【Daily Question】October 22, 2015: Steel materials (2 wealth points for a reply; +3 to +8 wealth points if the answer is correct)

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This post was last edited by zzhaichuan on 2015-10-23 08:49. The Mechanical Section has introduced the \"One Question per Day\" feature, which not only helps to foster an active atmosphere for technical discussions and guide the direction of such exchanges but also provides users with financial rewards, enabling them to experience various cool features. Low-carbon steel is the type of carbon steel with the lowest (b) content and the best plasticity. A. Weldability B. Strength C. Oxidation resistance D. Overall performance. Low-carbon steel: low strength, good ductility, and excellent weldability. Note: We will close this thread after 24 hours, and at that time we will announce the best response (the best help), along with the answers and explanations. Charisma Reward: If you post a topic in this section within two days to provide a detailed explanation or discussion of the knowledge points related to this question, please reply or leave a comment in this post to inform us, and we will have a moderator award you charisma points. It is not allowed to simply copy and paste; original content is preferred, with at least some organization by the user along with personal insights. After registration, we will rank participants based on the content of their posts: the last-place participant will receive +1 charm, the second-to-last +2 charm, and so on, with the highest score earning +5 charm. http://bbs.hcbbs.com/thread-1381938-1-1.html Earning wealth by inviting friends http://bbs.hcbbs.com/thread-1389240-1-1.html [Mechanical Section] Collection of essential knowledge 【Seeking manufacturer sponsorship】 (long-term campaign)