JIS G3441 Alloy Steel Tubes for General Structural PurposeJIS G3441, JIS G3441 SCM415TK, JIS G3441 SCM418TK, JIS G3441 SCM420TK, JIS G3441 SCM430TK, JIS G3441 SCM435TK, JIS G3441 SCM440TK, JIS G3441 SCr420TK, steel tube, steel tubes JIS G3441 alloy steel tubes are widely used in mechanical structure, natural gas, oil, water transportation, chemical fertilizer equipment with boiler ect.Application of JIS G3441 alloy steel tubes:mechanical structure, natural gas, oil, water transportation, chemical fertilizer equipment with boiler, petroleum cracking, geological drilling, oil drilling, etc.Quality Standard and Steel Grade:JIS G3441 SCr420TKJIS G3441 SCM415TKJIS G3441 SCM418TKJIS G3441 SCM420TKJIS G3441 SCM430TKJIS G3441 SCM435TKJIS G3441 SCM440TK
