Grade HRB400 HRB400E Deformed Steel Bars Prices

Grade HRB400 HRB400E Deformed Steel Bars Prices System 1

Grade HRB400 HRB400E Deformed Steel Bars Prices System 2

Grade HRB400 HRB400E Deformed Steel Bars Prices System 3

Grade HRB400 HRB400E Deformed Steel Bars Prices System 4

Grade HRB400 HRB400E Deformed Steel Bars Prices

Ref Price:: $280.00 - 300.00 / m.t.

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Grade HRB400_HRB400E Deformed Steel Bars Prices

Details of Grade HRB400_HRB400E Deformed Steel Bars Prices

Name	Deformed Bar
Shape	Round Bar
Standard	1.GB1499.2-2007, HRB335, HRB400E 2. ASTM A615 Gr.40, Gr.60 3.BS4449/1997
Diameter	6mm-50mm
Length	6m, 8m, 9m,12m as standard or as request
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

Specification of Grade HRB400_HRB400E Deformed Steel Bars Prices

Standard	Grade	Yield Strength Mpa	Tensile Strength Mpa	Elongation%
BS4449:1997	250	250	295	22
	460A	460	485	12
	460B	460	500	15
GB1499.2-2007	HRB335/335E	335	455	17
	HRB400/400E	400	540	17
	HRB500/500E	500	630	16
ASTM A615 & A615M-04a	GRADE40	280	420	12
	GRADE60	420	620	9
	GRADE75	520	690	7
JIS G3112-2004	SD295A	≥ 295	440-600	17
	SD295B	295-390	≥ 440	17
	SD345	345-440	≥490	19
	SD390	390-510	560	17
	SD490	490-625	≥ 620	13

Size (MM)	WEIGHT (KG/M)	WEIGHT (KG/PCS)		QUANTITY (1TONS/PCS)
Size (MM)	WEIGHT (KG/M)	LENGTH 6M	LENGTH 12M	LENGTH 6M	LENGTH 12M
6	0.222	1.332	2.664	751	375
8	0.395	2.37	4.74	422	211
10	0.617	3.702	7.404	270	135
12	0.888	5.328	10.656	188	94
14	1.21	7.26	14.52	138	69
16	1.58	9.48	18.96	106	53
18	2	12	24	83	42
20	2.47	14.82	29.64	67	34
22	2.98	17.88	35.76	56	28
25	3.85	23.1	46.2	43	22
28	4.83	28.98	57.96	35	17
32	6.31	37.86	75.72	26	13
36	7.99	47.94	95.88	21	10
40	9.87	59.22	118.44	17	8
50	15.42	92.52	185.04	11	5

CNBM Introduction of Grade HRB400_HRB400E Deformed Steel Bars Prices

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.

Grade HRB400 HRB400E Deformed Steel Bars Prices

Packaging & Delivery Grade HRB400_HRB400E Deformed Steel Bars Prices

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

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Grade HRB400 HRB400E Deformed Steel Bars Prices

FAQ:

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	3 metric ton
What’s your delivery time?	15-35 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.
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
Where are your Market?	Covering more than 160 countries in the world

Q: What are the different methods of surface honing for special steel?: There are several different methods of surface honing for special steel, each with its own advantages and applications. Some of the most commonly used methods include: 1. Manual Honing: This method involves using hand-held honing tools such as stones, sticks, or abrasive pads to manually remove material from the surface of the special steel. Manual honing allows for precise control and is often used for smaller or intricate parts. 2. Machine Honing: Machine honing utilizes specialized honing machines that automate the honing process. These machines typically consist of rotating honing stones or abrasive belts that remove material from the surface of the steel. Machine honing is often preferred for larger or more complex parts, as it can achieve consistent and high-quality results. 3. Diamond Honing: Diamond honing is a method that uses diamond abrasives to remove material from the surface of the special steel. Diamond is one of the hardest substances known, making it highly effective for honing steel. This method is often used for high-precision applications or when a very smooth surface finish is required. 4. Superfinishing: Superfinishing is a specialized honing process that is used to achieve extremely fine surface finishes on special steel. It involves using a combination of honing stones and abrasive pastes to remove microscopically small amounts of material from the surface. Superfinishing is typically used for critical applications where surface roughness and dimensional accuracy are of utmost importance. 5. Lapping: Lapping is a honing method that uses a combination of abrasive particles and a rotating or vibrating tool to remove material from the surface of the steel. It is often used for parts that require a very flat or parallel surface, such as bearings or sealing surfaces. 6. Electrochemical Honing: Electrochemical honing is a specialized honing process that uses an electric current to remove material from the surface of the special steel. It is often used for complex or hard-to-reach surfaces, as it can effectively remove material from areas that are difficult to access with other honing methods. In summary, the different methods of surface honing for special steel include manual honing, machine honing, diamond honing, superfinishing, lapping, and electrochemical honing. Each method has its own unique advantages and applications, allowing for precise control and achieving the desired surface finish and dimensional accuracy for special steel components.

