Exhibit

We hereby consent to the incorporation by reference in the Registration Statements 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, 333-186361, and 333-214151) and Form S-3ASR (No. 333-182121 and 333-214152) of Carpenter Technology Corporation of our report dated August 29, 2019 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.