Tool Steel Data Book Heat Treat Foil Wrap Uses & Heat Treat Data: AISI-A2 Sizes & Grades Available: AISI-A6 Ground Flat Stock AISI-A8 Drill Rod AISI-A10 Drill Rod Metric AISI-D2 Drill Rod Cold Drawn Rectangles AISI-D3 AISI-D7 Available Sizes - Decarb Free Flats & Rounds: AISI-O1 AISI-A2 AISI-O6 AISI-A6 AISI-S5 AISI-A8 AISI-S7 AISI-A10 AISI-H13 AISI-D2 AISI-M2 AISI-D3 AISI-4140PH AISI-D7 MARSHALLOY MQ Ò 4142PH AISI-O1 AISI-O6 Effects of Alloying Elements AISI-S5 AISI-S7 Fractions & Decimals of an Inch AISI-H13 AISI-M2 Metric Conversion Decimal Equivalents AISI-4140PH MARSHALLOY MQ Ò 4142PH Weights of Rounds per Inch & Flat Formula Other Grades Available upon Request Decarb Limits Custom Forgings Hardness Conversion Table Tool Steel Selector PVS Color Code Chart Atloy Z Sizes & Data Drill Rod - Standard Color Markings Abrasalloy Sizes & Data