SS 904L Pipes.
Seamless and welded pipe for process lines, pressure piping, utilities and structural use. Supplied to ASTM B677 / ASME SB677 UNS N08904.
Quick details
| Material grade | SS 904L (UNS N08904) |
|---|---|
| Standard | ASTM B677 / ASME SB677 UNS N08904 |
| Type | Seamless, Welded (ERW / EFW), Electropolished on request, Cut lengths |
| Size range | 1/8" to 24" NB (6 to 600 DN); larger sizes on enquiry |
| Usage / application | Sulphuric and phosphoric acid plant, Seawater-cooled heat exchangers, Pulp bleaching equipment |
| Test certificate | EN 10204 3.1 mill test certificate; 3.2 on request |
| Business type | Stockist and supplier |
| Location | Kumbharwada, Mumbai 400004, Maharashtra |
Also searched as: SS 904L pipe, 904L stainless steel pipe, stainless steel 904L pipe, SS 904L seamless pipe, SS 904L welded pipe, ASTM B677 UNS N08904 pipe, UNS N08904 pipe, 1.4539 pipe
Product information for purchasing teams
SS 904L is a high-alloy austenitic stainless with 23 to 28% nickel, 4 to 5% molybdenum and added copper. The copper gives it unusually good resistance to sulphuric and phosphoric acid, and the high nickel resists chloride stress-corrosion cracking.
Exact specification, availability and commercial details are confirmed against your enquiry.
SS 904L Pipes specifications
| Material standard | ASTM B677 / ASME SB677 UNS N08904 |
|---|---|
| Grade | SS 904L, UNS N08904, W.Nr 1.4539 |
| Size range | 1/8" to 24" NB (6 to 600 DN); larger sizes on enquiry |
| Schedules | Sch 5S, 10S, 40S, 80S, 160 and XXS, or specified wall thickness |
| Dimensional standards | ASME B36.19M (stainless), ASME B36.10M (carbon and alloy) |
| Lengths | Single random, double random and cut-to-length |
| Ends | Plain, bevelled or threaded |
| Testing | Hydrostatic, eddy current, PMI and third-party inspection on request |
| Documents | Mill test certificate to EN 10204 3.1; 3.2 on request |
Equivalent grades
| Grade | UNS | Werkstoff Nr. | EN / BS | JIS |
|---|---|---|---|---|
| SS 904L | N08904 | 1.4539 | X1NiCrMoCu25-20-5 | SUS 890L |
Chemical composition, %
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 904L | ≤ 0.020 | ≤ 2.00 | ≤ 1.00 | ≤ 0.045 | ≤ 0.035 | 19.0 – 23.0 | 23.0 – 28.0 | 4.0 – 5.0 | 1.0 – 2.0 | ≤ 0.10 |
Mechanical properties
| Property | Value |
|---|---|
| Tensile strength | ≥ 490 MPa |
| Yield strength (0.2%) | ≥ 220 MPa |
| Elongation | ≥ 35% |
Values per ASTM B625, annealed. Confirm against the current edition of the standard and your purchase specification.
Density: 7.95 g/cm³
Types we supply
- Seamless
- Welded (ERW / EFW)
- Electropolished on request
- Cut lengths
Applications
- Sulphuric and phosphoric acid plant
- Seawater-cooled heat exchangers
- Pulp bleaching equipment
- Pollution-control scrubbers
Questions buyers ask
Which standard covers SS 904L Pipes?
SS 904L Pipes are supplied to ASTM B677 / ASME SB677 UNS N08904.
What sizes of SS 904L Pipes does Steel Impex India supply?
Size range: 1/8" to 24" NB (6 to 600 DN); larger sizes on enquiry. Schedules: Sch 5S, 10S, 40S, 80S, 160 and XXS, or specified wall thickness. Exact availability is confirmed for each enquiry.
Do SS 904L Pipes come with a mill test certificate?
Yes. Material is supplied with a mill test certificate to EN 10204 3.1, traceable to the heat number. Third-party inspection to 3.2 can be arranged on request.
What should I send for a SS 904L Pipes quotation?
Send nominal size, schedule or wall thickness, seamless or welded, length, quantity and certificate type.
Where is Steel Impex India located?
Steel Impex India is at 231/235, Sant Sena Maharaja Marg, 2nd Kumbharwada, Mumbai 400004, and supplies across India.