GB2077762A - Zn-coated Wire - Google Patents

Zn-coated Wire Download PDF

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Publication number
GB2077762A
GB2077762A GB8115198A GB8115198A GB2077762A GB 2077762 A GB2077762 A GB 2077762A GB 8115198 A GB8115198 A GB 8115198A GB 8115198 A GB8115198 A GB 8115198A GB 2077762 A GB2077762 A GB 2077762A
Authority
GB
United Kingdom
Prior art keywords
rod
weight
wire
diameter
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB8115198A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CONCORDE STEELWIRES Pte Ltd
Original Assignee
CONCORDE STEELWIRES Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CONCORDE STEELWIRES Pte Ltd filed Critical CONCORDE STEELWIRES Pte Ltd
Priority to GB8115198A priority Critical patent/GB2077762A/en
Publication of GB2077762A publication Critical patent/GB2077762A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coating With Molten Metal (AREA)

Abstract

A coated wire consisting of: carbon from 0.08 to 0.15% by weight, manganese from 0.30 to 0.60% by weight, silicon from 0.15 to 0.30% by weight, sulphur from zero to 0.04% by weight, phosphorus from zero to 0.04% by weight, iron balance is made by a process comprising the following steps: (a) descaling a rod of an alloy having the composition defined above; (b) phosphating the said rod by treatment with phosphoric acid; (c) drawing the phosphated rod to reduce the diameter thereof; (d) heat-treating the drawn rod; (e) pickling the heat-treated rod; (f) galvanising the pickled rod by hot-dipping in a bath of molten zinc; and, (g) wet-drawing the galvanised rod to the final required diameter.

Description

SPECIFICATION Coated Wire This invention relates to coated wire for use, particularly, but not exclusively, for the manufacture of furniture, and to a method for the production of such wire.
According to the present invention, there is provided coated wire comprising galvanised wire composed of an alloy consisting of: carbon from 0.8 to 0. 15% by weight, manganese from 0.30 to 0.60% by weight, silicon from 0.15 to 0.30% by weight, sulphur from zero to 0.04% by weight, phosphorus from zero to 0.04% by weight, iron, balance.
A suitable diameter for the wire is from 0.70 to 0.90 mm.
The galvanisation is preferably carried out by hot-dipping in a bath of molten zinc.
Further according to the present invention there is provided a method of producing the wire of the invention, comprising the sequential steps of: (a) descaling a rod of an alloy having the composition defined above; (b) phosphating the said rod by treatment with phosphoric acid; (c) drawing the phosphated rod to reduce the diameter thereof; (d) heat-treating the drawn rod; (e) pickling the heat-treated rod; (f) galvanising the pickled rod by hot-dipping in a bath of molten zinc; and, (g) wet-drawing the galvanised rod to the final required diameter.
By way of example, the rod may have an initial diameter of 5.5 mm which reduces in the first drawing step defined as step (c) above to a diameter of from 2.2 to 2.6 mm, and, in the final step, step (g) defined above, a final finished diameter of from 0.7 to 0.9 mm is formed.
The pickling, required by step (e) above, may be effected by treatment with hydrochloric acid followed, preferably, by water washing and drying prior to the galvanising step, step (f).
The wetdrawing in step (g) gives a smooth, bright finish to the wire, making it suitable for use in the manufacture of furniture articles where appearance is important.
A suitable material for the wire is mild steel to Japanese standard J1S G 3505 of SWRM 6.
The wire is softened by the heat-treatment.
Claims
1. Coated wire comprising galvanised wire composed of an alloy consisting of: carbon from 0.8 to 0.15% by weight, manganese from 0.30 to 0.60% by weight, silicon from 0.15 to 0.30% by weight, sulphur from zero to 0.04 by weight, phosphorus from zero to 0.04% by weight, iron, balance.
2. A method of producing the wire of the invention, comprising the sequential steps of: (a) descaiing a rod of an alloy having the composition defined above; (b) phosphating the said rod by treatment with phosphoric acid; (c) drawing the phosphated rod to reduce the diameter thereof; (d) heat-treating the drawn rod; (e) pickling the heat-treated rod; (f) galvanising the pickled rod by hot-dipping in a bath of molten zinc; and, (g) wet-drawing the galvanised rod to the final required diameter.
3. A method according to claim 2, in which the galvanisation is carried out by hot-dipping in a bath of molten zinc.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (3)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Coated Wire This invention relates to coated wire for use, particularly, but not exclusively, for the manufacture of furniture, and to a method for the production of such wire. According to the present invention, there is provided coated wire comprising galvanised wire composed of an alloy consisting of: carbon from 0.8 to 0. 15% by weight, manganese from 0.30 to 0.60% by weight, silicon from 0.15 to 0.30% by weight, sulphur from zero to 0.04% by weight, phosphorus from zero to 0.04% by weight, iron, balance. A suitable diameter for the wire is from 0.70 to 0.90 mm. The galvanisation is preferably carried out by hot-dipping in a bath of molten zinc. Further according to the present invention there is provided a method of producing the wire of the invention, comprising the sequential steps of: (a) descaling a rod of an alloy having the composition defined above; (b) phosphating the said rod by treatment with phosphoric acid; (c) drawing the phosphated rod to reduce the diameter thereof; (d) heat-treating the drawn rod; (e) pickling the heat-treated rod; (f) galvanising the pickled rod by hot-dipping in a bath of molten zinc; and, (g) wet-drawing the galvanised rod to the final required diameter. By way of example, the rod may have an initial diameter of 5.5 mm which reduces in the first drawing step defined as step (c) above to a diameter of from 2.2 to 2.6 mm, and, in the final step, step (g) defined above, a final finished diameter of from 0.7 to 0.9 mm is formed. The pickling, required by step (e) above, may be effected by treatment with hydrochloric acid followed, preferably, by water washing and drying prior to the galvanising step, step (f). The wetdrawing in step (g) gives a smooth, bright finish to the wire, making it suitable for use in the manufacture of furniture articles where appearance is important. A suitable material for the wire is mild steel to Japanese standard J1S G 3505 of SWRM 6. The wire is softened by the heat-treatment. Claims
1. Coated wire comprising galvanised wire composed of an alloy consisting of: carbon from 0.8 to 0.15% by weight, manganese from 0.30 to 0.60% by weight, silicon from 0.15 to 0.30% by weight, sulphur from zero to 0.04 by weight, phosphorus from zero to 0.04% by weight, iron, balance.
2. A method of producing the wire of the invention, comprising the sequential steps of: (a) descaiing a rod of an alloy having the composition defined above; (b) phosphating the said rod by treatment with phosphoric acid; (c) drawing the phosphated rod to reduce the diameter thereof; (d) heat-treating the drawn rod; (e) pickling the heat-treated rod; (f) galvanising the pickled rod by hot-dipping in a bath of molten zinc; and, (g) wet-drawing the galvanised rod to the final required diameter.
3. A method according to claim 2, in which the galvanisation is carried out by hot-dipping in a bath of molten zinc.
GB8115198A 1980-06-13 1981-05-18 Zn-coated Wire Withdrawn GB2077762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8115198A GB2077762A (en) 1980-06-13 1981-05-18 Zn-coated Wire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8019416 1980-06-13
GB8115198A GB2077762A (en) 1980-06-13 1981-05-18 Zn-coated Wire

