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The difference between heavy steel and light steel

There is indeed no uniform standard for distinguishing between heavy‑steel and light‑steel structures; even many experienced designers and project managers often struggle to define the distinction clearly. However, we can make an informed judgment by considering a combination of quantitative criteria: Heavy‑steel structure: 1. Gantry crane lifting capacity: ≥25 tons. 2. Steel consumption per square meter: ≥50 kg/m². Light‑steel structure refers to lightweight steel structures fabricated using round steel and angle steel with dimensions smaller than L45×4 or L56×36×4.

2018

Comparison of the Advantages of Steel Structures and Concrete Structures

As a widely accepted consensus, compared with the currently prevalent use of concrete, steel structures offer several key advantages: first, they enable dry‑construction methods, conserving water, occupying less site space, and generating reduced noise and dust; second, their lighter self‑weight requires less earthwork for foundations, thereby minimizing damage to this precious resource; third, they significantly cut down on the use of concrete and masonry materials, reducing quarrying and stone extraction around urban areas and thus supporting environmental protection; fourth, at the end of their service life, steel structures produce far less solid waste upon dismantling, and scrap steel commands a high market value for recycling. At present, steel‑frame construction is among the least environmentally impactful structural systems, and it has been extensively adopted in Western countries, earning it the designation of “green building.”

2018

Differences and Characteristics of European‑Style Cranes Compared with Traditional Cranes

1. From a structural design perspective: ① European‑style cranes: The main girder adopts a box‑type beam structure, offering a more rational design and higher strength. The hoist is securely attached to the bottom flange of the main girder, eliminating potential hazards, while also increasing the effective lifting height and thereby expanding the usable working space. The headroom clearance can reach up to 1.5 meters, wheel pressure is reduced, and fewer track beams are required. ② Conventional cranes: Limited by hoist design, they can only employ a traditional under‑hung I‑beam structure, which is structurally suboptimal and less efficient.

2018

Main Processes in the Fabrication of Steel Structural Components for Buildings

As modern economies continue to develop and living standards steadily improve, human residential environments, housing conditions, and housing needs are constantly evolving. With increasingly stringent state controls over land-use systems—particularly in Shenzhen, where building land has become ever more scarce—structures are trending toward ultra‑tall designs. Reinforced concrete can no longer adequately meet the demands of architectural efficiency, structural integrity, design flexibility, or certain specialized functional requirements. Steel structures, owing to their light weight, high strength, excellent ductility and toughness, and ease of fabrication coupled with short construction timelines, have been widely adopted in high‑rise buildings; indeed, the structural systems of contemporary skyscrapers are increasingly shifting toward steel‑based solutions.

2018

ASEAN steel demand surges; overseas Chinese leaders hope to build bridges for Chinese steel companies to expand globally.

“At present, three major railway projects are under construction or have been slated for development in Southeast Asia, generating substantial demand for steel. China’s steel industry enjoys both technological and financial advantages, making it a viable option to ‘go global’ by investing in and establishing manufacturing facilities within ASEAN. Meanwhile, overseas Chinese and ethnic Chinese communities are eager to play a bridging role, facilitating partnerships between Chinese enterprises and local stakeholders,” said Deng Lianghui, president of the Lao-Guangxi Hometown Association, in a recent interview with a China News Service reporter in Nanning.

2018

Steel Structure Market Analysis and Development Prospects

China’s steel‑structure construction sector got off to an early start, with industry standards and codes becoming increasingly comprehensive. A sizable pool of skilled professionals—covering design, installation, and construction—has emerged, and several leading firms have begun undertaking overseas projects. According to the “2015–2020 China Steel Structure Industry Market Demand Forecast and Investment Strategy Planning Analysis Report” released by the Qianzhan Industry Research Institute, since 2000 the Chinese steel‑structure industry has entered a phase of rapid growth. Steel‑structure output surged from 8.5 million tons in 2002 to 35 million tons in 2011, posting an average annual compound growth rate exceeding 15%; in 2012, production reached approximately 39 million tons.

2018

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