A312 Pipe
Description
Technical Parameters
Description
The A312 Pipe is a top-quality seamless steel pipe that follows the ASTM A312 standard. It has various uses in different fields such as structure, chemical industry, medicine, petroleum, food processing, etc. The pipe comes in two types; seamless and welded to cater to the diverse requirements of different applications. The seamless type is produced through continuous rolling and drawing, resulting in a pipe with uniform inner and outer surfaces and excellent corrosion resistance. On the other hand, the welded pipe is cold-worked after welding to ensure its exceptional structural strength and hardness. The high nickel content of the A312 Pipe makes it resistant to corrosion in different environmental conditions, making it a popular choice in manufacturing a variety of equipment.
Features
The superior corrosion resistance of A312 Pipe is one of its most significant benefits. It is composed of a high-quality stainless steel material that utilises the natural properties of chromium to create a strong, protective layer of chromium oxide on its surface. This barrier effectively shields the inner contents of the pipeline from the harsh external environment, significantly enhancing the lifespan of the pipeline. With A312 Pipe, you can rest assured that your pipelines are well-protected from the effects of corrosion over an extended period of time.
Stainless steel pipes boast high-temperature stability, enabling them to perform exceptionally well in high-temperature environments. With their superior strength and durability, these pipes are well-suited for use in areas such as the petroleum, chemical, and electric power industries. Even at high temperatures, the material used in these pipes remains steady, ensuring a high level of performance throughout its operational life. Thanks to this stability and resilience, stainless steel pipes are a top choice for engineers and manufacturers who require reliable and robust solutions for challenging applications.
One of the key features of this product is its precision in size. With accurate outer and inner diameter dimensions, it allows for a seamless installation and connection in engineering projects. This attribute is especially crucial in applications that demand precise assembly. Being able to rely on a product's exact measurements ensures that every piece will fit together perfectly, resulting in a successful and efficient project.
A crucial requirement for a pipeline is the consistency of its wall thickness. This is essential for it to bear the necessary pressure and load. Moreover, various size options are necessary to meet the unique needs of different applications. The diameter options range from 1/8 inch to 30 inches, and the wall thickness varies from SCH 10S to SCH 80S. These options ensure the pipeline can meet the design requirements of myriad pipeline projects.
Steel pipes offer a wide range of customization options to cater to the unique demands of engineering projects. Along with standard sizes, customized pipes can be tailored with different materials, processing, and sizes to guarantee superior performance and adaptability. This flexibility makes steel pipes a popular choice for a diverse range of applications. With customizations that meet specific needs and requirements, steel pipes provide exceptional solutions for engineering projects of all types. Regardless of the project's complexity, customized steel pipes can be designed to meet even the most challenging specifications. Thus, the versatility and adaptability of customized steel pipes make them an indispensable asset for a wide range of engineering applications.
Permitted Variations in Wall Thickness
Tolerance, % from Nominal | ||
NPS Designator | Over | Under |
⅛ to 2½ incl., all t/D ratios | 20.0 | 12.5 |
3 to 18 incl., t/D up to 5% incl. | 22.5 | 12.5 |
3 to 18 incl., t/D > 5% incl. | 15.0 | 12.5 |
20 and larger, welded, all t/D ratios | 17.5 | 12.5 |
20 and larger, seamless, t/D up to 5% incl. | 22.5 | 12.5 |
20 and larger, seamless, t/D > 5% | 15.0 | 12.5 |
where: t = Nominal Wall Thickness D = Ordered Outside Diameter | ||
Permitted Variations in Outside Diameter
NPS Designator | Permissible Variations in Outside Diameter | DN Designator | Permissible Variations in Outside Diameter | ||
Over in. | Under in. | Over [mm] | Under [mm] | ||
⅛ – 1½, incl | 1⁄64 (0.015) | 1⁄32 (0.031) | [6–40], incl | [0.4] | [0.8] |
Over 1½ to 4, incl | 1⁄32 (0.031) | 1⁄32 (0.031) | Over [40 to 100] | [0.8] | [0.8] |
Over 4 to 8, incl | 1⁄16 (0.062) | 1⁄32 (0.031) | Over [100 to 200] | [1.6] | [0.8] |
Over 8 to 18, incl | 3⁄32 (0.093) | 1⁄32 (0.031) | Over [200 to 450] | [2.4] | [0.8] |
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