Special Steel A36/A992 Round Solid Steel Bar

Special Steel A36/A992 Round Solid Steel Bar System 1

Special Steel A36/A992 Round Solid Steel Bar

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Alloy steel International Table:

Mark	China	USA	UK	Japan	France	Germany
structural alloy steel	GB	ASTM	BS	JIS	NF	DIN
	20Mn2	13201321	150M19	SMn420		20Mn5
	30Mn2	1330	150M28	SMn433H	32M5	30Mn5
	35Mn2	1335	150M36	SMn438(H)	35M5	36Mn5
	40Mn2	1340		SMn443	40M5
	45Mn2	1345		SMn443		46Mn7
	50Mn2				~55M5
	20MnV					20MnV6
	35SiMn		En46			37MnSi5
	42SiMn		En46			46MnSi4
	40B	TS14B35
	45B	50B46H
	40MnB	50B40
	45MnB	50B44
	15Cr	5115	523M15	SCr415(H)	12C3	15Cr3
	20Cr	5120	527A19	SCr420H	18C3	20Cr4
	30Cr	5130	530A30	SCr430		28Cr4
	35Cr	5132	530A36	SCr430(H)	32C4	34Cr4
	40Cr	5140	520M40	SCr440	42C4	41Cr4
	45Cr	51455147	534A99	SCr445	45C4
	38CrSi

	12CrMo		620Cr.B		12CD4	13CrMo44
	15CrMo	A-387Cr . B	1653	STC42	12CD4	16CrMo44
				STT42
				STB42
	20CrMo	41194118	CDS12	SCT42	18CD4	20CrMo44
			CDS110	STT42
				STB42
	25CrMo	4125	En20A		25CD4	25CrMo4
	30CrMo	4130	1717COS110	SCM420	30CD4
	42CrMo	4140	708A42		42CD4	42CrMo4
			708M40
	35CrMo	4135	708A37	SCM3	35CD4	34CrMo4
	12CrMoV
	12Cr1MoV					13CrMoV42
	25Cr2Mo1VA
	20CrV	6120				22CrV4
	40CrV	6140				42CrV6
	50CrVA	6150	735A30	SUP10	50CV4	50CrV4
	15CrMn
	20CrMn	5152	527A60	SUP9
	30CrMnSiA
	40CrNi	3140H	640M40	SNC236		40NiCr6
	20CrNi3A	3316			20NC11	20NiCr14
	30CrNi3A	3325	653M31	SNC631H		28NiCr10
		3330		SNC631
	20MnMoB	80B20
	38CrMoAlA		905M39	SACM645	40CAD6.12	41CrAlMo07
	40CrNiMoA	4340	871M40	SNCM439		40NiCrMo22

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Special Steel A36/A992 Round Solid Steel Bar

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q: What are the main characteristics of heat-resistant steel forgings?: Heat-resistant steel forgings have several main characteristics that make them suitable for high-temperature applications. Firstly, they have excellent resistance to oxidation and corrosion, which allows them to maintain their mechanical properties even at elevated temperatures. This resistance is achieved through the addition of alloying elements such as chromium, nickel, and molybdenum, which form a protective oxide layer on the surface of the steel. Secondly, heat-resistant steel forgings exhibit high strength and toughness at high temperatures. This is crucial in applications where the material is subjected to mechanical stress and thermal cycling, such as in gas turbines, power plants, and aerospace engines. The combination of high strength and toughness ensures that the forgings can withstand the harsh operating conditions without deformation or failure. Another important characteristic of heat-resistant steel forgings is their ability to retain their hardness and dimensional stability even after prolonged exposure to high temperatures. This is achieved through a combination of careful alloying and heat treatment processes, which optimize the microstructure of the steel. The resulting material has a fine grain structure and a high degree of uniformity, which enhances its resistance to thermal fatigue and creep. Furthermore, heat-resistant steel forgings have good thermal conductivity, which allows for efficient heat transfer and dissipation. This is particularly important in applications where heat is generated and needs to be managed effectively to prevent overheating and damage to surrounding components. Lastly, heat-resistant steel forgings can be easily machined and fabricated into complex shapes, making them versatile and suitable for a wide range of applications. They can be forged, machined, and welded without any significant loss in their mechanical properties, making them ideal for manufacturing components with intricate designs and high precision requirements. In conclusion, the main characteristics of heat-resistant steel forgings include excellent resistance to oxidation and corrosion, high strength and toughness at high temperatures, dimensional stability and hardness retention, good thermal conductivity, and ease of machining and fabrication. These characteristics make heat-resistant steel forgings essential in industries that require reliable and durable materials in extreme heat conditions.

