Los productos de tubería soldada eléctricamente de alta frecuencia (ERW) de Permanent Steel Products y los productos de tubería soldada por resistencia eléctrica estándar tienen un acabado suave y paredes delgadas. Se producen formando continuamente tiras laminadas en caliente enrolladas en un tubo y soldando la costura longitudinal mediante soldadura por resistencia eléctrica de alta frecuencia. Los requisitos de propiedades químicas y mecánicas son los prescritos por la API 5L actual y las normas ASTM aplicables. Las tuberías estándar ERW y las tuberías soldadas eléctricamente de alta frecuencia se utilizan ampliamente en toda la industria del petróleo y el gas, así como para pilotes de tuberías y sistemas de tuberías de cables.
Grados de tubería estándar y de línea ERW:
| Grade A Carbon Steel |
(ASTM A53, A523, API 5L PSL1 ) |
|---|---|
| Minimum Yield Strength: | 30,000 psi |
| Maximum Yield Strength: | None |
| Minimum Tensile Strength: | 48,000 psi |
|
Notes: This grade may be used for standard pipe, line pipe, or conduit pipeas specified in the various ASTM and API specifications. |
|
| Grade B Carbon Steel |
(ASTM A53, A523, API 5L PSL1) |
API 5L PSL2 |
|---|---|---|
| Minimum Yield Strength: | 35,000 psi | 35,000 psi |
| Maximum Yield Strength: | None | 65,000 psi |
| Minimum Tensile Strength: | 60,000 psi | 60,000 psi |
| Maximum Tensile Strength: | None | 110,000 psi |
|
Notes: This grade may be used for standard pipe, line pipe, or conduit pipeas specified in the various ASTM and API specifications. |
||
| API 5L X42 | PSL1 | PSL2 |
|---|---|---|
| Minimum Yield Strength: | 42,000 psi | 42,000 psi |
| Maximum Yield Strength: | None | 72,000 psi |
| Minimum Tensile Strength: | 60,000 psi | 60,000 psi |
| Maximum Tensile Strength | None | 110,000 psi |
|
Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. |
||
| API 5L X46 | PSL1 | PSL 2 |
|---|---|---|
| Minimum Yield Strength: | 46,000 psi | 46,000 psi |
| Maximum Yield Strength: | None | 76,000 psi |
| Minimum Tensile Strength: | 63,000 psi | 63,000 psi |
| Maximum Tensile Strength: | None | 110,000 psi |
|
Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. |
||
| API 5L X52 | PSL1 | PSL2 |
|---|---|---|
| Minimum Yield Strength: | 52,000 psi | 52,000 psi |
| Maximum Yield Strength: | None | 77,000 psi |
| Minimum Tensile Strength: | 66,000 psi | 66,000 psi |
| Maximum Tensile Strength: | None | 110,000 psi |
|
Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. |
||
| API 5L X56 | PSL1 | PSL2 |
|---|---|---|
| Minimum Yield Strength: | 56,000 psi | 56,000 psi |
| Maximum Yield Strength: | None | 79,000 psi |
| Minimum Tensile Strength: | 71,000 psi | 71,000 psi |
| Maximum Tensile Strength: | None | 110,000 psi |
|
Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. |
||
| API 5L X60 | PSL1 | PSL2 |
|---|---|---|
| Minimum Yield Strength: | 60,000 psi | 60,000 psi |
| Maximum Yield Strength: | None | 82,000 psi |
| Minimum Tensile Strength: | 75,000 psi | 75,000 psi |
| Maximum Tensile Strength: | None | 110,000 psi |
|
Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. |
||
| API 5L X65 | PSL1 | PSL2 |
|---|---|---|
| Minimum Yield Strength: | 65,000 psi | 65,000 psi |
| Maximum Yield Strength: | None | 87,000 psi |
| Minimum Tensile Strength: | 77,000 psi | 77,000 psi |
| Maximum Tensile Strength: | None | 110,000 psi |
|
Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. |
||
| API 5L X70 | PSL1 | PSL2 |
|---|---|---|
| Minimum Yield Strength: | 70,000 psi | 70,000 psi |
| Maximum Yield Strength: | None | 90,000 psi |
| Minimum Tensile Strength: | 82,000 psi | 82,000 psi |
| Maximum Tensile Strength: | None | 110,000 psi |
|
Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. |
||
| Grade 1 Carbon Steel | (ASTM A252) |
|---|---|
| Minimum Yield Strength: | 30,000 psi |
| Maximum Yield Strength: | None |
| Minimum Tensile Strength: | 50,000 psi |
|
Notes: This grade is a standard grade for ASTM A252. The specification coversthe requirements for welded and seamless steel piling pipe. |
|
| Grade 2 Carbon Steel | (ASTM A252) |
|---|---|
| Minimum Yield Strength: | 35,000 psi |
| Maximum Yield Strength: | None |
| Minimum Tensile Strength: | 60,000 psi |
|
Notes: This grade is a standard grade for ASTM A252. The specification coversthe requirements for welded and seamless steel piling pipe. |
|
| Grade 3 Carbon Steel | (ASTM A252) |
|---|---|
| Minimum Yield Strength: | 45,000 psi |
| Maximum Yield Strength: | None |
| Minimum Tensile Strength: | 66,000 psi |
|
Notes: This grade is a standard grade for ASTM A252. The specification coversthe requirements for welded and seamless steel piling pipe. |
|
Características y ventajas de la tubería de línea ERW de Permanent Steel Products
Algunas razones por las que nuestros clientes prefieren nuestros productos de tuberías soldadas erw:
1. Superficies lisas: Nuestras tiras de acero laminadas en caliente se conforman continuamente en frío para formar tubos de pared uniforme y de superficie lisa para lograr una capacidad de recubrimiento y características de flujo superiores.
2. Paredes más fuertes y livianas: La tira de acero de calibre más liviano y de mayor resistencia de Permanent Steel se fusiona mediante soldadores de resistencia eléctrica de alta frecuencia en una tubería de acero de alta tenacidad que cumple con tolerancias y especificaciones de resistencia exigentes.
3. Dimensiones y calidad uniformes: Nuestros productos de tubos de acero ERW tienen espesores de pared uniformes fabricados con tiras de acero laminadas en caliente. Los procesos altamente automatizados de Permanent Steel, combinados con una inspección visual y no destructiva continua y pruebas hidrostáticas, significan que nuestros clientes obtienen solo productos de tubos de acero de la más alta calidad.
