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    Elongation for Q345 is at the bottom end of the specification which is 0.22% while the local manufactured tube is an average is 0.37%. Lastly but importantly the minimum yield of Q345 is 345MPa which is not the same as the minimum yield of grade S355 which is 355MPa.

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    the material difference of Q345A, Q345B, Q345C, Q345D and Q345E Q345 is a kind of steel material. It is a low alloy steel (C 0.2%), widely used in bridges, vehicles, ships, [PDF] National Standards of the Peoples Republic of China

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    the material difference of Q345A, Q345B, Q345C, Q345D and Q345E Q345 is a kind of steel material. It is a low alloy steel (C 0.2%), widely used in bridges, vehicles, ships, [PDF] National Standards of the Peoples Republic of China

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  14. Q235 vs Q345 Strength? - Structural engineering general ...

    Sep 28, 2010 · The tensile strength is 375-500 MPa. The min. yield point of Q345 is 345 MPa for thicknesses < 17mm, 325 MPa for 16-35mm, 295 MPa for 35-50mm, and 275 MPa for 50-100mm. Tensile strength 470-630 MPa.

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    GB/T1591 Q345 steel include Q345A, Q345B, Q345C, Q345D, Q345E steel. GB/T1591 Q345 steel plate external implementation of the standard is: gb709, the internal implementation of the standard is: gb/t1591-94, due to the reasons for the implementation of the standard, such as the negative tolerance of the steel plate. The latest implementation of the standard is GB/T1591-2008.

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  22. The difference between Q345 and Q235 - Yaang

    Sep 08, 2016 · Q345 is a steel material. It is a low-alloy steel (C <0.2%), widely used in bridges, vehicles, ships, buildings, pressure vessels. Q represents the yield of this material, behind the 345, the yield refers to the value of this material, approximately 345.

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  35. free bs 4449 2005 a2 2009 - natural-elements-online.com

    BS 4449:2005+A2:2009 - Norsk Standard, standard.noBS 4449 is intended for manufacturers, fabricators and purchasers of ribbed reinforcing steel (bars, coils and decoiled products) for the reinforcement of concrete structures. It provides designations based on the grade of steel, the product form and dimensions.

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