SS 317L Pipes.
Seamless and welded pipe for process lines, pressure piping, utilities and structural use. Supplied to ASTM A312 / ASME SA312 TP317L.
Quick details
| Material grade | SS 317L (UNS S31703) |
|---|---|
| Standard | ASTM A312 / ASME SA312 TP317L |
| 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 | Flue-gas desulphurisation systems, Pulp and paper bleach plants, Condensers using brackish water |
| 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 317L pipe, 317L stainless steel pipe, stainless steel 317L pipe, SS 317L seamless pipe, SS 317L welded pipe, ASTM A312 TP317L pipe, UNS S31703 pipe, 1.4438 pipe
Product information for purchasing teams
SS 317L raises molybdenum to 3 to 4% and nickel to 11 to 15%, giving noticeably better pitting resistance than 316L. It is used where 316L is marginal, such as flue-gas desulphurisation, pulp bleach plants and some acid services.
Exact specification, availability and commercial details are confirmed against your enquiry.
SS 317L Pipes specifications
| Material standard | ASTM A312 / ASME SA312 TP317L |
|---|---|
| Grade | SS 317L, UNS S31703, W.Nr 1.4438 |
| 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 317L | S31703 | 1.4438 | X2CrNiMo18-15-4 | SUS 317L |
Chemical composition, %
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| SS 317L | ≤ 0.030 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 18.0 – 20.0 | 11.0 – 15.0 | 3.0 – 4.0 | ≤ 0.10 |
Mechanical properties
| Property | Value |
|---|---|
| Tensile strength | ≥ 515 MPa |
| Yield strength (0.2%) | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 217 HB |
Values per ASTM A240, annealed. Confirm against the current edition of the standard and your purchase specification.
Density: 7.98 g/cm³
Types we supply
- Seamless
- Welded (ERW / EFW)
- Electropolished on request
- Cut lengths
Applications
- Flue-gas desulphurisation systems
- Pulp and paper bleach plants
- Condensers using brackish water
- Dye and textile chemical handling
Questions buyers ask
Which standard covers SS 317L Pipes?
SS 317L Pipes are supplied to ASTM A312 / ASME SA312 TP317L.
What sizes of SS 317L 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 317L 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 317L 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.