Long Products
Langzo Steel is located in the Chinese steel base-Boxing city, Shandong Province, China which is a steel group company integrating steel industry and international trade, our subsidiaries are: Shandong Langzo New Materials Co., Ltd.; Vanten Metal Corporation Limited and Tangshan Jingjin ColdRolled Galvanizing Co.. Ltd.etc. Our main products are flat products of Galvanized Steel Coils, Galvalume Steel Coils, Color Coated Steel Coils, Corrugated Steel Roofing Sheet, Cold Rolled FullHard, Aluminum Color Coating Coils, Tinplate, TFS, etc and long products of Angles, channel, H beam, Wire rod, Rebar/ Deformed Bar, steel pipe, steel strips. etc.
Why Choose US
Our Factory
Tangshan Xunzhuo International Trade Co., Ltd. is a steel group company integrating the steel industry and international trade. We have 7 production lines, more than 500 employees, and a monthly production capacity of 100,000 tons, completing orders for customers efficiently and timely.
Production Market
With more than 10 years development, Xunzhuo has gained a very good reputation of our clients from Europe, Africa, Latin America, Southeast Asia and Middle East, etc.The personnel in each position of the company have more than many years of experience in foreign trade.
Quality Assurance
Professional technical quality inspection personnel conduct quality inspections on the products ordered by customers. From production, packaging to transportation, they carefully conduct quality tracking throughout the entire process to ensure that customers receive satisfactory products.
Excellent service
We have a professional service team and a complete sales process. We promise that from the client's order to the customer's receipt of the goods, the whole process will allow clients to be 100% at ease!
Types of Long Products
Galvanized H-Beam
Galvanized H-Beam is a kind of Economic section steel, which sectional area distribution is more optimized, the ratio of strength to weight is more reasonable, Mechanical properties of the section is more better.
Carbon Steel I Beam
Carbon steel I-beam is widely used in buildings or other metal structures. Due to the relatively high and narrow section size of ordinary l-beam and light l-beam, the moment of inertia of the two main axes of the section is quite different, which makes it very limited in the scope of application.
Carbon Steel Pipe
The steel used for Carbon Steel Pipe are steel sheets or strips, which are divided into furnace welded pipes, electric welded (resistance welded) pipes and automatic arc welded pipes due to their different welding processes.
MS Flat Bar
MS Flat Bar is a general purpose rectangular potential rolled steel bar. Its specifications are expressed in millimeters of thickness * width, and MS Flat Bar can be finished steel used for components, escalators, bridges, and fences.
Seamless Steel Pipe
We supply high-quality Seamless Steel Pipe, carbon steel pipe,alloy steel pipe and so on. It keeps a large number of stocks all year round with complete types and specifications.
Deformed Steel Bar
Deformed Steel Bar is commonly known as hot rolled ribbed steel bar, rebar is widely used in housing, Bridges, roads and other civil engineering construction.
Galvanized Steel Wire
The galvanized steel wire is made of high-quality low-carbon steel wire rod, which is made of high-quality low-carbon steel after drawing, pickling,de-rusting, high-temperature annealing, hot-dip galvanizing, and cooling.
Advantages of Stainless Steel Long Products
1. Corrosion resistance
One of the best and most well-known characteristics of stainless steel is that it is extremely corrosion resistant. We typically use 316-grade stainless steel which also contains 3% molybdenum. This further strengthens its resistance to corrosion against industrial acids, alkaline solutions and makes it particularly resilient in high saline environments. This founding characteristic has made it highly applicable all over the world.
2. Fire and heat resistance
Stainless steel has this attribute because of its oxidation resistance, even at high temperatures. This enables it to retain its strength under harsh and extreme temperature conditions very effectively.
3. Hygiene
Stainless steel is an extremely hygienic material due to the fact that it is extremely easy to clean and sanitise. Its smooth, sheen-like and non-porous surface means that the likes of dirt, grime and bacteria struggle to establish themselves on its exterior. When they do, they can very easily be wiped away. The ease of this cleaning and maintenance makes stainless steel an excellent choice in environments where strong hygiene is vital.
4. Impact resistance and strength
Stainless steel is an extremely tough and highly durable material with high impact resistance. Part of the reason for this is that stainless steel has low susceptibility to brittleness at high and low temperatures. Not only does this mean that the material will retain its shape, but it means at its melting point it can be more easily welded, cut, fabricated etc as we do in the manufacture of balustrades for example.
Application of Stainless Steel Long Products
Seamless steel pipe
1.Fertilizer industry
Steel seamless pipes come in handy in several sectors of the fertilizer industry. The regions of application of the lines in the fertilizer industry mainly include piping system equipment, high-pressure tubes in melamine plants, and heat exchanging systems in urea synthesis ethylene plants.
2.Power generation industry and environmental technologies
Steel seamless pipes and tubes are used primarily as heat exchangers in giant power plants and the energy department. Environmental uses and waste incineration plants also utilize the same application style known as reheater superheaters.
3.Chemical and petrochemical industries
Steel seamless plants prove highly useful in chemical and petrochemical industries. The area of application in the chemical and petrochemical sectors mainly includes the following: High-pressure pipes in melamine plants, elaborate piping systems and heat exchanging systems of urea synthesis ethylene plants.