Q: What are the properties of corrosion-resistant tool steel?: Corrosion-resistant tool steel possesses a combination of properties that make it resistant to corrosion. These properties include high levels of chromium, which forms a protective oxide layer on the surface of the steel, preventing the penetration of corrosive substances. Additionally, corrosion-resistant tool steel often contains other alloying elements such as molybdenum, vanadium, and tungsten, which further enhance its resistance to corrosion. This type of steel also exhibits high hardness, strength, and wear resistance, making it suitable for use in various tools and applications where corrosion resistance is crucial.

Q: What are the requirements for special steel used in cryogenic applications?: Special steel used in cryogenic applications must meet several requirements to ensure its performance and reliability in extreme low-temperature environments. Firstly, the steel should have excellent low-temperature toughness to withstand the extreme cold. This means that it should be able to resist brittle fracture and maintain its mechanical properties even at cryogenic temperatures. The steel should have a high toughness and ductility to absorb impact and prevent cracking. Secondly, the steel must have a low coefficient of thermal expansion. This is important because cryogenic applications involve significant temperature changes, and a high coefficient of thermal expansion can lead to dimensional instability and stress within the material. A low coefficient of thermal expansion helps to minimize these effects and maintain dimensional stability. Thirdly, the steel should have a low thermal conductivity. Cryogenic applications often involve the transfer or storage of extremely cold substances, and a low thermal conductivity helps to prevent heat transfer and maintain the desired temperature. This is particularly important for applications where temperature control is critical, such as in the storage of liquefied gases. Additionally, the steel should have good corrosion resistance. Cryogenic environments can be highly corrosive, and the steel needs to be able to withstand the effects of any corrosive substances that may be present. This is particularly important for applications involving the storage or transportation of cryogenic liquids or gases. Finally, the steel should have good weldability. In many cryogenic applications, welding is required to join different components or sections of the steel. Therefore, the steel must have good weldability to ensure strong and reliable joints. In summary, the requirements for special steel used in cryogenic applications include excellent low-temperature toughness, low coefficient of thermal expansion, low thermal conductivity, good corrosion resistance, and good weldability. Meeting these requirements ensures that the steel can withstand the extreme cold and harsh conditions of cryogenic environments while maintaining its structural integrity and performance.

Q: How does special steel contribute to the thermal conductivity of products?: Special steel can significantly contribute to the thermal conductivity of products due to its unique composition and properties. Special steel is manufactured with specific alloying elements, such as chromium, nickel, molybdenum, or vanadium, which enhance its thermal conductivity. These alloys help in the efficient transfer of heat by increasing the free electron density within the steel. The presence of alloying elements in special steel improves its lattice structure, allowing for better heat transfer. The increased free electron density enables quick and efficient movement of thermal energy through the material. As a result, special steel can effectively conduct heat from one area to another, making it ideal for applications requiring high thermal conductivity. Furthermore, special steel is often processed using advanced techniques like heat treatment, forging, or rolling, which further optimize its properties. These processes refine the microstructure of the steel, reducing impurities and improving its thermal conductivity. The resulting steel product exhibits enhanced heat transfer capabilities and provides efficient thermal management. The high thermal conductivity of special steel makes it highly desirable for various industries and applications. It is commonly used in the manufacturing of heat exchangers, boilers, furnaces, and other thermal equipment where efficient heat transfer is crucial. Additionally, special steel is often employed in electrical appliances, such as stovetops or induction cookers, where rapid and uniform heat distribution is necessary. In summary, special steel contributes to the thermal conductivity of products by utilizing specific alloying elements and advanced processing techniques to enhance its heat transfer capabilities. Its high thermal conductivity makes it a valuable material for various industries, ensuring efficient heat management and optimal performance of thermal equipment and appliances.

Q: How does special steel withstand high temperatures?: Special steel is able to withstand high temperatures due to its unique composition and manufacturing process. It is typically alloyed with elements such as chromium, nickel, and molybdenum, which enhance its heat resistance properties. These alloying elements form stable oxides on the surface of the steel, creating a protective layer that prevents oxidation and corrosion at high temperatures. Additionally, special steel undergoes heat treatment processes like quenching and tempering, which further enhance its strength and ability to retain its structural integrity under extreme heat conditions.

