Carbon steel is the most commonly used material for hardware fastener, accounting for more than 90% of fasteners. Due to its outstanding machining property, carbon steel can be hardened and welded, with its strength improved through cold processing. In addition, it is inexpensive compared to other common fastener materials.
Carbon steel is divided into 3 types based on carbon content: low-carbon steel, medium-carbon steel and high-carbon steel. Among them, low-carbon steel is the first choice for electronic screws for its low price, plus easy cold heading and heat treating.
Types:1006、1008、1020、1022、Q235、Q195、35 Steel、45 steel、10B21、SCM435、65Mn、40Cr、42CrMo、12L15、SPCC、SK5、etc.
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