Special Steel Reinforcing Steel Bars HRB400 Rebars

Special Steel Reinforcing Steel Bars HRB400 Rebars System 1

Special Steel Reinforcing Steel Bars HRB400 Rebars

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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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Product Information

1.Specification

Diameter(mm)	Φ6 ,Φ8,Φ10,Φ12,Φ13,Φ14,Φ16,Φ18,Φ20,Φ22,Φ25,Φ28,Φ32,Φ36,Φ40,Φ50
Length(m)	Unfolded / Straight Bundles weighing upto 2 Metric Tons and lengths is 6 Meters up to 15 Meters or according customers require
	U Shaped folded Bundles weighing up to 2 Metric Tons and lengths is 12 Meters
	Rounded Coils ~ up to 2 Metric Ton Coils for Bending / Cutting Machine use.
Standard	GB(HRB335/HRB400/HRB500);
	BS4449 -1997 GRADE 250B, 460B; BS4449-2005 GRADE 500B;
	ASTM A615 GRADE 40,GRADE60,GRADE75; ASTM A706;
	DIN488-1 420S/500S, BST500S
	JIS G3112 SD35, SD40, SD50,SD390
	NFA 35016 FE E 400, FE E 500
	CA 50/60
	GOST A3 R A500C
Surface finished	Screw-thread
	Epoxy coating
	Galvanized coating
Production facility	Imports of production equipment from Italy
Production capacity	50,000 MT/month
Payment term	T/T or 100% L/C at sight
Package	In bundles. One bundles about 2-3tons

2.Chemical composition

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.04-0.12
	Physics capability
	Yield Strength (N/cm2)		Tensile Strength (N/cm2)		Elongation (%)
	≥400		≥570		≥14

3.Theorectical weight

Diameter (MM)	Cross Sectional Area (MM2)	Theorectical Weight (KG/M)	Weight of 12M Bar (KG)	A Ton Contains 12M Bars (PCS)
6	28.27	0.222	2.664	375.38
8	50.27	0.395	4.74	210.97
10	78.54	0.617	7.404	135.06
12	113.1	0.888	10.656	93.84
14	153.9	1.21	14.52	68.87
16	201.1	1.58	18.96	52.74
18	254.5	2	24	41.67
20	314.2	2.47	29.64	33.74
22	380.1	2.98	35.76	27.96
25	490.9	3.85	46.2	21.65
28	615.8	4.83	57.96	17.25
32	804.2	6.31	75.72	13.21
36	1018	7.99	98.88	10.43
40	1257	9.87	118.44	8.44

Product Show

Special Steel Reinforcing Steel Bars HRB400 Rebars

Workshop Show

Special Steel Reinforcing Steel Bars HRB400 Rebars

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:How does the cost of special steel compare to regular steel?: The cost of special steel is generally higher than regular steel due to its unique properties, manufacturing processes, and limited availability.

Q:What are the different methods for quenching special steel?: There are several methods for quenching special steel, including oil quenching, water quenching, air quenching, and polymer quenching. These methods involve rapidly cooling the steel to achieve desirable hardness and strength properties. Oil quenching involves submerging the steel in oil, which provides a slower and more controlled cooling process. Water quenching, on the other hand, involves immersing the steel in water for a faster and more aggressive cooling rate. Air quenching refers to simply exposing the steel to air, allowing it to cool naturally. Lastly, polymer quenching involves using a specialized polymer solution as the quenching medium, which offers a combination of controlled cooling and reduced distortion. The choice of quenching method depends on the specific steel composition and desired properties.

Q:Can special steel be used in the mining industry?: Yes, special steel can be used in the mining industry. Special steel is known for its high strength, durability, and resistance to wear and corrosion, making it suitable for various applications in mining such as drilling equipment, crushers, conveyor systems, and extraction machinery. Additionally, special steel can withstand harsh operating conditions and extreme temperatures commonly encountered in mining operations, making it a reliable and efficient choice for this industry.