Q: How does aluminum contribute to the properties of special steel?: Aluminum is commonly added as an alloying element in special steel to enhance its properties. By adding aluminum to steel, several improvements can be achieved. Firstly, aluminum improves the strength of steel by forming a fine dispersion of aluminum nitride particles within the steel matrix. These particles act as barriers to dislocation movement, impeding the deformation of the steel and increasing its strength. This makes the steel more resistant to mechanical stresses and enhances its load-bearing capacity. Secondly, aluminum also enhances the corrosion resistance of steel. It forms a protective oxide layer on the surface of the steel, acting as a barrier against the corrosive agents. This oxide layer prevents the steel from oxidizing, rusting, and deteriorating over time, making it more durable and long-lasting in various environments. Additionally, aluminum can improve the machinability of special steel. Its presence in the steel composition reduces the tendency of the steel to work harden during machining operations. This makes it easier to cut, drill, or shape the steel, resulting in improved productivity and reduced tool wear. Moreover, aluminum contributes to the heat resistance of special steel. It has a high melting point and good thermal conductivity, which helps in maintaining the structural integrity of the steel at elevated temperatures. This makes aluminum-steel alloys suitable for applications where high-temperature resistance is required, such as in the aerospace and automotive industries. In summary, aluminum contributes significantly to the properties of special steel. It enhances the strength, corrosion resistance, machinability, and heat resistance of steel, making it a versatile material with a wide range of applications.

Q: What are the specific requirements for special steel used in the mining drill bit industry?: The mining drill bit industry has specific requirements for the special steel it utilizes, which focus on durability, toughness, and resistance to wear and corrosion. To begin with, the steel employed in mining drill bits must possess exceptional durability to endure the harsh and demanding conditions found in the mining environment. The drill bits are exposed to high levels of impact, vibration, and stress, necessitating high strength and hardness in the steel to prevent deformation or breakage. Moreover, toughness plays a crucial role in drill bit steel as it must withstand the repetitive and intense forces encountered during drilling operations. The steel should exhibit good fracture toughness to resist crack propagation and prevent premature failure. Additionally, wear resistance is of utmost importance for drill bit steel, as it must retain its cutting edge and performance over long periods. The steel needs to have high wear resistance to withstand the abrasive nature of the rocks and minerals being drilled. Furthermore, apart from wear resistance, the steel utilized in mining drill bits must also demonstrate resistance to corrosion. The mining environment often involves exposure to water, chemicals, and various corrosive agents. Hence, the steel should possess suitable corrosion resistance properties to prevent rusting and degradation. In conclusion, the special steel employed in the mining drill bit industry must fulfill these specific requirements of durability, toughness, wear resistance, and corrosion resistance to ensure reliable and efficient drilling operations in the mining sector.

Q: What are the different cryogenic grades of special steel?: Specifically designed for use in extremely low temperature environments, there are several cryogenic grades of special steel available. These grades have been developed to retain their mechanical properties and prevent brittleness at cryogenic temperatures, making them ideal for applications such as LNG storage tanks, aerospace equipment, and low-temperature chemical processes. Among the commonly used cryogenic grades is the 300 series stainless steel, particularly types 304 and 316. These stainless steels contain nickel, which enhances their cryogenic toughness and ability to withstand thermal stress. Consequently, they are frequently employed in the construction of cryogenic storage vessels and piping systems. Another popular cryogenic grade is the 9% nickel steel, which is alloyed with approximately 9% nickel. This alloy provides excellent low-temperature toughness and ductility. As a result, it is often chosen for constructing LNG storage tanks, capable of withstanding the extremely cold temperatures required for the storage and transportation of liquefied natural gas. In addition, there are special low-temperature carbon steels, such as ASTM A350 LF2 and ASTM A333 Grade 6, which are engineered to maintain their toughness and impact resistance at cryogenic temperatures. These steels find extensive use in low-temperature applications, including cryogenic piping systems and equipment for the oil and gas industry. In conclusion, the various cryogenic grades of special steel encompass stainless steels (such as the 300 series stainless steel), 9% nickel steel, and low-temperature carbon steels (like ASTM A350 LF2 and ASTM A333 Grade 6). Each grade has been specifically designed to endure the challenges presented by extremely low temperatures while retaining their mechanical properties and resistance to brittleness.

