JP4462378B2 - 内面リブ付鋼管の製造方法 - Google Patents
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C22/00—Chemical 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
- C23C22/05—Chemical 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
- C23C22/06—Chemical 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
- C23C22/07—Chemical 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
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
- B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/16—Mandrels; Mounting or adjusting same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
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- 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
- C23C22/00—Chemical 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
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2245/00—Coatings; Surface treatments
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Description
(1)化成処理された被加工管に冷間引抜加工を施し、管軸方向に複数条の螺旋状リブを形成する内面リブ付鋼管の製造方法であって、前記化成処理が管表面の酸化スケールおよび錆びを取り除く酸洗工程、中和された管表面に燐酸亜鉛皮膜を形成する工程、および前記燐酸亜鉛皮膜の表面に潤滑層を形成する工程からなり、前記螺旋状リブを形成するための引抜加工に際し、前記被加工管の内表面における化成処理皮膜が燐酸亜鉛皮膜、並びにこの燐酸亜鉛皮膜にステアリン酸ソーダを反応させて形成させた金属石鹸層および未反応のNa石鹸層とからなり、その総厚さが10〜100μmであることを特徴とする内面リブ付鋼管の製造方法である。
図2は、本発明の内面リブ付鋼管の製造方法に適用できる化成処理の工程例を示す図である。
図3は、化成処理により燐酸亜鉛皮膜の表面に潤滑層が形成された素管表面の断面構成を示す図である。
3Zn(H2PO4)+2Fe→Zn3(PO4)2+2Fe(H2PO4)2+H2
・・・ (1)
Zn3(PO4)2+6C17H35COONa→3Zn(C17H35COO)2+2Na3PO4
・・・ (2)
本発明の内面リブ付鋼管の製造方法の効果を確認するため、鋼種がJIS STBA22(1Cr−1/2Mo鋼)である継目無鋼管を素管として用いて、素管軟化−酸洗・潤滑処理−途中引抜加工(円仕上げ)−軟化の工程を経た後、引抜加工により4条の螺旋状リブを有する内面リブ付鋼管を製造した。
(実施例2)
Claims (2)
- 化成処理された被加工管に冷間引抜加工を施し、管軸方向に複数条の螺旋状リブを形成する内面リブ付鋼管の製造方法であって、
前記化成処理が管表面の酸化スケールおよび錆びを取り除く酸洗工程、中和された管表面に燐酸亜鉛皮膜を形成する工程、および前記燐酸亜鉛皮膜の表面に潤滑層を形成する工程からなり、
前記螺旋状リブを形成するための引抜加工に際し、前記被加工管の内表面における化成処理皮膜が燐酸亜鉛皮膜、並びにこの燐酸亜鉛皮膜にステアリン酸ソーダを反応させて形成させた金属石鹸層および未反応のNa石鹸層とからなり、その総厚さが10〜100μmであることを特徴とする内面リブ付鋼管の製造方法。 - 請求項1に記載の内面リブ付鋼管の製造方法であって、前記被加工管は炭素鋼および低合金鋼(例えば、JIS G 3462 STBA24相当)を用い、冷間引抜加工の仕上寸法を外径28〜70mmとすることを特徴とする内面リブ付鋼管の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007333818 | 2007-12-26 | ||
JP2007333818 | 2007-12-26 | ||
PCT/JP2008/068292 WO2009081639A1 (ja) | 2007-12-26 | 2008-10-08 | 内面リブ付鋼管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4462378B2 true JP4462378B2 (ja) | 2010-05-12 |
JPWO2009081639A1 JPWO2009081639A1 (ja) | 2011-05-06 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008548386A Active JP4462378B2 (ja) | 2007-12-26 | 2008-10-08 | 内面リブ付鋼管の製造方法 |
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JP (1) | JP4462378B2 (ja) |
WO (1) | WO2009081639A1 (ja) |
Families Citing this family (2)
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CN105834237B (zh) * | 2016-03-29 | 2018-02-09 | 重庆钢铁(集团)有限责任公司 | 一种减少冷拔道次的荒管化学处理方法 |
CN109652789B (zh) * | 2019-03-04 | 2020-09-11 | 安徽盛元合同能源管理有限责任公司 | 一种锅炉内壁表面的处理方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0819814A (ja) * | 1994-07-01 | 1996-01-23 | Sumitomo Metal Ind Ltd | 鋼管の冷間抽伸方法および装置 |
JP2001179327A (ja) * | 1999-12-17 | 2001-07-03 | Sumitomo Metal Ind Ltd | ライフルチューブ抽伸用プラグ |
JP2002275651A (ja) * | 2001-03-16 | 2002-09-25 | Honda Motor Co Ltd | ステンレス鋼の潤滑皮膜処理方法 |
JP2002371293A (ja) * | 2001-06-14 | 2002-12-26 | Nippon Parkerizing Co Ltd | 潤滑性に優れる鋼線又は鋼線材 |
-
2008
- 2008-10-08 WO PCT/JP2008/068292 patent/WO2009081639A1/ja active Application Filing
- 2008-10-08 JP JP2008548386A patent/JP4462378B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0819814A (ja) * | 1994-07-01 | 1996-01-23 | Sumitomo Metal Ind Ltd | 鋼管の冷間抽伸方法および装置 |
JP2001179327A (ja) * | 1999-12-17 | 2001-07-03 | Sumitomo Metal Ind Ltd | ライフルチューブ抽伸用プラグ |
JP2002275651A (ja) * | 2001-03-16 | 2002-09-25 | Honda Motor Co Ltd | ステンレス鋼の潤滑皮膜処理方法 |
JP2002371293A (ja) * | 2001-06-14 | 2002-12-26 | Nippon Parkerizing Co Ltd | 潤滑性に優れる鋼線又は鋼線材 |
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JPWO2009081639A1 (ja) | 2011-05-06 |
WO2009081639A1 (ja) | 2009-07-02 |
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