Title:
係留チェーン用鋼および係留チェーン
Document Type and Number:
Japanese Patent JP6919727
Kind Code:
B2
Abstract:
This invention provides a steel for an anchor chain having a chemical composition consisting of, in mass%, C: 0.15 to 0.45%, Si: 0.6% or less, Mn: 1.00 to 2.50%, P: 0.1% or less, S: 0.05% or less, Al: 0.1% or less, N: 0.01% or less, Cu: 0.01 to 1.0%, Ni: 0.01 to 5.0%, Cr: 0.1% or less, Sn: 0 to 0.5%, Sb: 0 to 0.5%, Mo: 0 to 1.0%, W: 0 to 1.0%, V: 0 to 1.0%, Ca: 0 to 0.01%, Mg: 0 to 0.01%, REM: 0 to 0.01%, Nb: 0 to 0.1%, Ti: 0 to 0.1%, B: 0 to 0.01%, and the balance: Fe and impurities, and satisfying the formulas [(1-1.35Cu)(1-0.37Ni)+0.25Cr ≤ 0.80] and [Cu/Ni ≤ 5.0], and also provides an anchor chain that uses the steel for an anchor chain.
Inventors:
Kazuyuki Kashima
Application Number:
JP2019567182A
Publication Date:
August 18, 2021
Filing Date:
January 25, 2019
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C38/00; C21D9/00; C22C38/60
Domestic Patent References:
| JP201795742A |
Foreign References:
| WO2007072836A1 | ||||
| CN1281906A | ||||
| CN104294153A |
Attorney, Agent or Firm:
Patents corporation Blitas