Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Barnes Group Inc. of our report dated February 22, 2022relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in Barnes Group Inc.'s Annual Report on Form 10-K for the year ended December 31, 2021.

/s/ PricewaterhouseCoopers LLP
Hartford, Connecticut

July 14, 2022