Publications (1)

Publication Number Publication Date
GB2077762A true GB2077762A (en) 1981-12-23

Family

ID=26275864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115198A Withdrawn GB2077762A (en) 1980-06-13 1981-05-18 Zn-coated Wire

Country Status (1)

Country Link
GB (1) GB2077762A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784922A (en) * 1985-10-11 1988-11-15 Mitsubishi Steel Mfg. Co., Ltd. Corrosion-resistant clad steel and method for producing the same
EP0839215A1 (en) * 1995-07-11 1998-05-06 Tubemakers Of Australia Limited Roll forming structural steel profiles with galvanised coating
WO2000036177A1 (en) * 1998-12-15 2000-06-22 N.V. Bekaert S.A. Steel wire with bright looking surface
EP4328346A1 (en) * 2022-08-22 2024-02-28 Balak Coatings nv Method for pre-treating a galvanized fence panel for coating

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784922A (en) * 1985-10-11 1988-11-15 Mitsubishi Steel Mfg. Co., Ltd. Corrosion-resistant clad steel and method for producing the same
EP0839215A1 (en) * 1995-07-11 1998-05-06 Tubemakers Of Australia Limited Roll forming structural steel profiles with galvanised coating
EP0839215A4 (en) * 1995-07-11 1999-01-20 Tubemakers Australia Roll forming structural steel profiles with galvanised coating
WO2000036177A1 (en) * 1998-12-15 2000-06-22 N.V. Bekaert S.A. Steel wire with bright looking surface
EP1380402A2 (en) * 1998-12-15 2004-01-14 N.V. Bekaert S.A. Steel wire with bright looking surface
EP1380402A3 (en) * 1998-12-15 2004-03-03 N.V. Bekaert S.A. Steel wire with bright looking surface
CN1329550C (en) * 1998-12-15 2007-08-01 贝卡尔特股份有限公司 Steel wire with bright looking surface
EP4328346A1 (en) * 2022-08-22 2024-02-28 Balak Coatings nv Method for pre-treating a galvanized fence panel for coating
BE1030797B1 (en) * 2022-08-22 2024-03-18 Balak Coatings Nv METHOD FOR PREPARING A GALVANIZED FENCE PANEL TO BE COATED

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