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:How does special steel contribute to reducing greenhouse gas emissions?: Special steel contributes to reducing greenhouse gas emissions in several ways. Firstly, it is used in the production of energy-efficient vehicles, such as electric cars, which have lower emissions compared to conventional vehicles. Additionally, special steel is employed in the construction of wind turbines, which generate clean and renewable energy, reducing the reliance on fossil fuels. Furthermore, special steel is utilized in the manufacturing of energy-efficient appliances and buildings, which consume less energy and subsequently emit fewer greenhouse gases. Overall, the use of special steel in various sectors promotes sustainable practices and helps mitigate the impact of greenhouse gas emissions on the environment.

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.

Q:What are the different surface treatment techniques for special steel?: There are several surface treatment techniques available for special steel, including electroplating, hot-dip galvanizing, powder coating, and passivation. Electroplating involves depositing a layer of metal onto the steel surface through an electrochemical process, providing enhanced corrosion resistance and aesthetic appeal. Hot-dip galvanizing immerses the steel in molten zinc, forming a protective zinc coating that prevents rusting. Powder coating involves applying a dry powder onto the steel surface, which is then heated and fused to create a durable and decorative finish. Passivation is a chemical process that removes surface contaminants and forms a protective oxide layer on the steel, improving its corrosion resistance.

Q:How does special steel contribute to the manufacturing of structural components?: Special steel contributes to the manufacturing of structural components by offering superior strength, durability, and resistance to corrosion. It provides structural integrity and stability in various applications such as buildings, bridges, and machinery, ensuring the safety and longevity of these structures. Additionally, the specific properties of special steel, such as its ability to withstand extreme temperatures or high pressure, make it an ideal material for critical structural components, thereby enhancing overall performance and reliability.

Q:What are the different classifications of special steel?: Various types of steel alloys fall under the category of special steel, each possessing unique properties and characteristics that make them suitable for specific applications. Special steel can be classified into several categories: 1. Stainless Steel: This special steel contains a high percentage of chromium, which provides excellent corrosion resistance. It also typically includes elements like nickel and molybdenum, enhancing its strength and durability. Stainless steel finds common use in applications requiring resistance to oxidation, heat, chemicals, and wear, such as in food processing, medical devices, and construction. 2. Tool Steel: Specifically designed for manufacturing tools, dies, and molds, tool steel is known for its exceptional hardness, wear resistance, and toughness. Tool steel is further categorized into subcategories like high-speed steel (HSS), cold work steel, hot work steel, and plastic mold steel, each tailored for specific tooling applications. 3. Alloy Steel: This type of special steel contains additional alloying elements besides carbon. These elements, like manganese, silicon, nickel, chromium, and molybdenum, are added to enhance specific properties such as strength, toughness, hardenability, and corrosion resistance. Alloy steels are used in various applications, including automotive components, machinery, construction, and aerospace. 4. Spring Steel: Specifically designed to withstand repeated bending or twisting without permanent deformation, spring steel possesses excellent elasticity and fatigue resistance. It finds applications in springs, suspension systems, and high-performance automotive parts. 5. Bearing Steel: Bearing steel is engineered to provide high hardness, wear resistance, and dimensional stability necessary for manufacturing bearings. It typically contains high levels of carbon, chromium, and other alloying elements, ensuring the required mechanical properties for reliable and long-lasting bearings. 6. Electrical Steel: Also known as silicon steel, electrical steel is specifically designed for electrical applications. It possesses low electrical resistivity and high magnetic permeability, allowing efficient conduction and transformation of electrical energy. Electrical steel is commonly used in transformers, electric motors, and generators. These classifications of special steel emphasize the versatility and tailored properties of different steel alloys, enabling their application in a wide range of industries and specialized uses.

Q:How is duplex stainless steel used in the oil and gas industry?: Duplex stainless steel is widely used in the oil and gas industry due to its exceptional corrosion resistance, high strength, and good weldability. It is commonly used in various applications including offshore platforms, subsea pipelines, oil and gas refineries, and chemical processing plants. The duplex stainless steel's ability to withstand harsh environments, resist corrosion from corrosive fluids, and perform under high pressure and temperature conditions makes it a preferred material for critical components and equipment in the oil and gas sector.

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