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Alloy 28 Pipes and Tubes

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Alloy 28 Pipe manufacturer, stockist & supplier

silver Tubes has Alloy 28 Pipe inventory to fulfill your project’s needs, buy Alloy 28 Pipe at best price & fast delivery. Supplying Alloy 28 Pipe from approved manufactures and stockists based in the UK, India, Europe and USA

Dealer & distributor of Alloy 28 Pipe

silver Tubes is a distributor of Alloy 28 Pipe, it is one of our most popular alloys. While we specialize in large OD custom tubes with heavy walls for use in the oil and gas industry; we inventory a range of sizes, from as small as .040" OD to as large as 6.0" OD. We manage manufacturing, heat treating to the specifications, machining and inventorying. Our immense inventory of exotic alloys, such as  Monel,  Hastelloy, Inconel ,  Alloy-20  and many  stainless grades, are available 24/7 to meet the corrosion resistant applications that our customers demand. Our inventory position and worldwide mill relationships make us a leader in the distribution industry .

Silver Tubes are today engaged in offering the comprehensive ranges of Alloy 28 Pipes, Tubes. We are providing the pipes and tubes that are made up of using high quality of alloy only. We are the top-ranking manufacturer and supplier that are offering the pipes, tubes at various types, grades, sizes, forms, schedules, etc. The pipes, tubes we offer are appreciated for the excellent properties found in it. We too make those available at customized specifications and standards as per the clients want.

These pipes, tubes are used in many applications like power plants, nuclear fuel reprocessing, oil and gas, shipbuilding, acid production, power plants, pickling equipment, etc. The ranges of pipes that we offer are confirming several industrial quality standards like API, ASTM, and ANSI, etc.

Alloy 28 Pipes, Tubes offered by us is appreciated globally for its strength at the high-temperature atmospheres. It is having the ability to resist carburization, oxidation and several other kinds of temperature corrosion.

About Alloy 28:
Alloy 28 is the austenitic stainless steel and multiple purpose alloys that are used for the services into the greatly corrosive conditions. This material is featured by excellent corrosion resistant at strong acids. It is having commendable stress corrosion cracking resistance and IGC at several atmospheres. Also, it possesses crevice corrosion and pitting resistance ability. The good welding ability is making it an ideal selection.

Alloy 28 Pipes, Tubes are sent for the test compulsorily for the quality checking. The tests done are hardness test, PMI-IGC test and many more.

Alloy 28 Pipes | Tubes

ASTM Specifications


  • UNS N08028
  • ISO 4563-080-28-I
  • EN number 1.4563
  • EN name X 1 NiCrMoCu 31-27-4
  • W.Nr. 1.4563
  • DIN X 1 NiCrMoCuN 31 27 4
  • SS 2584
  • AFNOR Z1NCDU31-27-03

Product standards

Seamless tube and pipe:ASTM B 668; EN 10216-5; SEW 400 (Feb 1991); SS 14 25 84;
NFA 49-217
Plate, sheet and strip:ASTM B 709, EN 10088-2; SS 14 25 84
Bar steel:EN 10088-3; SS 14 25 84
Fittings:ASTM A 403 (chemical composition and mechanical properties according to ASTM B668)

Alloy 28 Pipe Details

To complement our range of flanges and fittings, Silver Tubes can supply a 'package' requirement, or a simple one off requirement via stocks or International contacts with Mills. We can supply cut lengths, extra long pieces and even pipe machined from forged bar to satisfy your urgent demand.

Alloy 28 Pipe
Sr. No.
Seamless Pipe
15 NB
300 NB
Sch. 5s
Sch. 10s
Sch. 40s
Sch. 80s
Sch. 160s
Sch. XXS
Welded (ERW) Pipe
15 NB
300 NB
Sch. 5s
Sch. 10
Sch. 40s &
Sch. 80s
Welded (ERW) Pipe
150 NB
600 NB
Sch. 5s
Sch. 10s
Sch. 40s &
Sch. 80s
In Form of Round, square etc.
In Length of
Standard & Cut length
Value Added Service Draw & Expansion as per required Size & Length,
Heat Treatment
Machining etc.
Finish Annealed & pickled, bright annealing, polished
Ends Beveled or plain end, square cut, burr free , Plastic Cap at Both end
Test Certificate Manufacturer Test Certificate
Laboratory Test Certificate from Govt. Approved Lab. &
Under Third Party Inspection
Specialize Cupro Nickel Tube

Inspection and Test Procedure
1.100% PMI, Spectro Chemical Aanlysis Test for Raw Material
2.100% Dimension & Visual Examination 
3. Mechanical Properties Test Include Tension Test, Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test, Reversed Flattening Test
4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT) 
5.Radiographic Test for Welded Pipe (shall be accordance with specification, or shall be as agreed upon between the purchaser and vendor)
6.Straightness Test (optional)
7.Roughness Test (optional)
8.Intergranular Corrosion Test(optional)
9.Impact Test (optional)
10.Grain Size Determinations (optional)

Material Grades:

Exotic Alloys

  • Monel 400
  • Incoloy 800/H/HT
  • Inconel 600/625
  • Hastelloy
  • Titanium
  • Cupro-Nickel 90/10, 70/30

Also available
Duplex/Super Stainless

  • UNS 31803
  • UNS 32760
  • 31254 (6MO)


  • Heat Exchanger Tubes
  • Heavy Wall Thicknesses
  • Difficult Grades
  • Very large diameter pipe
  • Cut Lengths
  • Quick Deliveries

Alloy 28 Pipe related products

Alloy 28 Pipe useful info

Chemical composition (nominal) %

C Si Mn P S Cr Ni Mo Cu

Mechanical properties

The following values apply to solution annealed material, unless otherwise stated.

Proof strength Tensile strength Elong. Hardness
Rp0.2a Rp1.0a Rm Ab A2" HRB
MPa MPa MPa % %
Metric units

Seamless cold worked tube and pipe

Proof strength Tensile strength Elong. Hardness
Rp0.2a) Rm A2" HRC
MPa ksi MPa ksi %
Alloy 28-110≥760≥110≥795≥11511≤35
Alloy 28-125≥860≥125≥895≥13010≤37