EP1926837A1 - Verfahren zur herstellung von kaltgefertigten präzisionsstahlrohren - Google Patents
Verfahren zur herstellung von kaltgefertigten präzisionsstahlrohrenInfo
- Publication number
- EP1926837A1 EP1926837A1 EP06775881A EP06775881A EP1926837A1 EP 1926837 A1 EP1926837 A1 EP 1926837A1 EP 06775881 A EP06775881 A EP 06775881A EP 06775881 A EP06775881 A EP 06775881A EP 1926837 A1 EP1926837 A1 EP 1926837A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- max
- cold
- tube
- finished
- subjected
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000005275 alloying Methods 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 238000005496 tempering Methods 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000009628 steelmaking Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 238000009863 impact test Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
Definitions
- the invention relates to a method for the production of cold-worked, in particular cold-drawn, precision steel tubes, according to the preamble of claim 1.
- precision steel tubes according to DIN EN 10305 part 1 and 2 are considered in this context, standing standing in the operating state under high internal pressure, for example, cylinder tubes in the hydraulic or pneumatic field application.
- Such produced pipes are characterized in particular by narrow wall thickness and diameter tolerances.
- the starting product may be either a seamless hot-rolled or a hot-rolled strip produced by high-frequency induction welding (HFI welding).
- HFI welding high-frequency induction welding
- this pre-pipe which is referred to as a lump, is pulled to the required finished dimension (diameter, wall thickness) to the finished pipe.
- Steel grades include unalloyed high-quality steels up to E 355 as well as higher-strength grades up to StE 690.
- Hydraulic cylinders control motion sequences in many devices and machines that u. a. can also be used outdoors in the event of large temperature differences.
- the object of the invention is to provide a method for producing cold-finished, in particular cold-drawn precision steel tubes for use in particular as pressurized cylinder tubes, with a simple and cost-effective manner a largely ductile failure of the tube even at temperatures of up to -20 0 C can be achieved safely.
- a method is used in which the pre-pipe is finished in one or more passes, wherein prior to the finishing, the pipe is subjected to a tempering treatment and the steel pipe has the following chemical composition (in%):
- AI 0.020-0.060
- alloying elements depending on the required property profile, d. H. in particular according to the desired mechanical properties, and advantageously have the following contents (in% by weight):
- the tempering treatment itself consists of a classic hardening with subsequent tempering of the pipes. Aligned to the respective material austenitization is carried out at temperatures of about 910-940 0 C, followed by a quenching process forming a hardening structure.
- the quenching can be done on different quenching media, usually the quenching is done by means of water over a water shower.
- the cooling takes place, for example, in still air.
- the tempering treatment takes place, depending on the material at temperatures of approx. 540 - 72O 0 C.
- the advantage of the proposed method is the fact that a very uniform homogeneous structure with excellent toughness is produced by a tempering step before the finish train, which is essentially retained even after the finished draft of the pipe. Investigations showed that the values for the notch impact work at -20 ° C and a 50% shear fracture fraction in the DWT test are excellent at 80 J for transverse samples and 100 J for longitudinal samples.
- the final annealing is advantageously carried out in a temperature range of 500-700 0 C, wherein it should be ensured that the exact temperature setting in dependence on the material properties to be achieved, such. As strength, elongation at break and impact energy work, should take place.
