Steel Profiles
Your Professional Steel Profiles Supplier
The company covers an area of more than 200 acres and has a plant of 100,000 square meters.Taian Golden Century Import and Export Co.,Ltd is the subsidiary of Tai'an Jiahe Heavy Industry Machinery Co., Ltd. Jiahe is a national high-tech enterprise that develops and produces various types of engineering machinery, forging equipment, and environmental protection equipment.
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Our Certificate
The company has successively passed ISO9001 quality management system, ISO14001 environmental management system, ISO45001 occupational health and safety management system and product CE certification.
Production Market
The products are sold to 30 provinces, municipalities and autonomous regions across the country, and exported to more than 50 countries and regions including Europe, North America, Central Asia, Southeast Asia, Africa, and South America.
OEM And ODM Customized
100% customized - tailored to your needs to meet the diverse needs of different customers and provide high-quality packaging solutions.
Best Services
We work directly for our clients and put client's interests first. Innovation Guides Us As Always24-hour online service, timely and fast quotation for you.
Steel profiles are products made out of steel that has been shaped by being rolled, drawn or pressed. These shapes have the same cross-section over their entire length. Most often used in reinforcing concrete or building structure, these steel profiles help to increase the strength of the projects they are used in.
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Inspection Item |
Standard |
Inspection Value |
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Appearance |
No corrosion, no damage, no black speckle and no pock points |
Pass |
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Both surface galvanization |
≥100g/m² |
115g/m² |
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Load Channel |
Dimension difference A |
Dimension A:±0.4mm |
-0.3--0.2mm |
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Dimension difference B |
Dimension B: ±1.0mm |
-0.5--0.5mm |
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Cover Channel |
Dimension difference A |
Dimension A:±1.0mm |
-0.4--0.1mm |
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Dimension difference B |
Dimension B:±0.4mm |
-0.3--0.1mm |
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Side flatness |
≤1.5mm/1000mm |
0.6mm/1000mm |
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Underside flatness |
≤1.5mm/1000mm |
0.5mm/1000mm |
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Angle difference |
≤1°15′ |
1° 5′ |
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Load Channel |
Load test |
Strengthen flexibility limitation 5.0mm Remainder distortion limitation2.0mm |
Strengthen flexibility 4.2mm Remainder distortion1.4mm |
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Cover Channel |
Load test |
Strengthen flexibility limitation10.0mm Remainder distortion limitation 2.0mm |
Strengthen flexibility 8.9mm Remainder distortion 1.5mm |
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Test table above ,load keel is 50*15*1.2mm, cover channel is 50*19*0.5mm |
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Advantages of Steel Profiles
High Strength
Steel profiles are renowned for their exceptional strength and rigidity. This characteristic allows for the creation of complex structures, including halls, storage racks, bridges, and offshore platforms. Steel’s superior load-bearing capacity and resistance to deformation ensure the durability and longevity of such structures, even under heavy loads and high temperatures.
Efficiency
Steel profiling techniques significantly enhance project efficiency. By utilising advanced cutting machines and automated processes, profiling enables faster completion of jobs without compromising quality or accuracy. Quicker turnaround times result in improved project timelines, reduced downtime, and increased productivity.
Ease of Design
The use of steel profiles simplifies the design process for engineers and architects. Steel is produced to precise tolerances and consistent strength levels, allowing for accurate calculations and design specifications. The availability of standardised steel sections further streamlines the design process, enabling efficient integration into larger structures.
Cost-effectiveness
Structural steel stands out as a cost-effective material compared to other framing alternatives. Its initial cost and long-term benefits make it an economically viable choice. Steel’s high strength-to-weight ratio reduces the need for excessive material usage, leading to potential savings in construction costs. Another point worth mentioning is the durability and low maintenance requirements of steel profiles contribute to long-term cost savings.
Quality and Predictability
Steel profiling ensures the fabrication of high-quality products with predictable results. Profiles are manufactured off-site under controlled conditions, where rigorous quality checks and inspections take place. This controlled environment minimises the chances of errors and defects, reducing the need for expensive fixes at the job site. The assurance of consistent quality in steel profiles enhances the overall efficiency and reliability of industrial projects.
Enhanced Productivity
The steel industry boasts a fully integrated supply chain supported by advanced technologies. This integration enhances productivity by optimising material procurement, fabrication processes, and project management. Automated cutting machines, such as those used in steel profiling, enable higher productivity levels and accelerated construction schedules. The combination of advanced technology and streamlined processes ensures efficient project execution.
