth of grains during heat treatment, resulting in a smaller grain size. 5. Control of transformation temperature: Manipulating the transformation temperature during heat treatment allows for control over the grain size. Lowering the austenitizing temperature, for example, can yield a finer grain structure in the final product. 6. Rapid solidification: Employing techniques such as spray forming or rapid quenching can lead to an ultrafine-grained microstructure. The rapid cooling prevents grain growth, resulting in a fine and homogeneous grain structure. 7. Severe plastic deformation (SPD) techniques: Techniques like equal channel angular pressing (ECAP) or high-pressure torsion (HPT) impose significant strain on the material, leading to a refined grain structure. These methods are commonly used for producing ultrafine-grained or nanostructured steels. It is essential to consider the desired properties, alloy composition, and intended application of the final product when choosing a method for controlling the grain size in special steel.

Q: Can special steel be used in the renewable energy industry?: Yes, special steel can be used in the renewable energy industry. Special steel offers high strength, corrosion resistance, and durability, making it suitable for various applications in renewable energy, such as wind turbines, solar panels, and hydroelectric power systems. It can withstand harsh environmental conditions and provide structural stability, contributing to the efficiency and longevity of renewable energy equipment.

Q: How is electrical steel used in the production of transformers and motors?: Electrical steel is commonly used in the production of transformers and motors due to its unique magnetic properties. It is used to construct the cores of transformers and the stators and rotors of motors. The high magnetic permeability and low electrical resistance of electrical steel help in efficiently transferring and converting electrical energy. Additionally, its low core losses and hysteresis make it ideal for reducing energy wastage and enhancing the overall performance of these electrical devices.

Q: What are the main characteristics of structural steel forgings?: The main characteristics of structural steel forgings include high strength, excellent toughness, and superior fatigue resistance. They are also known for their ability to withstand extreme temperatures and harsh environments. Moreover, structural steel forgings exhibit good weldability and machinability, making them suitable for various engineering applications.

Q: What are the different methods for improving the corrosion resistance of special steel?: There are various methods for improving the corrosion resistance of special steel. One common approach is the addition of alloying elements such as chromium, nickel, and molybdenum, which form a protective oxide layer on the steel's surface. Surface treatments like galvanizing, electroplating, or applying protective coatings can also enhance corrosion resistance. Additionally, heat treatment processes like annealing, quenching, and tempering can modify the microstructure of the steel, making it more resistant to corrosion. Regular maintenance, including proper cleaning and lubrication, is also important in preventing corrosion and preserving the steel's integrity.

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: What are the applications of special steel in the agriculture sector?: Special steel has various applications in the agriculture sector. It is often used in the manufacturing of agricultural machinery and equipment such as tractors, plows, harvesters, and irrigation systems. The high strength and durability of special steel make it ideal for withstanding the demanding conditions and heavy loads typically encountered in agricultural operations. Additionally, certain types of special steel, such as stainless steel, are corrosion-resistant, which is crucial for equipment exposed to moisture and chemicals in the farming environment.

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