EXHIBIT 23.1
                       CONSENT OF INDEPENDENT ACCOUNTANTS



We hereby consent to the incorporation by reference in this Registration
Statement on Form S-8 of our report dated March 3, 2003 relating to the
financial statements and financial statement schedule of Oregon Steel Mills,
Inc., which appears in Oregon Steel Mills, Inc.'s Annual Report on Form 10-K
for the year ended December 31, 2003.

/s/ PricewaterhouseCoopers LLP


Portland, Oregon
March 18, 2004