- the material concept of the invention thus allows the operation of hydraulic cylinders in the temperature range to -2O 0 C safely.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Extraction Processes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06775881T PL1926837T3 (pl) | 2005-09-21 | 2006-08-18 | Sposób wytwarzania precyzyjnych rur stalowych formowanych na zimno |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005046459A DE102005046459B4 (de) | 2005-09-21 | 2005-09-21 | Verfahren zur Herstellung von kaltgefertigten Präzisionsstahlrohren |
PCT/DE2006/001457 WO2007033635A1 (de) | 2005-09-21 | 2006-08-18 | Verfahren zur herstellung von kaltgefertigten präzisionsstahlrohren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1926837A1 true EP1926837A1 (de) | 2008-06-04 |
EP1926837B1 EP1926837B1 (de) | 2014-03-12 |
Family
ID=37420849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06775881.3A Active EP1926837B1 (de) | 2005-09-21 | 2006-08-18 | Verfahren zur herstellung von kaltgefertigten präzisionsstahlrohren |
Country Status (12)
Country | Link |
---|---|
US (1) | US20080302452A1 (de) |
EP (1) | EP1926837B1 (de) |
JP (1) | JP5679632B2 (de) |
KR (1) | KR20080063313A (de) |
CN (1) | CN101268203A (de) |
BR (1) | BRPI0616367A8 (de) |
CA (1) | CA2622410C (de) |
DE (1) | DE102005046459B4 (de) |
ES (1) | ES2470674T3 (de) |
PL (1) | PL1926837T3 (de) |
UA (1) | UA88573C2 (de) |
WO (1) | WO2007033635A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE468412T1 (de) * | 2006-06-29 | 2010-06-15 | Tenaris Connections Ag | Nahtlose präzisionsstahlrohre mit verbesserter isotroper schlagzähigkeit bei niedriger temperatur für hydraulische zylinder und herstellungsverfahren dafür |
DE102008010749A1 (de) | 2008-02-20 | 2009-09-24 | V & M Deutschland Gmbh | Stahllegierung für einen niedrig legierten Stahl zur Herstellung hochfester nahtloser Stahlrohre |
FR2939449B1 (fr) | 2008-12-09 | 2011-03-18 | Vallourec Mannesmann Oil & Gas France | Acier faiblement allie a limite d'elasticite elevee et haute resistance a la fissuration sous contrainte par les sulfures. |
FR2942808B1 (fr) * | 2009-03-03 | 2011-02-18 | Vallourec Mannesmann Oil & Gas | Acier faiblement allie a limite d'elasticite elevee et haute resistance a la fissuration sous contrainte par les sulfures. |
CN102560283A (zh) * | 2012-02-21 | 2012-07-11 | 张芝莲 | 一种大口径无缝合金钢管 |
CN102553926A (zh) * | 2012-02-21 | 2012-07-11 | 张芝莲 | 一种大口径无缝合金钢管的制造方法 |
CN102653816B (zh) * | 2012-05-02 | 2014-05-14 | 江苏华程工业制管股份有限公司 | 一种液压缸筒用合金钢管的制备工艺 |
CN103409602A (zh) * | 2013-08-09 | 2013-11-27 | 江苏华程工业制管股份有限公司 | 微脱碳高强度高耐磨缸套用合金钢管的制造方法 |
MX2017005571A (es) * | 2014-10-30 | 2017-06-23 | Jfe Steel Corp | Lamina de acero de alta resistencia y metodo para la fabricacion de la misma. |
CN105081698A (zh) * | 2015-09-01 | 2015-11-25 | 无锡贺邦金属制品有限公司 | 一种钢管的加工方法 |
CN105385948B (zh) * | 2015-11-06 | 2018-06-29 | 天津钢管集团股份有限公司 | 自升钻井平台用屈服强度大于690MPa无缝管的制造方法 |
CN105463311B (zh) * | 2015-12-14 | 2017-11-07 | 徐州徐工液压件有限公司 | 一种高精度冷拔管的制作方法 |
JP6372633B1 (ja) | 2016-11-16 | 2018-08-15 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
