Steel grade designation: XXBXX

Steel grade designation: 10XX, 11XX,15XX

Grade Designation: 4XX

Grade Designation: 50XX, 51XX, 50XXX, 51XXX. 52XXX

Grade Designation: 41XX, PSXX (formerly EX grades)

Per specification AMS6304

Grade Designation: 61XX.

Per customer specifications: Impact™, MicroTec®, TIM-6V, WHS-100™ and WHS-130™

Example grades: HS-220-XX, HS-2XX

Example grades: 17-22-XX, 2CR, 5CR, 7CR, 9CR, 9Cr1Mo

Grade Designation: 13XX

Grade Designation: 40XX, 44XX

Grade Designation: 31XX, 32XX, 33XX, 34XX

Grade Designation: 43XX, 43BVXX, 47XX, 81XX, 86XX, 87XX, 88XX, 93XX, 94XX, 97XX, 98XX, PSXX (Formerly EX grades)

Grade Designation: 46XX, 48XX

Grade Designation: Nit135M, Nit #3

Grade Designation: 92XX

Grade Designation: ASTM-A485-X, 52XXX. TBS-9