ASTM A572 Grade50,55,60 HSLA Structural Steel PlateAGICOASTM A572 Carbon Steel Plate ASTM A572 Specification refers to HighStrength LowAlloy Steel Plate for structural building, among the 5 steel grades of 42, 50, 55, 60 and 65, Grade 50 is one most common steel in applications where need more strength and less weight, use steel plate of this grade other than ordinary carbon steel will make
gb t 3077 20crmo grade - ASTM A516 Steel PlatesDescription:China Steel Grade Standard GB/T 3077 20Cr Alloy Structure Steelis a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality low carbon,Low alloy chromium, molybdenum, nickel case hardening steel. Oil Quenched & Tempered Hardness is 28-34 HRc.China Steel Grade Standard GB/T 3077 20Cr All
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