Steel Billet made in China with High quality

Steel Billet made in China with High quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 17642 m.t./month

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Specification

Grade:

Q195/Q215/Q235/Q275

Qaulity:

own factory, stable quality

Length:

6~12meters

Size:

100mm to 165mm

Tolerance:

Strictly according to the G/B and JIS standard

Steel billet :

Steel billet(ingot) by cogging or breakdown of semi-finished products, is the raw material of all kinds of steel mill. Billet section of square, round, flat, rectangular

and abnormity of several kinds of, mainly related to the shape of rolled products.

Billets, or ingots (as they sometimes referred to), are not of practical use until they have been formed into more

functional shapes and sizes. While they have already been put in the furnace, they still require a series of shaping

and molding procedures such as hot and cold working, milling and cutting before they are sold in hardware stores,

or used for different applications. The unformed billets, however, can be used in striking currency such as coins and

as reserves, similar to gold bars.

Gade:

Standard	C(%)	Mn(%)	S(%)	P(%)	Si(%)
Q195	≤0.12	≤0.50	≤0.040	≤0.035	≤0.30
Q235	≤0.20	≤1.40	≤0.045	≤0.045	≤0.35
Q275	≤0.22	≤1.50	≤0.045	≤0.045	≤0.35
20MnSi	0.17-0.25	1.2-1.6	≤ 0.050	≤ 0.050	0.40-0.80
3SP	0.14-0.22	0.40-0.85	≤ 0.050	≤ 0.040	0.05-0.15
5SP	0.28-0.37	0.50-1.00	≤ 0.050	≤ 0.040	0.15-0.30

Steel Billet made in China with High quality

Other Specifications

Squar Tolerance: ±4

Length Tolerance: +100mm

Romboidity/Difference Diagonals: no more than 0.7%

Camber: no more than 1.5%(%)

Twist: no more than 3 degrees per 1 meter length

Our Advantage

* Professional Personnel of Steel Trading

* Strong Steel Industry Background

* Conveniently Geographic Location

Our Commitment

* Sincere, Practical, Efficient and Developing

* High Quality Steel Production

* Competitive Price and Timely Delivery

Packing :

Within 30 days

1.Standard export package
2.In bundles with steel strips
3.As the requirements of the customers

FAQ:

Q: How to get quotation?
A: When we receive your detailed enquiry, we will set the best price based on standard,
steel grade, outer diameter, wall thickness, quantity, country.
And we will send quotation to your mailbox.

Q:How to guarantee the quality of the products?

A:We have established the international advanced quality management system,every link from raw material

to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market.

At the same time, we will provide necessary follow-up service assurance.

Q:How long can we receive the product after purchase?

A :In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.

The pecific time of receiving is related to the state and position of customers.

Q: What are the safety precautions to be taken while handling steel billets?: Some safety precautions to be taken while handling steel billets include wearing appropriate personal protective equipment (PPE) such as gloves, safety goggles, and steel-toed boots to protect against potential injuries. It is important to ensure proper lifting techniques are used, utilizing mechanical aids if necessary, to avoid strains or back injuries. Additionally, maintaining a clean and organized work area can help minimize tripping hazards and potential accidents. Regular inspection and maintenance of equipment, such as cranes and forklifts, is essential to ensure safe handling of the steel billets.

Q: How is the demand for steel billets projected to change in the future?: The demand for steel billets is expected to increase in the future due to the growing infrastructure development, urbanization, and industrialization across various regions. Additionally, the automotive and manufacturing sectors are anticipated to drive the demand for steel billets as they continue to expand. Overall, the future outlook for the demand of steel billets is positive and is expected to witness a steady rise.

