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260 tons 4140 alloy and SMA490BP steel for bridge construction delivered to Ukraine
260 tons 4140 alloy and SMA490BP steel for bridge construction delivered to Ukraine
- Comments: Q355NH material is a Chinese steel grade to GB/T 4171-2008 atmospheric corrosion resisting structural steel. There are five steel levels under Q355NH: Grade A, B, C, D, and E. Q355NH structural steel sheet is mainly used in vehicles, containers, construct
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