Stainless Steel Seamless 317L Pipes

Stainless Steel 317L PIPE

M-Pipe & Fitting Solution Inc is a reputable company that manufactures and supplies high-quality Stainless Steel Seamless 317L Pipes. Stainless steel seamless 317L pipes are a preferred choice in many industries. These pipes were made with corrosive situations in mind, where other materials could not perform as needed. The 317L pipes’ capacity to tolerate extreme temperatures is an important additional quality. These pipes can retain their mechanical qualities and corrosion resistance even at high temperatures. This qualifies them for use with heat exchangers, machinery for chemical processing, and components of furnaces.
A seamless manufacturing procedure, which eliminates all weld seams, is used to create stainless steel seamless 317L pipes. The weak areas often connected with welded pipes are eliminated by seamless construction. Ensuring a smooth internal surface reduces the possibility of contamination or particle entrapment, increases fluid flow, and maximizes safety. When opposed to welded pipes, seamless pipes are stronger and more long-lasting. They are frequently used in the pulp and paper, pharmaceutical, food, oil and gas, chemical and petrochemical processing, and oil and gas sectors. Corrosive liquids, gases, and liquids at high temperatures can all be moved through these pipes.

SS S31703 ERW Pipe: An austenitic stainless steel with a low carbon content known as 317L is given the UNS number S31703. Electric Resistance Welded, or ERW, is a designation for the welding procedure used to make pipes, according to its name.

Stainless steel is denoted by the letter “S” in the designation SS S31703, and this particular grade is designated by the number 31703 in the UNS. Because it has a low carbon content and an austenitic structure, Stainless Steel Seamless 317L Pipes offers high corrosion resistance in a variety of conditions as well as better resistance to sensitization. In creating ERW (Electric Resistance Welded) pipes, an electric current is passed through metal to generate heat that melts the edges of a strip or plate to make a solid pipe. Strong, durable, and reasonably priced, ERW pipes provide good dimensional accuracy. The S31703 ERW Pipe is created using “electric resistance welding,” or ERW. Stainless steel is shaped into a cylindrical shape using a succession of rollers during the ERW process. The metal is then subjected to an electric current, which produces heat and causes the metal’s edges to fuse to form a solid pipe. Good dimensional accuracy, great strength, and cost-effectiveness are only a few benefits of this welding technique.

317L SS Welded Pipes: 317L SS Welded Stainless steel pipes manufactured from 317L grade stainless steel are known as welded pipes. These pipes are made by joining two ends of a steel strip or plate using various welding techniques, including laser welding, TIG welding, and welding with metal inert gas. The pipe’s strength and structural integrity are provided by the welded connections. Two ends of a stainless steel strip or plate are joined together to create these pipes using a variety of welding processes. Depending on the requirements and industry norms.

The welding technique may involve TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), or laser welding. Because of their strength and longevity, welded pipes are frequently used in various applications, including those in the chemical processing, oil and gas, food processing, and pharmaceutical industries. Additionally, ERW pipes made of Stainless Steel Seamless 317L Pipes offer outstanding corrosion resistance and are suitable for use in various industries. In addition to others, they are frequently utilized in the pharmaceutical, oil and gas, food processing, and chemical processing industries. These pipes’ welded connections offer strength and dependability, making them suitable for moving fluids and gases.

ASTM A269 SS Pipes is a standard specification for seamless and welded austenitic stainless steel tubing. It includes 317L and other stainless steel grades. Therefore, stainless steel pipes that adhere to the ASTM A269 requirements are called ASTM A269 SS pipes. These pipes are employed in various settings, including corrosive and high-temperature ones. This specification includes 317L among the grades of stainless steel it covers. The dimensional accuracy, mechanical characteristics, and corrosion resistance of ASTM A269 SS pipes are guaranteed by conformance to the precise requirements listed in the standard. These pipes are employed in various applications, including general fluid handling, instrumentation, hydraulic systems, and heat exchangers.

The specifications listed in the standard, including those for size, mechanical characteristics, and corrosion resistance, are all met by ASTM A269 SS pipes. It guarantees the pipes’ dependability and quality for common service applications. Heat exchangers, instrumentation, hydraulic systems, and general-purpose fluid handling all require 317L stainless steel pipes that conform to ASTM A269.

UNS S31703 Pipe: UNS S31703 is the 317L stainless steel’s Unified Numbering System (UNS) designation. The UNS system is used all around the world to identify different materials. As a result, UNS S31703 Pipe is a pipe manufactured of 317L stainless steel. The Unified Numbering System (UNS) code for 317L stainless steel is UNS S31703. The UNS system offers a reliable and well-known naming scheme for many materials. Because Stainless Steel Seamless 317L Pipes offers superior corrosion resistance, high-temperature strength, and resistance to sensitization, a pipe marked UNS S31703 Pipe is constructed from it. In sectors including chemical processing, pharmaceuticals, pulp and paper, and power generation, where corrosion resistance and high-temperature performance are essential, UNS S31703 pipes are frequently utilized.

These pipes’ seamless construction guarantees a smooth flow while minimizing pressure loss and lowering the possibility of leaks. They are, therefore, perfect for demanding applications where the safety of the fluid or gas being conveyed is crucial.Chromium, nickel, and molybdenum are among the components that give Stainless Steel Seamless 317L Pipes its exceptional corrosion resistance, especially in acidic and chloride-containing conditions. This qualifies it for use in chemical and petrochemical production processes, where exposure to corrosive materials is frequent.

A solid option for enterprises needing strong and corrosion-resistant piping solutions is stainless steel seamless 317L pipes. They are suitable for various applications due to their combination of corrosion resistance, high-temperature performance, and weldability, assuring efficient and dependable fluid and gas transfer.M-Pipe & Fitting Solution Inc provides certified Pipes & Tubes that meet international standards such as API, ASTM, and ISO 9001:2015.

Specifications:ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V
Dimensions:ASTM, ASME and API
Size:1/8″NB TO 30″NB IN
ERW 317L Pipes & Tubes:1/2″ NB – 24″ NB
EFW 317L Pipes & Tubes:6″ NB – 100″ NB
317L Pipes & Tubes:1/2″ NB – 16″ NB
Schedule:SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type:Seamless / ERW / Welded / Fabricated / LSAW Pipes
Specialized in:Large Diameter Size
Length:Single Random, Double Random & Cut Length.
Form:Round, Square, Rectangular, Hydraulic Etc
End:Plain End, Beveled End, Treaded


317L0.035 max2 max1 max0.040 max0.03 max18 – 203 – 411 – 15


The addition of low carbon content (0.03% maximum) in 317L stainless steel pipes enhances their resistance to sensitization and intergranular corrosion, making them suitable for use in corrosive environments.