PE20030019A1 - LOW ALLOY CARBON STEEL FOR THE MANUFACTURE OF PIPES FOR THE EXPLORATION AND PRODUCTION OF OIL AND / OR NATURAL GAS, WITH IMPROVED RESISTANCE TO CORROSION AND LOW LEVEL OF DEFECTOLOGY AND PROCEDURE TO MANUFACTURE SEAMLESS PIPES - Google Patents
LOW ALLOY CARBON STEEL FOR THE MANUFACTURE OF PIPES FOR THE EXPLORATION AND PRODUCTION OF OIL AND / OR NATURAL GAS, WITH IMPROVED RESISTANCE TO CORROSION AND LOW LEVEL OF DEFECTOLOGY AND PROCEDURE TO MANUFACTURE SEAMLESS PIPESInfo
- Publication number
- PE20030019A1 PE20030019A1 PE2002000446A PE2002000446A PE20030019A1 PE 20030019 A1 PE20030019 A1 PE 20030019A1 PE 2002000446 A PE2002000446 A PE 2002000446A PE 2002000446 A PE2002000446 A PE 2002000446A PE 20030019 A1 PE20030019 A1 PE 20030019A1
- Authority
- PE
- Peru
- Prior art keywords
- manufacture
- pipes
- steel
- defectology
- exploration
- Prior art date
Links
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
DONDE EL ACERO CONTIENE, EN PESO: 0,2% A 0,4% DE Cu; NO MAS DE 1,2% DE Cr; 0,15% A 0,45% DE C; NO MAS DE 0,01% DE S; NO MAS DE 0,02% DE P; NO MAS DE 80 ppm DE N; Y, NO MAS DE 25 ppm DE OXIGENO TOTAL, SIENDO EL RESTO Fe E IMPUREZAS INEVITABLES. EL PROCESO PARA FABRICAR TUBOS SIN COSTURA DE DICHOS ACEROS COMPRENDE: a) ELABORAR UN CALDO MADRE EN UN HORNO ELECTRICO DE ALTA POTENCIA, SEGUIDO DE UNA ETAPA DE METALURGIA SECUNDARIA DONDE SE TRATA CON Al, SE REFINA, SE DESULFURA, SE HACE FLOTAR LAS INCLUSIONES, Y SE ANADE FERROALEACIONES Y Cu PARA CUMPLIR CON LA FORMULACION DEL ACERO ESPECIFICADA; b) COLAR EN FORMA CONTINUA; c) LAMINAR EN CALIENTE EN UN LAMINADOR CONTINUO; Y, d) SOMETER EL ACERO A TRATAMIENTO TERMICO DE NORMALIZADO; o e) SOMETER EL ACERO NORMALIZADO A AUSTENIZACION, SEGUIDO DE TEMPLADO Y REVENIDO, CON UNA TEMPERATURA MINIMA DE REVENIDO DE 490°C; o f) SOMETER EL ACERO LAMINADO DIRECTAMENTE A AUSTENIZACION, TEMPLADO Y REVENIDOWHERE THE STEEL CONTAINS, BY WEIGHT: 0.2% TO 0.4% Cu; NOT MORE THAN 1.2% OF Cr; 0.15% TO 0.45% DE C; NOT MORE THAN 0.01% OF S; NOT MORE THAN 0.02% P; NOT MORE THAN 80 ppm N; AND, NO MORE THAN 25 ppm OF TOTAL OXYGEN, THE REST BEING INEVITABLE Fe AND IMPURITIES. THE PROCESS TO MANUFACTURE SEAMLESS TUBES OF SUCH STEELS INCLUDES: a) PREPARING A MOTHER BROTH IN A HIGH POWER ELECTRIC FURNACE, FOLLOWED BY A SECONDARY METALLURGY STAGE WHERE AL IS TREATED, REFINED, DESULPHATED, INCLUSIONS FLOAT , AND FERROALLOYS AND Cu ARE ADDED TO COMPLY WITH THE SPECIFIED STEEL FORMULATION; b) STRAINING IN A CONTINUOUS FORM; c) HOT LAMINATING IN A CONTINUOUS LAMINATOR; And, d) SUBMIT THE STEEL TO NORMALIZED HEAT TREATMENT; or e) SUBMIT THE STANDARDIZED STEEL TO AUSTENIZATION, FOLLOWED BY TEMPERING AND TEMPERING, WITH A MINIMUM TEMPERATURE OF TEMPERATURE OF 490 ° C; or f) SUBMIT THE ROLLED STEEL DIRECTLY TO AUSTENIZATION, TEMPERED AND TEMPERED
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ARP010102532 AR035035A1 (en) | 2001-05-28 | 2001-05-28 | STEEL WITH LOW ALLOY CARBON FOR THE MANUFACTURE OF PIPES FOR EXPLORATION AND PRODUCTION OF PETROLEUM AND / OR NATURAL GAS, WITH IMPROVED CORROSION RESISTANCE AND LOW LEVEL OF DEFECTOLOGY AND PROCEDURE FOR MANUFACTURING PIPES WITHOUT SEWING |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PE20030019A1 true PE20030019A1 (en) | 2003-01-24 |
Family
ID=42632344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PE2002000446A PE20030019A1 (en) | 2001-05-28 | 2002-05-27 | LOW ALLOY CARBON STEEL FOR THE MANUFACTURE OF PIPES FOR THE EXPLORATION AND PRODUCTION OF OIL AND / OR NATURAL GAS, WITH IMPROVED RESISTANCE TO CORROSION AND LOW LEVEL OF DEFECTOLOGY AND PROCEDURE TO MANUFACTURE SEAMLESS PIPES |
Country Status (2)
| Country | Link |
|---|---|
| AR (1) | AR035035A1 (en) |
| PE (1) | PE20030019A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4609138B2 (en) | 2005-03-24 | 2011-01-12 | 住友金属工業株式会社 | Manufacturing method of oil well pipe steel excellent in sulfide stress cracking resistance and oil well seamless steel pipe |
| JP4894855B2 (en) | 2006-03-28 | 2012-03-14 | 住友金属工業株式会社 | Seamless pipe manufacturing method |
-
2001
- 2001-05-28 AR ARP010102532 patent/AR035035A1/en active IP Right Grant
-
2002
- 2002-05-27 PE PE2002000446A patent/PE20030019A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AR035035A1 (en) | 2004-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant, registration | ||
| FD | Application declared void or lapsed |