Q: How does special steel perform in high-temperature creep?: Special steel is specifically designed to perform well in high-temperature creep conditions. It possesses superior strength, resistance to deformation, and stability at elevated temperatures, making it highly suitable for applications where prolonged exposure to high temperatures and constant stress is expected. Its unique composition and heat treatment processes enable it to maintain its mechanical properties and resist deformation or failure for extended periods under these extreme conditions.

Q: Is the steel column of the steel structure HM a special steel?: The mid flange H section steel HM (M for Middle English prefix) in GB/T 112631998 this standard inside, not special steel;

Q: What are the challenges in machining special steel with high hardness?: One of the major challenges in machining special steel with high hardness is the excessive tool wear. High hardness steel tends to be abrasive and causes rapid tool degradation, leading to frequent tool changes and increased production costs. Additionally, the high hardness makes it difficult to achieve precise cuts and maintain tight tolerances, affecting the overall quality of the machined parts. Another challenge is the generation of high cutting forces, which can strain the machine and potentially cause vibrations or distortions in the workpiece. Therefore, machining special steel with high hardness requires specialized tooling, advanced cutting strategies, and careful monitoring to overcome these challenges and achieve satisfactory results.

Q: What are the main applications of special steel?: The main applications of special steel include the manufacturing of tools, machinery, and equipment used in industries such as automotive, aerospace, construction, and energy. It is also widely used in the production of cutlery, surgical instruments, and various components for infrastructure and engineering projects. Special steel's properties, such as high strength, corrosion resistance, and heat resistance, make it indispensable in these sectors where durability, reliability, and performance are crucial.

Q: What are the main advantages of using special steel in the automotive racing industry?: The main advantages of using special steel in the automotive racing industry are its high strength-to-weight ratio, exceptional durability, and excellent thermal conductivity. Special steel allows for the construction of lighter and stronger components, enhancing the overall performance and speed of racing vehicles. It also ensures greater safety for drivers by providing increased resistance to impact and fatigue. Furthermore, the superior thermal conductivity of special steel aids in dissipating heat generated during intense racing conditions, preventing overheating and maintaining optimal engine performance.

Q: What are the key characteristics to consider when selecting special steel?: There are several key considerations to keep in mind when choosing special steel. Firstly, the composition of the steel is of utmost importance. The elements and their proportions within the alloy play a vital role in determining the steel's properties, such as strength, hardness, and resistance to corrosion. It is essential to carefully assess the intended use and select a composition that aligns with the desired performance. Mechanical properties are another critical aspect to consider. Tensile strength, yield strength, ductility, and toughness all determine how the steel will perform under different loads and impacts. Choosing a steel with appropriate mechanical properties for the specific application is crucial. The steel's heat treatment capabilities should also be taken into account. Special steels often undergo various heat treatment processes to enhance their properties. Factors like hardenability, tempering ability, and the ability to maintain hardness at high temperatures are essential factors to consider when selecting special steel. Corrosion resistance is a significant characteristic, particularly if the steel will be exposed to harsh environments or chemicals. Certain special steels are specifically designed to have excellent resistance to corrosion, making them suitable for applications in marine environments, chemical processing plants, or the oil and gas industries. Other characteristics to consider include machinability, weldability, and cost. Machinability refers to how easily the steel can be cut, drilled, or shaped, while weldability determines the steel's ability to be welded without compromising its properties. Cost is an important factor that should align with the project's budget constraints. To summarize, when choosing special steel, it is crucial to consider the composition, mechanical properties, heat treatment capabilities, corrosion resistance, machinability, weldability, and cost. By assessing these key characteristics in relation to the specific application, one can make an informed decision and select the most suitable special steel for the intended purpose.

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