Chinese GB Standard

GB is the abbreviation of the Pinyin 国标 Guo Biao, which means Chinese national standard in English, and is issued by the Standardization A...


Q235 Steel Q235A Q235B Q235C Q235D Equivalent, Properties, Specification, Composition

Steel plate made from Q235 steelQ235 Steel (Q235A Q235B Q235C Q235D)Q235 steelis a plain carbon structural steel which is widely used in Chin...


Q355 Steel, Q355B Q355C Q355D Properties, Composition & Equivalent

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: “q


GB/T 1591-2018 High strength low alloy structural steels

Download: GB/T 1591-2018 High strength low alloy structural steels

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