EP 4146838 A1 20230315 - A NEW BAINITIC STEEL
Title (en)
A NEW BAINITIC STEEL
Title (de)
BAINITISCHER STAHL
Title (fr)
NOUVEL ACIER BAINITIQUE
Publication
Application
Priority
- EP 20173354 A 20200506
- EP 2021062067 W 20210506
Abstract (en)
[origin: WO2021224423A1] The present disclosure relates to a new bainitic steel to be used for manufacturing a drill component, such as a drill rod, or in any other components wherein such steels are useful. The present disclosure further relates to a drill component comprising the bainitic steel. The bainitic steel comprises the following composition in weight %: C 0.33 to 0.40; Si 0.60 to 1.45; Mn 0.25 to ≤ 0.80; P ≤ 0.03; S ≤ 0.03; Cr 1.00 to 1.50; Ni 0.10 to 0.60; Mo 0.40 to 0.80; N ≤ 0.020; Al ≤ 0.05; balance Fe and unavoidable impurities.
IPC 8 full level
C21D 6/00 (2006.01); C21D 8/06 (2006.01); C21D 9/22 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/52 (2006.01); E21B 17/00 (2006.01)
CPC (source: EP)
C21D 6/00 (2013.01); C21D 6/004 (2013.01); C21D 8/06 (2013.01); C21D 8/065 (2013.01); C21D 9/22 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/52 (2013.01)
Citation (search report)
See references of WO 2021224423A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2021224423 A1 20211111; BR 112022022553 A2 20221213; CN 115552051 A 20221230; EP 4146838 A1 20230315; JP 2023525516 A 20230616
DOCDB simple family (application)
EP 2021062067 W 20210506; BR 112022022553 A 20210506; CN 202180033253 A 20210506; EP 21724278 A 20210506; JP 2022567260 A 20210506