Looking for high-quality stainless steel pipes? Look no further than our range of Stainless Steel 316L Mod Pipes. We have a variety of options to suit your needs, including 316L Modified Stainless Steel, 316l Urea Grade, and Urea Grade 316lmod Stainless Steel Pipe. Our 1.4435 Stainless Steel is an excellent choice, as is our Urea 316Lmod. We also offer 316lmod Forging Pipes, 316lmod Stainless Steel Rods, Urea 316Lmod Stainless Steel Tubes, and 316Lmod Stainless Steel Seamless Pipes. Our SS 316l Urea Grade is available at competitive prices, and we work closely with modified 316L Stainless Steel Pipe suppliers to ensure you get the best possible product. With UNS S31603 Stainless Steel Pipes also available, we're confident we have the right solution for you. So if you need 316L UG Stainless Steel Pipes or any other type of high-quality steel pipes, contact us today to learn more about our range.
The use of stainless steel 316L Mod pipe is commonly applicable to various material standards such as ASTM A312, A213, and A269. It is a modified version of 316L stainless steel, often referred to as 316L urea grade. This modification involves the adjustment of its chemical composition to cater to specific process requirements or application needs. With a careful chemical adjustment and improvement on the basis of 316L stainless steel, 316L modified stainless steel pipe is designed to meet specific needs.
One of the major alterations in the 316L Mod variant is its optimized chemical composition, usually featuring lower carbon content and higher molybdenum content. This chemical optimization has particularly enhanced 316L Mod's corrosion resistance, especially for chloride media. As a result, it has become highly effective in resisting the corrosion caused by chloride ions. Thus, 316L Mod is ideal for various corrosive and high-stress applications.
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The ASTM A312 standard is a set of guidelines created by the American Society for Testing and Materials. This standard specifically pertains to both seamless and welded stainless steel pipe. It outlines the requirements and specifications necessary for the proper manufacture and use of stainless steel pipes. This standard ensures that all stainless steel pipes meet certain criteria for quality and safety, providing confidence for those who work with or rely on these pipes in various applications.
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ASTM A213 is a standard that has been formulated by ASTM to specifically cater to the requirements of seamless heat-treated stainless steel tubing. This comprehensive standard addresses the piping needs for applications that involve high temperatures and high pressures, including boilers, heat exchangers, and supercritical boilers.
- The scope of ASTM A269 encompasses the specifications for both seamless and welded stainless steel tubing, primarily designed for use in general industrial settings and high-purity applications.

Stainless Steel 316L Mod Pipe Specification
| Specifications | ASTM A312, ASTM A213, ASTM A269 |
| Standard | ASTM, ASME, and API |
| Sizes | 1/8” to 48” |
| Thickness | 0.4mm up to 30mm |
| Length | Single, Double Random, Cut Length |
| Schedule | 10 SCH, 20 SCH, 30 SCH, 40 SCH, STD, 60 SCH, XS, 80 SCH, 120 SCH, 140 SCH, 160 SCH, XXS, please generate a highly similar content by rearranging the above content, ensuring that the generated content is based on the original text information. Sure, here's a rearranged version of the provided information: STD, 10 SCH, XS, 20 SCH, 30 SCH, 40 SCH, 60 SCH, 80 SCH, 120 SCH, 140 SCH, 160 SCH, XXS. |
| Types | Seamless / ERW / Welded / EFW / Fabricated / CDW |
| Form | Tubes and pipes come in different shapes and sizes to cater to various industrial needs. These include round pipes/tubes, square pipes/tubes, rectangular pipes/tubes, coiled tubes, U-shaped tubes, pan cake coils, and hydraulic tubes. Each of these varieties serves a specific purpose and offers unique advantages in different applications. By rearranging the provided information, we can explore the diversity and functionality of these tube and pipe types. Firstly, let's talk about round pipes and tubes. These cylindrical structures are widely used in industries such as construction, plumbing, and transportation. Their circular shape allows for easy flow of fluids and gases, making them suitable for applications like conveying water, oil, and gas. Round pipes and tubes are known for their strength, durability, and versatility. Moving on to square pipes and tubes, these have a square or rectangular cross-section. Square pipes are commonly used in the construction industry for building frameworks, gates, fences, and handrails. Their unique shape provides better resistance to torsion and bending, making them suitable for structural support in various applications. Square tubes offer a balance between strength and aesthetic appeal, making them a popular choice in architectural designs. Next, let's consider rectangular pipes and tubes. Unlike square tubes, rectangular tubes have elongated sides with a rectangular cross-section. This shape allows for efficient utilization of space and enhanced load-bearing capabilities. Rectangular pipes find extensive use in construction, infrastructure projects, and the manufacturing of furniture and automotive components. Coiled tubes, as the name suggests, are tubes wound