公开(公告)号：US3674577A

公开(公告)日：1972-07-04

申请号：US3674577D

申请日：1969-09-18

Applicant: HUETTENWERK OBERHAUSEN AG

Inventor： DEGENKOLBE JOACHIM ,  MUSGEN BRUNO

IPC: C22C38/08 ,  C21D1/00 ,  B23P11/00

CPC classification number: C22C38/08 ,  Y10T428/12965

Abstract: A WELDED STEEL STRUCTURE, ESPECIALLY FOR LOW TEMPERATURE OR CRYOGENIC INSTALLATION CONSISTING OF WATER-QUENCHED OR OIL-QUENCHED (TEMPERED OR HARDENED) STEEL BODIES OF THE FOLLOWING COMPOSITION BY WEIGHT:

0.06 TO 0.25% CARBON; UP TO 0.60% SILICON; 0.40 TO 1.60% MANGANESE; UP TO 3.5% NICKEL; UP TO 1.0% CHROMIUM; UP TO 0.20% YANADIUM; UP TO 0.5% MOLYBDENUM; AND BALANCE IRON.

UPON WELDING THE BODY IS FOUND TO BE FREE FROM DUCTILITY OR TOUGHNESS MINIMUM, AS MEASURED BY THE NOTCHED-BODY IMPACT TECHNIQUE OR DROP-WEIGHT TEST AT A LOCATION FROM ABOUT 3-10 MM. FROM THE WELD SEAM.