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company news about Q355B vs Q235B Steel Structures: Comparison of Material Differences, Application Scenarios, and Cost-Effectiveness

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Q355B vs Q235B Steel Structures: Comparison of Material Differences, Application Scenarios, and Cost-Effectiveness

As two of the most commonly used carbon structural steels in steel structure projects, many customers struggle to choose between Q355B and Q235B during procurement. This article provides a comprehensive comparison from key dimensions to help you make quick decisions:

Comparison Dimension	Q355B Steel Structure	Q235B Steel Structure
Yield Strength	≥355MPa, high strength grade	≥235MPa, ordinary strength grade
Application Scenarios	Long-span buildings, heavy industrial plants, bridge projects, high-rise steel structures	Small workshops, warehouses, simple sheds, secondary load-bearing components
Material Usage	High strength, less usage under the same load, 20%-30% weight reduction achievable	Lower strength, requires larger cross-sectional size, more usage
Cost Performance	Slightly higher unit ton price, but lower total cost due to reduced usage	Lower unit ton price, but limited long-term cost-effectiveness due to higher usage
Construction Difficulty	Welding and bolt connection applicable, mature technology	Convenient processing and construction, suitable for rapid implementation of small projects

Conclusion: Q355B is a better choice if the project involves long spans, heavy loads, or requires structural weight reduction; Q235B can meet basic needs for small simple buildings or projects with limited budgets. It is recommended to conduct a comprehensive evaluation based on project design standards and long-term usage requirements.

Pub Time : 2025-11-26 11:05:24 >> News list

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steelnova Co., Ltd

Contact Person: Ms. Alice Cao

Tel: 18561877588

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company news about Q355B vs Q235B Steel Structures: Comparison of Material Differences, Application Scenarios, and Cost-Effectiveness

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