JP4788101B2 - 冷間引抜鋼管の製造方法 - Google Patents
冷間引抜鋼管の製造方法 Download PDFInfo
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- JP4788101B2 JP4788101B2 JP2003423306A JP2003423306A JP4788101B2 JP 4788101 B2 JP4788101 B2 JP 4788101B2 JP 2003423306 A JP2003423306 A JP 2003423306A JP 2003423306 A JP2003423306 A JP 2003423306A JP 4788101 B2 JP4788101 B2 JP 4788101B2
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- Prior art keywords
- alkali metal
- metal salt
- steel pipe
- cold
- lubricating oil
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims description 70
- 239000010959 steel Substances 0.000 title claims description 70
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 229910052783 alkali metal Inorganic materials 0.000 claims description 76
- -1 alkali metal salt Chemical class 0.000 claims description 75
- 239000010687 lubricating oil Substances 0.000 claims description 70
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 50
- 239000004327 boric acid Substances 0.000 claims description 42
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 41
- 238000010622 cold drawing Methods 0.000 claims description 40
- 238000000576 coating method Methods 0.000 claims description 39
- 239000011248 coating agent Substances 0.000 claims description 38
- 239000002585 base Substances 0.000 claims description 29
- 239000007864 aqueous solution Substances 0.000 claims description 26
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000000137 annealing Methods 0.000 description 46
- 238000000034 method Methods 0.000 description 37
- 239000003921 oil Substances 0.000 description 35
- 235000019198 oils Nutrition 0.000 description 35
- 238000011282 treatment Methods 0.000 description 21
- 238000005461 lubrication Methods 0.000 description 16
- 206010010904 Convulsion Diseases 0.000 description 15
- 230000001050 lubricating effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 239000005069 Extreme pressure additive Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000012545 processing Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000005979 thermal decomposition reaction Methods 0.000 description 4
- 239000002199 base oil Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000003925 fat Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 229940061607 dibasic sodium phosphate Drugs 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
- 235000019197 fats Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 2
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 2
- 229910000165 zinc phosphate Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 235000019482 Palm oil Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007739 conversion coating Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 229940001496 tribasic sodium phosphate Drugs 0.000 description 1
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000010698 whale oil Substances 0.000 description 1
