High chromium martensitic steel pipe having excellent pitting re

Details High chromium martensitic steel pipe having excellent pitting re High chromium martensitic steel pipe having excellent pitting re

1996-04-19

1999-01-12

Ip, Sikyin

Metal treatment

Stock

Ferrous

148326, 420 60, C22C 3818

Patent

active

058581286

ABSTRACT:
A high-Cr martensitic steel pipe having excellent pitting resistance and method for manufacturing the same, which involves forming a pipe of steel including C: about 0.03 wt % or less, Si: about 0.5 wt % or less, Mn: about 0.5-3.0 wt %, Cr: about 10.0-14.0 wt %, Ni: about 0.2-2.0 wt %, Cu: about 0.2-1.0 wt % and N: about 0.03 wt % or less with the balance being Fe and incidental impurities, and having a value X shown as defined in the following formula (1) of about 12.2 or more. The pipe is quenched after austenitizing it at a temperature substantially equal to an Ac.sub.3 point or higher, and the pipe is tempered in a temperature range from about 550.degree. C. or higher to a temperature lower than an Ac.sub.1 point.

Affiliated with

Also associated with

Rating

High chromium martensitic steel pipe having excellent pitting re does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High chromium martensitic steel pipe having excellent pitting re, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High chromium martensitic steel pipe having excellent pitting re will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1510478