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1. (WO2019002044) MARTENSITICALLY HARDENABLE STEEL AND USE THEREOF, IN PARTICUALR FOR PRODUCING A SCREW
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Pub. No.: WO/2019/002044 International Application No.: PCT/EP2018/066405
Publication Date: 03.01.2019 International Filing Date: 20.06.2018
IPC:
C21D 8/02 (2006.01) ,C22C 38/04 (2006.01) ,C22C 38/08 (2006.01) ,C22C 38/18 (2006.01) ,C22C 38/40 (2006.01) ,C22C 38/44 (2006.01) ,C21D 1/74 (2006.01) ,C21D 6/04 (2006.01) ,C21D 9/00 (2006.01) ,C23C 8/26 (2006.01) ,C21D 1/06 (2006.01) ,C21D 1/25 (2006.01)
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
8
Modifying the physical properties by deformation combined with, or followed by, heat treatment
02
during manufacturing of plates or strips
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
04
containing manganese
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
08
containing nickel
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
18
containing chromium
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
18
containing chromium
40
with nickel
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
18
containing chromium
40
with nickel
44
with molybdenum or tungsten
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
1
General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering
74
Methods of treatment in inert gas, controlled atmosphere, vacuum, or pulverulent material
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
6
Heat treatment of ferrous alloys
04
Hardening by cooling below 0 C
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
9
Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
C CHEMISTRY; METALLURGY
23
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
8
Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
06
using gases
08
only one element being applied
24
Nitriding
26
of ferrous surfaces
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
1
General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering
06
Surface hardening
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
1
General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering
18
Hardening; Quenching with or without subsequent tempering
25
Hardening, combined with annealing between 300 C and 600 C, i.e. heat refining ("Vergüten")
Applicants:
HILTI AKTIENGESELLSCHAFT [LI/LI]; Feldkircherstr. 100 9494 Schaan, LI
Inventors:
SCHNEIDER, Roland; AT
BISCHOF, Michael; AT
TOMANDL, Alexander; AT
Priority Data:
17177789.926.06.2017EP
Title (EN) MARTENSITICALLY HARDENABLE STEEL AND USE THEREOF, IN PARTICUALR FOR PRODUCING A SCREW
(FR) ACIER À TREMPE MARTENSITIQUE ET SON UTILISATION, EN PARTICULIER POUR FABRIQUER UNE VIS
(DE) MARTENSITISCH HÄRTBARER STAHL UND DESSEN ANWENDUNG, INSBESONDERE ZUR HERSTELLUNG EINER SCHRAUBE
Abstract:
(EN) The invention relates to a steel comprising 0.07 to 0.14 wt.% ofcarbon, 13 to 15 wt.% ofchromium, 1.3 to 1.7 wt.%of molybdenum, 1.5 to 2.0 wt.%of nickel and 1.0 to 1.5 wt.% ofmanganese and to the use thereof for producing screws.
(FR) L'invention concerne un acier comprenant de 0,07 à 0,14 % en poids de carbone, de 13 à 15 % en poids de chrome, de 1,3 à 1,7 % en poids de molybdène, de 1,5 à 2,0 % en poids de nickel et de 1,0 à 1,5 % en poids de manganèse, ainsi que son utilisation pour fabriquer des vis.
(DE) Die Erfindung betrifft einen Stahl mit 0,07 bis 0,14 gew.-% Kohlenstoff, 13 bis 15 gew.-% Chrom, 1,3 bis 1,7 gew.-% Molybdän, 1,5 bis 2,0 gew.-% Nickel und 1,0 bis 1,5 gew.-% Mangan und dessen Verwendung zum Herstellen von Schrauben.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)