Silver tubes are the best-known exporter, manufacturer and stockiest of the product SS 310S EFW Pipes in the market today. All our pipes are largely manufactured according to the national and international industry standards. We are a professionally managed company with energetic young professionals, experts and entrepreneurs to design and deliver the product as per our customer demands.
The primary aim of our company is to build long term relationships with our clients by providing superior quality of products as per the customer requirements.
EFW Pipes:-
The EFW pipes or the
electric fusion welded pipes are shaped by welding the seam or
by rolling plates. The
Stainless steel 310S EFW Pipes are vastly
appreciated for its rigid construction, seamless finish and
abrasion resistance.
More information about SS 310s EFW Pipes:-
Stainless steel of grade –
310S electric fusion welded pipes is
the interaction of allotropes with alloying elements, mainly
carbon which gives cast iron and steel their range of
distinctive properties. The centered cubic arrangement in the
body of SS 310s EFW Pipes, the iron atom is present in the mid
of each cube. But in the face of the centered cubic, the iron
atom is present at the center of each six faces of the cubes.
Stainless steel 310S:-
SS 310S was
mainly designed to be the low carbon version of stainless
steel 310 which is medium carbon SS. The grade SS 310s has the
same characteristics as the grade 310. It can survive in high
temperatures, resistance to corrosion and resistance,
machinability the same as type 304.
The SS 310S EFW Pipes consist of 25 % chromium and 20 % nickel. It is very much efficient in the reducing environment like those that contain sulfur. When combined with low carbon content, the metal is also very effective at resisting embrittlement.
The answer starts with what standard grades can't do. Most austenitic stainless steel grades start losing oxidation resistance and mechanical integrity as temperatures rise into elevated service ranges. 310S does not. This is not a minor benefit; it is the fundamental reason this grade exists.
High-temperature resistance is the grade's defining property. 310S maintains structural integrity and mechanical strength at temperatures where lower-grade stainless steel softens, scales, and eventually fails. It's used in continuous high-temperature service precisely because it doesn't creep or distort under sustained thermal load.
Superior oxidation resistance comes from the high chromium content, which builds and maintains a stable protective oxide layer even under repeated thermal cycling. Other grades scale aggressively at elevated temperatures. 310S resists that scaling, preserving wall integrity over long service intervals.
Better corrosion resistance covers not just standard atmospheric and moisture environments but also sulfur-containing atmospheres a specific challenge in furnaces, heat treatment equipment, and refinery environments. Many grades lose performance rapidly in sulfur-bearing gases. 310S holds up where those other grades corrode prematurely.
Strong weldability and fabrication properties mean the pipe can be installed, modified, and repaired under realistic field conditions without requiring unusually complex procedures. That matters on large industrial projects where controlled workshop environments aren't always available.
Long operational life is the outcome of all these properties working together. Pipes that don't corrode, don't oxidize, and don't lose mechanical integrity under sustained high-temperature service simply last longer. Fewer replacements, lower maintenance costs, and less unplanned downtime are the practical results.
The features below translate directly into performance in the field. They're not spec-sheet claims. They're the properties that determine whether a pipe survives its service environment.
310S retains strength and structural integrity at temperatures that exceed the continuous service limits of standard austenitic grades, making it the correct choice for thermal plant and furnace applications.
The high chromium-nickel composition creates a stable passive layer that resists both oxidizing and reducing attack, including sulfur-bearing and mixed gas environments encountered in refinery and chemical plant service.
The pipe sustains mechanical load and pressure under thermal stress without deforming, supporting reliable performance in pressurized process lines at elevated temperatures.
Consistent surface quality reduces flow resistance internally and improves corrosion resistance externally, supporting both hydraulic performance and long-term surface integrity.
Standard and custom wall thickness options cover the range of pressure ratings and flow requirements encountered across industrial applications.
Mechanical strength combined with temperature resistance supports use in high-pressure process systems where both load and heat are simultaneous service conditions.
The grade responds well to standard cutting, forming, and welding procedures, enabling straightforward integration into complex fabricated piping systems.
SS 310S EFW pipes are specified for use where conventional austenitic grades are not sufficient, due to high temperature, oxidizing conditions and corrosive media.
Commonly used in boiler systems, the 310S EFW pipe can be found in superheated steam lines or exposure to flue gases, where oxidation resistance and structural integrity are maintained over extended service cycles under continuous thermal loading.
High temperature and reactive process streams require a pipe that is resistant to combined chemical and thermal attack. 310S is used reliably in heat tracing lines and transfer piping in these facilities.
Furnace tubing and transfer lines in hydrocarbon processing face sulfur-bearing gases and oxidizing conditions that degrade standard grades quickly. 310S EFW pipes sustain continuous refinery operation under those combined conditions.
310S maintains dimensional stability and corrosion resistance through repeated thermal cycling in heat exchanger service, where scaling and stress damage compromise lower-grade pipe materials in chemical and power plant installations.
310S is used for reactor inlet piping and scrubber connections and transfer lines carrying strong acids and oxidizing agents because of its wide chemical resistance, particularly where elevated temperature accelerates corrosion in standard grades.
In the cement industry, pipes in kiln systems and in high temperature exhaust ducts are subjected to thermal cycling, dusty atmospheres and oxidizing gases. 310S EFW pipes work where most of the standard grades fail early.
Ammonia, nitrogen compounds and acidic process streams at elevated temperatures require reliable corrosion resistance and thermal stability. The 310S has consistent performance throughout the entire operating cycle of fertilizer production environments.
| Specifications | ASTM A312/ ASME SA312 |
| EFW Pipes | 6" NB - 24" NB |
| 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 Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | EFW |
| Form | Round Pipes, Square Pipes, Rectangular Pipes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| EN 10216-5 | EN 10216 310S EFW Steel Pipe, EN 10216-5 1.4845 EFW Steel Pipes for pressure purposes |
| EN 10217-7 | EN 10217 310S Welded Steel Pipe, Steel EN 10217-7 1.4845 Welded Pipes for pressure purposes |
| STANDARD | UNS | WERKSTOFF NR. | JIS | BS | GOST | EN |
| SS 310S | S31008 | 1.4845 | SUS 310S | 310S16 | 20Ch23N18 | X8CrNi25-21 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 310S | 0.08 max | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 - 26.00 | 0.75 max | 19.00 - 21.00 | 53.095 min |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS 310S | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 | 95 | 217 |
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SS 310S EFW pipes are electric fusion-welded austenitic pipes with high chromium-nickel content, engineered for oxidation-resistant, high-temperature service.
Its high chromium and nickel levels form a stable oxide layer that resists scaling, maintains strength and controls creep under sustained heat.
310S carries a lower carbon limit, which prevents carbide precipitation during welding. This makes it the standard choice for welded pipe assemblies.
Yes. They resist oxidizing atmospheres, sulfur gases, mild acids and moisture well. High-chloride environments, however, call for molybdenum-bearing grades like 316L instead.
310S EFW pipes are used for sustained high temperature service in power generation, oil refining, petrochemical processing, cement production and fertilizer manufacturing.
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