UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report: February 26, 2018

CARPENTER TECHNOLOGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	1-5828	23-0458500
(State of or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer I.D. No.)

1735 Market Street Philadelphia, Pennsylvania		19103
(Address of principal executive offices)		(Zip Code)

	(610) 208-2000
Registrant’s telephone number, including area code

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b.2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 7.01 — Regulation FD Disclosure.

On February 26, 2018, Carpenter Technology Corporation issued a press release announcing the purchase of substantially all of the assets and business of MB CalRAM LLC, a leader in powder-bed fusion additive manufacturing technologies used in the aerospace, defense, power generation, and oil and gas industries. A copy of the press release is furnished as Exhibit 99.1 to this Form 8-K and shall not be deemed to be “filed” for any purpose.

Item 9.01 - Financial Statements and Exhibits

(d) Exhibits

Exhibit No.		Description

99.1		Press Release regarding acquisition, dated February 26, 2018

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	CARPENTER TECHNOLOGY CORPORATION

	By	/s/ James D. Dee
		James D. Dee
		Vice President, General Counsel and Secretary

Date: February 28, 2018