Safety
Safety is paramount in industrial applications, and steel profiling offers significant safety advantages. Steel possesses inert and non-reactive properties, minimising health and safety concerns. It can be easily cleaned, reducing the risk of contamination and ensuring a safe working environment. Additionally, steel’s resistance to corrosion and degradation contributes to the long-term safety and integrity of structures.
Type of Steel Profiles
C Profile Steel
C profile steel is a popular choice for framing and bracing applications due to its shape, which offers both strength and stability. These profiles are ideal for wall studs and floor joists, commonly found in light steel constructions.
L Profile Steel
L profile steel, also known as angle iron, features a right-angled “L” shape that provides support in both vertical and horizontal planes. It is widely used in frameworks, bracketing systems, and as reinforcement in steel structures, offering versatility and ease of installation.
Steel Z Profile
Steel Z profile is recognized for its Z-shaped cross-section, designed for use in roofing and cladding support systems. These profiles provide excellent load distribution and are frequently used in purlins and girts in steel frame constructions due to their high bending resistance.
Steel H Profile
Steel H profile is known for its strong, wide-flange design that resembles the letter “H”. This shape allows for excellent load-bearing capacity, making it a go-to choice in large structural frameworks like industrial halls and high-rise buildings. The profile is engineered to handle both axial and bending forces efficiently.
Applications of Steel Profiles
Metal Structures: Steel profiles are used in the construction of metal structures such as bridges, warehouses, towers, and industrial and commercial buildings. These profiles are capable of withstanding heavy loads and harsh environmental conditions due to their strength and high hardness. Consequently, most structural engineers and architectural drafters pay special attention to profiles to ensure the strength of their structures.
Lightweight Structures: Steel profiles are also used in lightweight structures. They are employed in workshop systems, windows, doors, stairs, ceilings, and partition walls commonly known as false walls. The flexibility and easy installation and replacement of steel profiles in these structures have made them a notable choice.
Automotive Industry: Steel profiles are used in the automotive industry as well. They find application in the construction of car bodies and interior structures. The lightweight and high strength of the raw materials used in car manufacturing hold great importance in this industry. Steel profiles, due to their lightweight nature, high strength, and ability to withstand heavy loads, are the best option for the automotive industry.
Marine Industry: Steel profiles are utilized in the marine industry as well. These profiles are employed in the construction of boats, ships, offshore platforms, and other marine structures. The high resistance of steel profiles against water pressure and changing sea conditions makes them an ideal material in this industry.
Oil and Gas Industries: Steel profiles are extensively used in the oil and gas industries. They have abundant applications in the construction and installation of industrial equipment, pipeline systems, and structures supporting oil and gas equipment.
Production of steel profiles
Material
Steel beams can often be made from scrap steel of various types, as material requirements are often low.
01
Melting
In a melting furnace, the steel scrap is melted at high temperatures in a highly energy-intensive process for further processing.
02
Casting
In the next step, the liquid steel is cast into billets using a continuous casting machine. The billets are then cut to the desired length.
03
Rolling
In the rolling mill, the steel is first preheated to around 1,250 °C and then rolled into the desired shape.
04
Finishing
The finished steel beams are straightened and cut to the desired length.
05
Core Performance Indicators of Steel Profiles
Tensile Strength: The tensile strength of ordinary structural steel profiles ranges from 370 to 500 MPa, while high-strength steel can reach over 600 MPa.
Yield Strength: The yield strength of Q235 steel is ≥235 MPa, and that of Q345 steel is ≥345 MPa. This determines the load-bearing capacity.
Elongation: This reflects plasticity. The elongation of ordinary steel profiles is ≥15%, while that of high-strength steel may be lower, at 10% to 12%.
Hot-rolled profiles have larger tolerances, such as the height tolerance of H-beams within ±3 mm. Cold-rolled profiles have tolerances within ±0.1 mm.
Strict surface quality requirements apply, and defects such as cracks, folds, and scarring must be avoided, as these will affect weldability and corrosion resistance.
Ordinary carbon steel profiles require galvanizing (hot-dip galvanizing layer thickness ≥65 μm), painting, or alloying (e.g., weathering steel) to improve corrosion resistance.
Stainless steel profiles (such as 304, 316L) contain chromium ≥10.5%, are resistant to atmospheric and chemical corrosion, but are more expensive.
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