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5800 tons 09CuPTiRE-B weathering bridge steel ERW pipe for Qatar Integrated Railway Project
5800 tons 09CuPTiRE-B weathering bridge steel ERW pipe for Qatar Integrated Railway Project
- Comments: 09CuPTiRE-B weathering bridge steel, 40Cr material is a common machinery manufacturing steel under GB/T 3077-2015 standard. After tempering, it has good comprehensive mechanical properties, good low temperature impact toughness and low notch sensitivity.
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