into compact coils. This design offers advantages such as flexibility and ease of installation. Coiled tubes are commonly used in applications requiring long lengths of tubing in restricted spaces, such as automobiles, refrigeration systems, and HVAC installations. They provide efficient heat transfer and fluid flow in compact designs. U-shaped tubes feature a semicircular bend, resembling the letter "U." These tubes are often employed in heat exchangers, boilers, and condensers to facilitate the passage of fluids while maximizing surface area for heat transfer. The U shape allows for efficient thermal exchange and is particularly useful in applications where compactness is essential. Pan cake coils, on the other hand, refer to tightly wound coils resembling pancakes. These coils are typically used in refrigeration and air conditioning systems. The pancake design enables easy installation with minimal joints, resulting in improved efficiency and reduced chances of refrigerant leakage. Lastly, hydraulic tubes play a crucial role in hydraulic systems, where they transmit power through the movement and control of fluids. These tubes are specially designed to withstand high-pressure conditions and ensure smooth and precise operation of hydraulic machinery and equipment. In summary, the world of tubes and pipes encompasses various shapes and designs to meet specific industrial requirements. Round pipes/tubes, square pipes/tubes, rectangular pipes/tubes, coiled tubes, U-shaped tubes, pan cake coils, and hydraulic tubes each have their distinct characteristics and applications. Understanding the features and benefits of these tube and pipe types is crucial for choosing the most suitable solution in different industries and engineering projects. |
| End | Plain End, Beveled End, Treaded |
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Urea Class Stainless Steel-2 |
304n, 304ln, 316n, 316ln |
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Urea Class Stainless Steel-1 |
2re69, 316L Mod, 724L, 725ln |
316L Urea Grade Stainless Steel Pipe, Tube Chemical Composition
| Grade | UNS | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo | Ni | N≤ |
| TP316L | S31603 | 0.03 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 2.00-3.00 | 11.0-14.0 | 0.1 |
316L Modified Stainless Steel Physical Properties (Typical Values):
| Density | 7.98 g/cm³ |
| Tensile strength | ≥485 MPa |
| Yield strength (0.2% deviation) | ≥170 MPa |
| Elongation | ≥40% |
| Hardness (Brinell hardness) | ≤217 HB |
| Coefficient of thermal expansion | 16.5 x 10^-6/°C (20-100°C) |
| Thermal conductivity | 15.0 W/(m K) (100°C) |
Difference Between 316L and 316L Urea Grade
- Corrosion resistance: UREA 316LMod has better corrosion resistance through optimized chemical composition adjustment. In particular, it has better corrosion resistance to chloride media, can effectively resist the corrosion of chloride ions, and reduces the risk of intergranular corrosion in chlorinated environments.
- Stress corrosion cracking resistance: Urea Grade 316LMod stainless steel pipe has better resistance to stress corrosion cracking and can withstand corrosion and cracking in stress environments. This makes it suitable for some application scenarios that require high resistance to stress corrosion cracking.
- High-temperature stability: Due to the optimized chemical composition, Urea grade stainless steel 316L Mod pipe has good high-temperature stability and oxidation resistance. It can maintain stable performance in high-temperature environments, is not easy to deform, desulfurize and oxidize, and is suitable for high-temperature applications.
316LMod Stainless Steel Seamless Pipe Heat Treatment:
Solution Annealing: This is one of the common heat treatment processes for 316L MOD seamless stainless urea pipe. During solution treatment, the material is heated to a sufficiently high temperature, usually between 1050°C and 1150°C, to bring it into solution. Keep it for a certain period of time to ensure that the various elements in the material dissolve evenly. This is followed by rapid cooling, such as water quenching or air cooling, to form a uniform grain structure.
Solution treatment can eliminate the intergranular phase and hardening effect in the material, and restore the stainless steel 316L Mod pipe to its best corrosion resistance and mechanical properties. This process also increases the material's resistance to stress corrosion cracking and reduces residual stresses.
Stainless Steel 316L Mod Quality Control and Certification
We attach great importance to the quality control of 316L-modified stainless steel to ensure product consistency and reliability. They strictly follow international standards and certifications such as ASTM, UNS, and EN to ensure that the pipes meet the specifications and meet the needs of customers. With rich experience and expertise, the supplier provides customers with high-quality 316l urea-grade stainless steel pipes. Our 316L Mod stainless steel pipe suppliers not only provide stainless steel 316L Mod pipe but also 316L Mod Stainless Steel Fittings, Flanges, Forgings, Fasteners, Tubes, Plates, Sheets, Strips, Coils, Bars, Round Rods, Etc.
If you have further questions about 316L Mod stainless steel pipes or need to purchase related products, please contact us (provide contact information or link) for more information.
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