Q: What are the different methods of surface electropolishing for special steel?: There are several methods of surface electropolishing for special steel, including the use of acid-based or alkaline-based electrolytes, pulse current electropolishing, and reverse current electropolishing. The choice of method depends on factors such as the type of special steel being treated and the desired surface finish.

Q: Is special steel suitable for medical equipment manufacturing?: Indeed, medical equipment manufacturing is well-suited for special steel. Often referred to as stainless steel, special steel is widely utilized in the creation of medical equipment due to its distinct characteristics. Its exceptional resistance to corrosion is of utmost importance in maintaining the hygiene and cleanliness standards mandated in medical settings. Moreover, special steel boasts remarkable strength and durability, guaranteeing that the equipment can endure frequent use and sterilization processes without compromising its quality. Furthermore, special steel can be effortlessly molded and shaped into intricate designs, making it an ideal choice for fabricating complex medical instruments and devices. In summary, the utilization of special steel in medical equipment manufacturing ensures the production of dependable and enduring products that meet the rigorous requirements of the healthcare industry.

Q: How does special steel contribute to the mining machinery industry?: Special steel plays a crucial role in the mining machinery industry by offering exceptional strength, durability, and resistance to wear and corrosion. This type of steel is specifically engineered to withstand the harsh and demanding conditions that are typically encountered in mining operations. In the mining machinery industry, equipment such as drills, excavators, loaders, crushers, and conveyor systems are subjected to extreme stress, heavy loads, and abrasive materials. Special steel components can be found in various parts of these machines, including buckets, tracks, cutting edges, gears, and hydraulic components. The high strength and toughness of special steel ensure that mining machinery can withstand the immense forces and impacts involved in excavation, hauling, and processing of minerals. This durability helps to extend the lifespan of the equipment, reducing the need for frequent replacements and minimizing downtime, which ultimately leads to cost savings for mining companies. Moreover, special steel's resistance to wear and corrosion is vital in the mining industry. The presence of abrasive materials and corrosive substances in the mining environment can lead to rapid deterioration of machinery components. However, special steel alloys are designed to resist wear and corrosion, thereby enhancing the longevity and performance of mining machinery. Additionally, special steel enables mining machinery to operate efficiently and effectively. Its high strength-to-weight ratio allows for the construction of lightweight yet robust equipment, improving mobility and productivity in mining operations. The use of special steel also enables the design of complex components with intricate shapes, ensuring optimal functionality and performance. Overall, special steel is an indispensable material in the mining machinery industry. Its exceptional strength, durability, resistance to wear and corrosion, and ability to enhance efficiency make it a vital component in the design and construction of mining equipment. By incorporating special steel, mining machinery can withstand the harsh conditions and heavy-duty tasks involved in mining operations, ultimately contributing to increased productivity, reduced costs, and improved safety in the industry.

Q: How does special steel perform in construction applications?: Special steel performs exceptionally well in construction applications due to its superior strength, durability, and resistance to corrosion. It allows for the creation of structurally sound and long-lasting buildings, bridges, and other infrastructure. Additionally, its versatility and ability to be fabricated into various shapes and sizes make it highly suitable for a wide range of construction projects.

Q: What are the different methods for case hardening special steel?: Case hardening special steel can be achieved through various methods, each with its own set of advantages and applications. 1. Carburizing: By subjecting the steel to high temperatures within a carbon-rich environment, a durable and resistant outer layer is formed as carbon atoms diffuse into the surface. Gas carburizing, pack carburizing, or liquid carburizing are some techniques employed for this process. 2. Nitriding: Steels with high alloy content benefit from nitriding, wherein the steel is heated in an environment abundant in nitrogen. This leads to the formation of a tough and corrosion-resistant layer as nitrogen atoms penetrate the surface. 3. Induction hardening: Through induction heating, the surface of the steel is selectively heated, followed by a rapid quenching process. This results in a hardened layer suitable for localized hardening requirements, such as gears or shafts. 4. Flame hardening: Large parts or components that are challenging to treat with other methods can be effectively hardened through the application of a high-temperature flame to the steel surface, followed by rapid cooling. 5. Laser hardening: Achieving precision and localized hardening, laser hardening involves the use of a laser beam to heat and harden specific areas of the steel. This method allows for precise control over the depth and hardness of the hardened layer. The selection of a case hardening method depends on various factors, including the desired hardness, the size and shape of the part, and the specific requirements of the application. Each method possesses its own advantages and limitations.

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