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weekly 0.8 https://de.octgsteels.com/blog/what-is-the-yield-strength-of-a-steel-plate-1417699.html 2025-10-14T10:01:57+08:00 weekly 0.8 https://de.octgsteels.com/blog/how-to-store-socket-weld-flanges-to-prevent-corrosion-1417718.html 2025-10-14T10:02:25+08:00 weekly 0.8 https://de.octgsteels.com/blog/what-are-the-environmental-impacts-of-using-socket-weld-flanges-1417735.html