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Q3: Why use Q355 steel instead of standard steel?
From: | Author:Hebei Walter Intelligent Equipment Co., Ltd.Hebei Walter Intelligent Equipment Co., Ltd. | Time:2025-06-30 | 7 Views | Share:
A: Q355 steel provides:

Tensile strength of 470-630 MPa (35% higher than Q235)

Thermal stress relief ensures long-term flatness (≤0.1mm/m²)