• JIS G3441 Alloy Steel Tube
    JIS G3441 Alloy steel tubes for machine purposesJIS G3441 specifies alloy steel pipes (hereafter referred to as pipes) used for machinery, automobiles and other machine parts.JIS G3441Alloy steel tubes dimension:Grade: SCr420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM435TK, SCM440TKOD: 38
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