SS 310S Tubes.
Precision tube for heat exchangers, boilers, condensers and instrumentation lines. Supplied to ASTM A213 TP310S.
Quick details
| Material grade | SS 310S (UNS S31008) |
|---|---|
| Standard | ASTM A213 TP310S |
| Type | Seamless, Welded, U-bent heat-exchanger tube, Instrumentation tube |
| Outside diameter | 6 mm to 101.6 mm (1/4" to 4"); other sizes on enquiry |
| Usage / application | Furnace parts and radiant tubes, Burner and combustion components, Heat-treatment baskets and fixtures |
| 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 310S tube, 310S stainless steel tube, stainless steel 310S tube, ASTM A213 TP310S tube, UNS S31008 tube, 1.4845 tube
Product information for purchasing teams
SS 310S is a 25% chromium, 20% nickel heat-resisting grade. It resists oxidation in continuous service up to about 1100 °C, which makes it a standard choice for furnace parts, burners, radiant tubes and kiln fixtures.
Exact specification, availability and commercial details are confirmed against your enquiry.
SS 310S Tubes specifications
| Material standard | ASTM A213 TP310S |
|---|---|
| Grade | SS 310S, UNS S31008, W.Nr 1.4845 |
| Outside diameter | 6 mm to 101.6 mm (1/4" to 4"); other sizes on enquiry |
| Wall thickness | 0.5 mm to 5 mm, or BWG gauge |
| Lengths | Straight lengths up to 6 m standard; longer and U-bent on enquiry |
| Finish | Annealed and pickled, bright annealed, polished |
| Testing | Hydrostatic or eddy current, flattening, flaring, PMI |
| Documents | Mill test certificate to EN 10204 3.1; 3.2 on request |
Equivalent grades
| Grade | UNS | Werkstoff Nr. | EN / BS | JIS |
|---|---|---|---|---|
| SS 310S | S31008 | 1.4845 | X8CrNi25-21 | SUS 310S |
Chemical composition, %
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| SS 310S | ≤ 0.08 | ≤ 2.00 | ≤ 1.50 | ≤ 0.045 | ≤ 0.030 | 24.0 – 26.0 | 19.0 – 22.0 | ≤ 0.75 |
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
- U-bent heat-exchanger tube
- Instrumentation tube
Applications
- Furnace parts and radiant tubes
- Burner and combustion components
- Heat-treatment baskets and fixtures
- Kilns and cement plant parts
Questions buyers ask
Which standard covers SS 310S Tubes?
SS 310S Tubes are supplied to ASTM A213 TP310S.
What sizes of SS 310S Tubes does Steel Impex India supply?
Outside diameter: 6 mm to 101.6 mm (1/4" to 4"); other sizes on enquiry. Wall thickness: 0.5 mm to 5 mm, or BWG gauge. Exact availability is confirmed for each enquiry.
Do SS 310S Tubes 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 310S Tubes quotation?
Send OD, wall thickness or BWG, length, straight or U-bent, 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.