CN110616366B (zh) * | 2018-06-20 | 2021-07-16 | 宝山钢铁股份有限公司 | 一种125ksi钢级抗硫油井管及其制造方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2571740B1 (fr) * | 1984-10-12 | 1988-05-06 | Decazeville Expl Siderurgie | Acier au manganese pour, notamment, des tubes de cycles |
JPS61213344A (ja) * | 1985-03-18 | 1986-09-22 | Kawasaki Steel Corp | 高靭性シ−ムレス鋼管 |
JPS62263924A (ja) * | 1986-05-07 | 1987-11-16 | Sumitomo Metal Ind Ltd | 強靭鋼管の製造方法 |
JP3318467B2 (ja) * | 1995-05-29 | 2002-08-26 | 住友金属工業株式会社 | 加工性に優れた高強度高靭性鋼管の製造方法 |
JPH10140250A (ja) * | 1996-11-12 | 1998-05-26 | Sumitomo Metal Ind Ltd | 高強度高靭性エアーバッグ用鋼管の製造方法 |
US6173495B1 (en) * | 1999-05-12 | 2001-01-16 | Trw Inc. | High strength low carbon air bag quality seamless tubing |
JP2001049343A (ja) * | 1999-08-10 | 2001-02-20 | Sumitomo Metal Ind Ltd | 高靭性エアバッグ用電縫鋼管の製造方法 |
DE19942641A1 (de) * | 1999-08-30 | 2001-03-22 | Mannesmann Ag | Verwendung einer Stahllegierung zur Herstellung hochfester nahtloser Stahlrohre |
US20020033591A1 (en) * | 2000-09-01 | 2002-03-21 | Trw Inc. | Method of producing a cold temperature high toughness structural steel tubing |
WO2002079526A1 (fr) * | 2001-03-29 | 2002-10-10 | Sumitomo Metal Industries, Ltd. | Tube en acier a haute resistance pour coussin d'air et procede pour la production de ce tube |
WO2002103070A1 (fr) * | 2001-06-14 | 2002-12-27 | Kawasaki Steel Corporation | Procede de production de tuyaux en acier presentant une tenacite elevee |
JP4186566B2 (ja) * | 2002-09-19 | 2008-11-26 | 住友金属工業株式会社 | 低温靱性に優れたエアバッグ用鋼管の製造方法 |
US20050076975A1 (en) * | 2003-10-10 | 2005-04-14 | Tenaris Connections A.G. | Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
-
2005
- 2005-09-21 DE DE102005046459A patent/DE102005046459B4/de not_active Expired - Fee Related
-
2006
- 2006-08-18 ES ES06775881.3T patent/ES2470674T3/es active Active
- 2006-08-18 CA CA2622410A patent/CA2622410C/en not_active Expired - Fee Related
- 2006-08-18 UA UAA200804698A patent/UA88573C2/ru unknown
- 2006-08-18 US US12/067,756 patent/US20080302452A1/en not_active Abandoned
- 2006-08-18 BR BRPI0616367A patent/BRPI0616367A8/pt not_active IP Right Cessation
- 2006-08-18 WO PCT/DE2006/001457 patent/WO2007033635A1/de active Application Filing
- 2006-08-18 PL PL06775881T patent/PL1926837T3/pl unknown
- 2006-08-18 CN CNA2006800347631A patent/CN101268203A/zh active Pending
- 2006-08-18 EP EP06775881.3A patent/EP1926837B1/de active Active
- 2006-08-18 KR KR1020087009217A patent/KR20080063313A/ko active Search and Examination
- 2006-08-18 JP JP2008531521A patent/JP5679632B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2007033635A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2470674T3 (es) | 2014-06-24 |
EP1926837B1 (de) | 2014-03-12 |
CA2622410A1 (en) | 2007-03-29 |
US20080302452A1 (en) | 2008-12-11 |
CA2622410C (en) | 2015-05-05 |
KR20080063313A (ko) | 2008-07-03 |
DE102005046459A1 (de) | 2007-04-12 |
WO2007033635A1 (de) | 2007-03-29 |
DE102005046459B4 (de) | 2013-11-28 |
JP5679632B2 (ja) | 2015-03-04 |
BRPI0616367A8 (pt) | 2018-05-08 |
PL1926837T3 (pl) | 2014-09-30 |
BRPI0616367A2 (pt) | 2011-06-14 |
UA88573C2 (ru) | 2009-10-26 |
CN101268203A (zh) | 2008-09-17 |
BRPI0616367B1 (pt) | 2017-11-28 |
JP2009509040A (ja) | 2009-03-05 |
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