We carry a large selection of 4130, 4330, 4340, 4620, 6150, 8740, and Nitriding Steel. However, we also carry a selection of alloy steel aircraft bar such as 9310 52100, D6AC, H-11, HY-TUF in a variety of additional specifications. We also offer cut to length on our modern bar saws and heat treated to your desired tempers. Please review our selection of alloy steel aircraft bars or please contact our professional sales staff for personalized attention and quotation on your next requirement.