china a36 bridge chemical composition

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CHINA Q 345 0.2 1.00-1.60 0.04 0.04 0.55 for thk<16mm-345, 470-630 22 34J at -20°C for thk 16-35mm-325, for thk>35mm-295 GERMANY ST 52.3 0.2 1.6 0.04 0.04 0.55 355 510-680 22 27J at -20°C Specification:Specification Grade Chemical Composition (max permissible limit for each element) Mechanical Properties Remarks

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