Q355 Steel, Q355B Q355C Q355D Properties, Composition ...
2020-8-27u2002·u2002Q355 Steel (Q355B Q355C Q355D) Q355 steel is a Chinese low alloy high strength structural steel, which replaced Q345, the material density is 7.85 g/cm3.According to GB/T 1591 -2018, Q355 has 3 quality levels: Q355B, Q355C and Q355D.. 'Q' is the first letter of Chinese Pinyin: 'qu fu dian', which means Yield Strength, '355' is the minimum value of yield strength 355 MPa for steel ...
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