What is stainless steel 304 pipe?
Stainless metal 304 pipe, additionally referred to as SS 304 welded pipe or SS UNS S30400 pipe, is a widely used piping cloth prized for its tremendous combination of energy, formability, and corrosion resistance.
Stainless steel 304 pipes, additionally known as SS 304 welded pipes or SS UNS S30400 pipes, are workhorses inside the piping enterprise. They’re valued for his or her outstanding combination of:
- Strength: They can face up to massive strain and weight, making them suitable for stressful programs.
- Formability: They may be easily bent, drawn, and fashioned into diverse shapes, best for elaborate designs and tight spaces.
- Corrosion Resistance: They excel at resisting rust and corrosion, making sure lengthy-lasting overall performance.
This mixture of residences makes SS 304 pipes a popular desire throughout several industries. Here’s a deeper dive into their significance:
Importance of SS 304 Pipes:
- Durability and Longevity: Compared to standard substances, SS 304 pipes provide advanced resistance to corrosion, rust, and cruel chemicals. This translates to extended lifespan and decreased preservation costs in the end.
- Hygiene and Sanitation: The easy and clean-to-easy surface of SS 304 pipes makes them perfect for programs requiring excessive hygiene requirements, like food processing devices and scientific centers.
- Versatility: Their remarkable formability and weldability permit for customization and complex piping layouts. They can be seamlessly included into current systems with various cease connections (flanges, threads, sockets).
304 Stainless Steel Pipe Specifications
| Pipe Specifications | ASTM A312, A358 / ASME SA312, SA358 |
| Tube Specifications | ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554 |
| Dimensions | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Seamless Pipe & Tube Size | 1/2″ NB – 16″ NB |
| Welded Pipe & Tube Size | 1/8″NB TO 30″NB IN |
| EFW Pipe & Tube Size | 6″ NB – 24″ NB |
| Tube Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness | 0.35 mm – 50 mm |
| Specialized in | Large Diameter Pipe Size |
| Schedule | SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS |
| Type | Seamless Pipes, ERW Pipes, Welded Pipe, Fabricated Pipes, Electro polished Pipe, Polished Pipe, Hollow Pipes |
| Form | Round, Square, Hydraulic, U Shape, Rectangular, Pan Cake Coils, Coiled, Hex, Honed, Etc |
| Length | Single Random, Double Random & Required Length. |
| End | Plain End, Beveled End, Treaded End |
Stainless Steel 304/304L pipes, specially those synthetic in step with the ASTM A312 TP304 Seamless Pipe specification, are recognised for their tremendous corrosion resistance. This makes them best for applications related to publicity to harsh chemicals and corrosive substances. They showcase remarkable mechanical homes, together with high tensile power and suitable formability, allowing for easy fabrication and installation.
Furthermore, Stainless Steel 304/304L pipes are flexible and can face up to an extensive range of temperatures, making them appropriate for both high-temperature and cryogenic programs. Their durability and toughness lead them to a value-effective answer for industries in search of a reliable piping fabric.
In essence, ASTM A312 TP304 Seamless Pipe gives the wonderful corrosion resistance, stunning mechanical houses, and temperature versatility of 304/304L stainless-steel in a seamless pipe format. This seamless design eliminates the capability susceptible factor of a weld seam, similarly enhancing its reliability and energy.
Stainless steel 304 L Pipe Equivalent Material
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
| SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
| SS 304L | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 304S11 | 03Х18Н11 |
SS 304 Pipe Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 13 | – |
SS 304 Stainless Steel Mechanical Properties
| Grade | Density | Melting Point | Tensilee Strength | Yield Strength (.2%Offs0et) | Elongation |
| SS 304/304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 40 % |
TYPES OF STAINLESS STEEL 304 PIPES
SS 304 SEAMLESS PIPE
SS 304 WELDED PIPE
SS 304 ERW PIPE
SS 304 EFW PIPE
SS 304 POLISHED PIPE
SS 304 SQUARE PIPE
SS 304 ROUND PIPE
SS 304 HOLLOW PIPE
Application Industries Of 304L Pipes
This advanced resistance to intergranular corrosion because of the lower carbon content material makes 304L pipes especially applicable for:
- Chemical Processing Equipment: They can cope with harsher chemical substances as compared to 304 pipes, making them perfect for chemical plants and refineries.
- Pressure Vessels and Boilers: Their advanced electricity and resistance to corrosion are vital for these excessive-stress environments.
- Aerospace Components: The light-weight and corrosion-resistant properties of 304L pipes make them suitable for unique aerospace applications.
- Welding-Intensive Projects: The decrease danger of carbide precipitation round welds makes 304L pipes a favored desire for initiatives requiring widespread welding.
Beyond the Advantage:
304L pipes proportion many packages with 304 pipes, consisting of:
- Food Processing Equipment: Their clean surfaces promote hygiene and prevent contamination.
- Construction and Architecture: Their sturdiness and aesthetics cause them to be appropriate for architectural panels and trim.
- Automotive Industry: They are used in exhaust structures and other components for their electricity and resistance to harsh situations.
- Household Appliances: Sinks, refrigerators, and other home equipment frequently make use of 304L pipes for his or her toughness and resilience.
304L STAINLESS STEEL PIPE MANUFACTURING PROCESS
- The Rolling and Welding Stage
- Cleaning and Warming Stage
- The rolled stainless steel pipes thus manufactured are cut to the required lengths depending upon the industrial demand.
- Cold-Drawing Stage
- The Finishing Process