Exhibit

We hereby consent to the incorporation by reference in the Registration Statement on Form S‑8 (Nos. 2-83780, 2-81019, 33-42536, 33-65077, 33-54045, 333-40991, 333-55667, 333-55669, 333-57774, 333-147057, 333-147059, 333-173830, 333-182155, 333-182156 and 333-186361) and Form S-3ASR (No. 333-182121) of Carpenter Technology Corporation of our report dated August 25, 2015 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.