Q: What are the different types of steel billet rolling mill defects?: There are several types of steel billet rolling mill defects that can occur during the rolling process. These defects can have various causes and can affect the quality and performance of the final product. Some of the common types of defects include: 1. Surface defects: These defects are visible on the surface of the rolled billet and can include scratches, cracks, pits, and scale. Surface defects can be caused by improper handling, inadequate lubrication, or excessive rolling pressures. 2. Shape defects: Shape defects refer to the deviations from the desired shape of the billet. These can include bowing, twisting, or excessive tapering. Shape defects can be caused by uneven cooling, improper alignment of the rolling mill, or incorrect rolling parameters. 3. Internal defects: Internal defects are defects that are not visible on the surface but can affect the structural integrity of the billet. These defects can include segregation, porosity, and inclusions. Internal defects can be caused by the presence of impurities in the raw material, improper heating or cooling, or inadequate quality control measures. 4. Dimensional defects: Dimensional defects refer to deviations from the desired dimensions of the billet, such as variations in length, width, or thickness. These defects can be caused by improper calibration of the rolling mill, incorrect rolling parameters, or inadequate quality control measures. 5. Metallurgical defects: Metallurgical defects are defects that occur due to improper metallurgical processes during rolling. These defects can include grain size variations, improper grain flow, or undesirable microstructure. Metallurgical defects can be caused by improper temperature control, inadequate alloying, or insufficient heat treatment. It is important for steel billet rolling mills to have proper quality control measures in place to identify and rectify these defects. Regular inspections, testing, and monitoring of the rolling process can help to minimize these defects and ensure the production of high-quality steel billets.

Q: What is the standard size of a steel billet?: The standard size of a steel billet can vary depending on its intended use and industry standards. However, common sizes range from 5 inches by 5 inches to 10 inches by 10 inches, with varying lengths.

Q: What are the different types of steel billet defects?: During the manufacturing process, various types of defects can occur in steel billets, which can ultimately affect the quality and performance of the final product. Some commonly observed defects in steel billets include the following: 1. Surface flaws: These imperfections manifest as cracks, scale, or scratches on the outer surface of the billet. Such defects can weaken the billet, thereby reducing its overall strength. 2. Internal irregularities: These defects, hidden beneath the surface, can be caused by non-metallic inclusions, voids, or gas pockets. They can compromise the structural integrity of the billet, leading to failures or deformations. 3. Segregation: This defect arises due to the uneven distribution of alloying elements within the billet. Consequently, the mechanical properties of the billet become inconsistent, resulting in variations in strength or hardness. 4. Pipe defects: These occur in the center of the billet and are caused by the formation of a cavity during solidification. This flaw weakens the billet, making it more susceptible to cracking or other forms of failure. 5. Incomplete solidification: This defect arises when the billet fails to fully solidify during the casting process. It can give rise to internal cracks or voids, thereby reducing the overall quality and strength of the billet. 6. Surface decarburization: This defect emerges when the billet's surface loses carbon during the heating or cooling process. It leads to reduced hardness and wear resistance in the final product. Manufacturers must diligently monitor and control the production process to minimize the occurrence of these defects. Implementing techniques like quality control checks, heat treatment, and proper handling can help prevent or mitigate the impact of these defects on the final product.

Q: How are steel billets used in the production of agricultural equipment?: The versatility and durability of steel billets make them indispensable in the production of agricultural equipment. These semi-finished steel products come in solid rectangular forms, making them perfect for various manufacturing processes. When it comes to agricultural equipment production, steel billets serve as the primary raw material for forging, casting, or rolling. Forging involves heating the billets to a specific temperature and shaping them with a hammer or press. This method is commonly used to create robust components like plowshares, tiller blades, and harrow teeth that require superior strength and resistance to wear. Casting, on the other hand, involves pouring molten steel into a mold and allowing it to solidify. By melting and casting steel billets into intricate shapes, manufacturers can produce complex components such as tractor engine blocks, combine harvester parts, and agricultural machinery frames. This flexibility in shape allows for customized equipment that meets specific requirements. Rolling is yet another technique that utilizes steel billets in agricultural equipment production. The billets are heated and then passed through rollers to reduce their size and shape them into bars, rods, or sheets. Rolled steel billets are commonly used for manufacturing axles, shafts, and brackets, which are crucial for the proper functioning of agricultural machinery. The inherent strength and durability of steel billets make them highly preferred in agricultural equipment production. The demanding conditions of the agricultural industry require machinery that can withstand harsh environments, heavy loads, and repetitive use. Steel billets offer exceptional strength, enabling the creation of equipment that can endure these challenging conditions. Furthermore, heat treatment processes like quenching and tempering can further enhance the mechanical properties of steel billets. In conclusion, steel billets play a crucial role in the production of agricultural equipment. Their versatility and durability allow manufacturers to create components and machinery that can withstand the challenging conditions of the agricultural industry. Whether used in forging, casting, or rolling, steel billets provide the necessary strength and reliability for efficient and long-lasting agricultural equipment.