4.Oil and gas industries
Steel seamless pipes are a common requirement for oil casing and tubing for offshore and onshore oil & gas transfer. The oil extracted offshore needs large tubes to be transferred from one reservoir to another.
5.Engineering and construction industry
Steel seamless pipes are highly used in engineering and construction industries in the following sectors: Automobile designing technology, food manufacturing industry, measurement and control technology, hydraulic press, cylinders and pumps, etc.
Carbon steel I beam
1. Structural frameworks
Carbon steel sheets are extensively used in building structural frameworks. Their high strength-to-weight ratio makes them ideal for constructing beams, columns, and trusses. The inherent durability of carbon steel ensures that these structural components can support significant loads and withstand environmental stresses.
2. Roofing and cladding
Roofing and cladding are critical applications of cs sheets. Their robustness and resistance to weather conditions make them suitable for protecting buildings from external elements. Additionally, they offer aesthetic flexibility, allowing architects to create visually appealing designs.
3. Reinforcement of concrete
Another significant use of carbon steel sheets is in the reinforcement of concrete. By embedding carbon steel sheets within concrete structures, engineers can improve the tensile strength and durability of the concrete. This combination is particularly effective in areas prone to seismic activity.
4. Fabrication of building components
Carbon steel sheets are essential in fabricating various building components such as doors, window frames, and staircases. Their ease of fabrication and welding makes them a preferred choice for creating custom components tailored to specific construction needs.
Galvanized steel wire
1.Fencing and enclosures
Galvanized wire mesh panels can be attached to wood beams and made into a sturdy fence for a front yard or back patio. The material can also be used for garden fencing to keep pets and other curious nibblers out.
2.Compost bins
If you have metal mesh sheets, tin snips, and some loose wire, you don't need to buy a pre-made outdoor compost bin. You can make your own using more malleable mesh or secure four rigid galvanized screens together to create a square bin.
3.Gutter guards
Mesh guards prevent sticks, leaves, and other debris from clogging and overflowing your channels, which could lead to a flooded home or a rotted roof. But that's not all they're good for. They can also prevent squirrels, rats, snakes, and bugs from making their way into your gutters.
4.Chicken coops
Many assume chicken wire (also known as hex mesh) is the best option for chicken coops. However, it might not be durable enough to deter foxes, snakes, coyotes, and other predators. As it turns out, the galvanized variety is ideal for henhouses, thanks to its thick wire diameter and exceptional durability.
Melting and Casting
The steel and other alloying metals that get used are loaded into an electric arc furnace. This is the start of the process. Then, the metals are heated above the melting point, particularly over temperatures of twenty-eight hundred degrees. Since it takes time to break down-depending on what temperature, precision, and volume quantities are required-the entire melting process takes eight to twelve hours.
Forming
Some cast steel pieces are made from hot rolling-the bloom, billet, or slab is heated up and taken through large rollers that stretch the material into long, thin forms of sheet metal. The hot rolling process goes above the recrystallization temperature of the steel. The slabs typically form into plates, sheets, or strips, while blooms and billets flower into wire and bar-forms.
Heat Treatment
While stainless steel rolls through, a heat treatment helps strengthen the material and recrystallizes deformities made in the substance. During the heating process, most stainless steel pieces get heated by an annealing treatment, which shifts the physical and, at times, chemical assets of stainless steel. The annealing process increases ductility and decreases hardness to help it become workable. The heating process also consists of relieving internal stresses on the metal and softens the surface.
Descaling
In this process, rolled stainless steel pieces receive a layer of oxidized mill scales. A brittle layered material made from iron oxides with wustite is considered a waste material. When in the process of descaling, the mill scale washes away to reveal a gleaming surface by going through chemical treatments such as electro-cleaning and pickling. When sorted through pickling, the stainless steel goes through a bath cycle filled with nitric-hydrofluoric acid. The electro-cleaning uses cathode and phosphoric acid in the descaling process of the stainless steel manufacturing process. Once the stainless steel has shed its skin in the descaling process, it's then finished with a high-pressure water rinse that gives the metal a bright finish.
Work Hardening
This process consists of strengthening the material by taking it through deformation. While in the deforming substage, the steel hardens rapidly and is given the overall rate determined by the specific grade of material. Depending on your grade, if you happen to have austenitic steels, they'll harden quicker than other types.
Cutting or Machining
When stainless steel is cut, it gets cut to the required size and shape. When steel's cut, the usual process is performed through cutting with a circular knife-attached sheer, sometimes sawed with high-speed blades, and even blanked with punches. The other methods for cutting or machining also include open flame, plasma, and waterjet cutting.
Finishing
Stainless steel has endless options of surface finishes. Even though the surface isn't purely aesthetic, the finishes you select-depending on the type-can make stainless steel's corrosion resistance increase, make it easier to clean, and even have it set and ready to go to be used in manufacturing. The type of finish depends on the type of application.
FAQ
We're professional long products manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale high-grade long products in stock here from our factory. Contact us for quotation.