Images
Landscapes
- Metal Extraction Processes (AREA)
- Lubricants (AREA)
Description
(a)優れた表面性状として、熱処理で発生するスケールを抑制し、鋼管表面のスケール厚さを薄くすることが必要になる。具体的には、冷間引抜加工を行い、最終熱処理を施した後に、鋼管表面のスケール厚さを0.5〜10μmにコントロールする。
(b)効率的に高強度を確保するため、冷間引抜加工により生じた加工歪が鋼管に残留するように、低温焼鈍を採用する。このとき、後述する理由から、加熱温度は650℃以下とする。
(c)優れた表面性状、表面品質を確保するため、鋼管表面に焼鈍残渣の付着、残存による汚れがないことが必要になる。具体的な目安としては、焼鈍残渣の付着量が3g/m2以下である。
(1)S含有量が10〜30質量%であり、塗布時の粘度が5×10-5〜2×10-4m2/s(50〜200cSt)であることを特徴とする冷間引抜用の潤滑油である。
(2)浸漬された素管の内外面に形成されたホウ酸のアルカリ金属塩被膜と、その被膜表面に塗布され、S含有量が10〜30質量%、および塗布時の粘度が5×10-5〜2×10-4m2/s(50〜200cSt)である潤滑油とで構成されたことを特徴とする冷間引抜用の潤滑被膜である。
(3)素管をホウ酸のアルカリ金属塩を含有する水溶液に浸漬して、前記素管の内外面にホウ酸のアルカリ金属塩被膜を形成し、その被膜表面にS含有量が10〜30質量%、および塗布時の粘度が5×10-5〜2×10-4m2/s(50〜200cSt)である潤滑油を塗布して冷間引抜加工を行った後、炉内雰囲気にCO含有ガスを供給しながら650℃以下で熱処理を施すことを特徴とする冷間引抜鋼管の製造方法である。
1.アルカリ金属塩の被膜形成
潤滑油の下地処理として、素管をホウ酸のアルカリ金属塩を含有する水溶液に浸漬して、前記素管の内外面にホウ酸のアルカリ金属塩の被膜を形成する。
2.潤滑油
本発明で採用する潤滑油は、S含有量を10〜30質量%とし、粘度を5×10-5〜2×10-4m2/s(50〜200cSt)とする。
3.低温焼鈍
低温焼鈍は、冷間仕上げ鋼管の高強度を確保するため、冷間引抜加工により生じた加工歪を残留させるために行うものであり、焼鈍温度が高すぎると加工歪みが回復し、加工硬化の効果を得られない。冷間引抜加工を行った鋼管では、焼鈍温度を650℃以下とすることによって、加工硬化の効果を得ることができる。
Claims (4)
- 素管をホウ酸のアルカリ金属塩を含有する水溶液に浸漬して、前記素管の内外面にホウ酸のアルカリ金属塩被膜を形成し、その被膜表面にS含有量が10〜30質量%、および塗布時の粘度が5×10-5〜2×10-4m2/s(50〜200cSt)である潤滑油を塗布して冷間引抜加工を行った後、炉内雰囲気にCO含有ガスを供給しながら650℃以下で熱処理を施すことを特徴とする冷間引抜鋼管の製造方法。
- 前記ホウ酸のアルカリ金属塩を含有する水溶液の代わりにリン酸のアルカリ金属塩を含有する水溶液を用い、素管の内外面にリン酸のアルカリ金属塩被膜を形成することを特徴とする請求項1に記載の冷間引抜鋼管の製造方法。
- 前記ホウ酸のアルカリ金属塩を含有する水溶液の代わりにホウ酸のアルカリ金属塩およびリン酸のアルカリ金属塩を含有する水溶液を用い、素管の内外面にホウ酸のアルカリ金属塩およびリン酸のアルカリ金属塩被膜を形成することを特徴とする請求項1に記載の冷間引抜鋼管の製造方法。
- 前記熱処理後の引抜管表面における残渣が3g/m2以下であることを特徴とする請求項1〜3のいずれかに記載の冷間引抜鋼管の製造方法。
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Families Citing this family (4)
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JP4899056B2 (ja) * | 2006-12-21 | 2012-03-21 | 国立大学法人大阪大学 | 塑性加工用潤滑方法および塑性加工方法ならびに加工材 |
JP5682021B2 (ja) * | 2010-05-25 | 2015-03-11 | 日本パーカライジング株式会社 | 難結晶性を有し、耐吸湿性、耐食性及び加工性に優れる金属材料塑性加工用水系潤滑剤及びその潤滑皮膜を形成させた金属材料 |
KR101384010B1 (ko) | 2010-06-15 | 2014-04-09 | 신닛테츠스미킨 카부시키카이샤 | 금속관의 인발 가공 방법 및 이를 이용하는 금속관의 제조 방법 |
CN112044965A (zh) * | 2020-08-21 | 2020-12-08 | 南通市华星钢丝制品有限公司 | 一种基于拉拔工艺快速制备5g通迅丝材的方法 |
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JPS62161896A (ja) * | 1986-01-10 | 1987-07-17 | Idemitsu Kosan Co Ltd | 潤滑油およびこれを用いた管または棒の冷間抽伸方法 |
JPH02300294A (ja) * | 1989-05-16 | 1990-12-12 | Sumitomo Metal Ind Ltd | 鋼板用冷間圧延油及びそれを用いた圧延方法 |
JPH09295038A (ja) * | 1996-05-08 | 1997-11-18 | Sumitomo Metal Ind Ltd | 炭素鋼鋼管の冷間引抜き法および製造方法 |
JP2000104089A (ja) * | 1998-09-30 | 2000-04-11 | Nippon Parkerizing Co Ltd | 冷間圧延油用添加剤および冷間圧延油 |
JP2001348586A (ja) * | 2000-06-05 | 2001-12-18 | Idemitsu Kosan Co Ltd | 塑性加工用潤滑油組成物 |
JP3772672B2 (ja) * | 2000-12-22 | 2006-05-10 | 住友金属工業株式会社 | 冷間引抜管の製造方法 |
JP4687845B2 (ja) * | 2001-03-22 | 2011-05-25 | Jx日鉱日石エネルギー株式会社 | 塑性加工用潤滑油組成物 |
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