Q: What are the different types of steel billet machining processes?: There are several types of steel billet machining processes, including turning, milling, drilling, and grinding. Each of these processes involves different techniques and tools to shape and refine the steel billet into the desired form or component.

Q: How are steel billets used in the manufacturing of structural components?: The manufacturing of structural components heavily relies on steel billets, which are an essential raw material. These billets, usually square or round in shape, are produced through continuous casting, a process that solidifies molten steel into a semi-finished product. After the formation of steel billets, they undergo further processing using different techniques like hot rolling, forging, or extrusion. Hot rolling includes heating the billets and passing them through a sequence of rollers to shape them into desired profiles, such as beams, channels, or angles. This method is crucial for achieving the necessary dimensions, strength, and surface finish. Forging is another technique employed with steel billets, involving heating the billets and shaping them using compressive forces. It is primarily used for manufacturing components that require enhanced strength and durability, like crankshafts, connecting rods, or turbine blades. Extrusion, on the other hand, is a specialized process that utilizes heated billets to create complex shapes by forcing them through a die. This technique is commonly utilized in the production of tubular components, such as pipes, tubes, or hollow sections. These components are extensively used in the construction of structures like bridges, buildings, or infrastructure. Steel billets play a critical role in the manufacturing of structural components by providing the necessary raw material that can be shaped using various fabrication techniques. Their adaptability and versatility make them an indispensable component in the construction industry, ensuring that buildings and structures possess the required strength and durability to withstand different loads and environmental conditions.

Q: Can steel billets be extruded into different shapes?: Yes, steel billets can be extruded into different shapes.

Q: What are the main factors affecting the hardenability of stainless steel billets?: The hardenability of stainless steel billets, which refers to the material's ability to be hardened through heat treatment, can be influenced by various factors. These factors include: 1. Alloy composition: The composition of stainless steel, especially the presence of carbon, chromium, nickel, and molybdenum, plays a crucial role in determining its hardenability. Higher carbon content generally improves hardenability, while elements like chromium and nickel enhance corrosion resistance but may decrease hardenability. 2. Grain size: The grain size of stainless steel billets affects the rate and depth of hardening. Finer grain structures typically exhibit better hardenability compared to coarser ones. This is because smaller grains allow for a more even distribution of carbon and alloying elements, resulting in improved hardening response. 3. Heat treatment conditions: The specific heat treatment process utilized, including heating and cooling rates, soaking time, and quenching media, has a significant impact on the hardenability of stainless steel billets. Proper control of these parameters is essential to achieve the desired hardness and mechanical properties. 4. Cooling rate: The rate at which the billets are cooled during the quenching process is a critical factor in determining their hardenability. Rapid quenching, such as water or oil quenching, promotes martensitic transformation and leads to greater hardness. Slower cooling rates, such as air cooling, result in a softer and less hardened structure. 5. Cross-sectional thickness: The thickness of the stainless steel billets also affects their hardenability. Thicker sections tend to have lower hardenability due to slower heat transfer rates during quenching. Conversely, thinner sections can achieve higher hardness levels due to faster cooling rates. 6. Prior microstructure: The initial microstructure of the stainless steel billets, whether they are in an annealed or cold-worked state, can influence hardenability. Cold work can introduce dislocations and grain boundaries, which may impede the diffusion of carbon and alloying elements during heat treatment, leading to reduced hardenability. Considering these factors, manufacturers and engineers must carefully select stainless steel grades and tailor the heat treatment process to achieve the desired level of hardenability and mechanical properties in stainless steel billets.

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