Title: Lubricating oil for cold drawing and lubricating coating film, and method for producing cold-drawn steel pipe
Application Number: 200380110892 Application Date: 2003.12.22
Publication Number: 1886208 Publication Date: 2006.12.27
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: B21C9/00,C10M171/00,C10M171/02,C10N10/02,C10N20/06,C10N40/24,C10N80/00
Applicant(s) Name: Sumitomo Metal Industries, Ltd. Address:
Inventor(s) Name: Beppu Kenichi, Suzuki Takeaki
Attorney & Agent: liu xinyu
Abstract:
     A first lubricating oil for cold drawing, which has an S content of 3 mass % or less and a viscosity of 5 X 10
Time: 7