Plate & Bar Technical Data PH Stainless Plate Grade 15—5Grade 17—4 PH Stainless Bar Grade 15-5 Alloy Plate Grade 4130 ACQGrade 4140Grade 4340 ACQ or E4340Grade 6150Grade 8620 Alloy Bar Grade 300MGrade 4330 MODGrade 4340 VAR Tool Steel Plate Grade A2Grade A6Grade H13Grade O1Grade S7Grade A8 Stainless Plate Grade 416SSGrade 420SS Carbon Plate Grade 1060