SE9403773L - Screw as well as ways to manufacture and process a screw - Google Patents
Screw as well as ways to manufacture and process a screwInfo
- Publication number
- SE9403773L SE9403773L SE9403773A SE9403773A SE9403773L SE 9403773 L SE9403773 L SE 9403773L SE 9403773 A SE9403773 A SE 9403773A SE 9403773 A SE9403773 A SE 9403773A SE 9403773 L SE9403773 L SE 9403773L
- Authority
- SE
- Sweden
- Prior art keywords
- screw
- maximum
- ways
- manufacture
- well
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 3
- 238000005121 nitriding Methods 0.000 abstract 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract 2
- 239000010935 stainless steel Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 239000010955 niobium Substances 0.000 abstract 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
-
- C—CHEMISTRY; METALLURGY
- C23—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
- C23C—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
- C23C8/00—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
- C23C8/06—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 using gases
- C23C8/36—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 using gases using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/04—Hardening by cooling below 0 degrees Celsius
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A screw consisting mainly of stainless steel with a head (6) and a shank (7) with a point (2) and at least one threaded portion, characterized in that the stainless steel contains a maximum of 0.1 % C, preferably a maximum of 0.08 % C, in that it is stabilized with at least one of the elements niobium, tantalum and titanium in a total content amounting to at least 5 times the carbon content, but a maximum of 1 %, and in that at least the screw point (2) and a length (8) of said at least one threaded part have a surface-hardening layer (3) produced by ion nitriding, which has a thickness of 0.01-0.2 mm and a hardness of at least 900 HV, preferably 1000-1300 HV. The invention also relates to production of a stainless screw by means of a method which comprises ion nitriding.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403773A SE9403773L (en) | 1994-11-02 | 1994-11-02 | Screw as well as ways to manufacture and process a screw |
AU38615/95A AU3861595A (en) | 1994-11-02 | 1995-10-25 | A screw and method for the manufacturing and treatment of a screw |
PCT/SE1995/001264 WO1996014514A1 (en) | 1994-11-02 | 1995-10-25 | A screw and method for the manufacturing and treatment of a screw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403773A SE9403773L (en) | 1994-11-02 | 1994-11-02 | Screw as well as ways to manufacture and process a screw |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9403773D0 SE9403773D0 (en) | 1994-11-02 |
SE9403773L true SE9403773L (en) | 1996-05-03 |
Family
ID=20395841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9403773A SE9403773L (en) | 1994-11-02 | 1994-11-02 | Screw as well as ways to manufacture and process a screw |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3861595A (en) |
SE (1) | SE9403773L (en) |
WO (1) | WO1996014514A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9614303D0 (en) * | 1996-07-08 | 1996-09-04 | Nsk Rhp Europe Technology Co Ltd | Surface treatment of bearing steels |
JP2002323023A (en) * | 2001-04-25 | 2002-11-08 | Aoyama Seisakusho Co Ltd | Thereaded fastener |
JP4851121B2 (en) * | 2005-06-13 | 2012-01-11 | 本田技研工業株式会社 | Screw and screw fastening structure |
JP5746832B2 (en) * | 2010-06-07 | 2015-07-08 | 株式会社田中 | Stainless steel screws |
DE102010055210A1 (en) * | 2010-12-20 | 2012-06-21 | Ejot Gmbh & Co. Kg | Low alloy carbon steel screw and method of making such a screw |
TWI714846B (en) * | 2018-05-09 | 2021-01-01 | 國聯螺絲工業股份有限公司 | Nitriding heat treatment process for 300 series stainless steel screw fasteners |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5872711A (en) * | 1981-10-27 | 1983-04-30 | 有限会社新城製作所 | Drill screw consisting of austenite group stainless steel |
ATE117742T1 (en) * | 1991-07-18 | 1995-02-15 | Daido Oxygen | SCREW MADE OF HARD STAINLESS STEEL AUSTENITIC STEEL. |
-
1994
- 1994-11-02 SE SE9403773A patent/SE9403773L/en not_active Application Discontinuation
-
1995
- 1995-10-25 WO PCT/SE1995/001264 patent/WO1996014514A1/en active Application Filing
- 1995-10-25 AU AU38615/95A patent/AU3861595A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU3861595A (en) | 1996-05-31 |
SE9403773D0 (en) | 1994-11-02 |
WO1996014514A1 (en) | 1996-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9403773-6 |