Alloy steel P5.
P5 is a 5% chromium, ½% molybdenum ferritic alloy steel for high-temperature pressure service.
Quick details
| Material grade | Alloy steel P5 (UNS K41545) |
|---|---|
| Forms | Pipes, Tubes, Sheets & plates, Butt-weld fittings, Flanges |
| Usage / application | Refinery heater tubes, Hot hydrocarbon process lines, Hydrogen service piping |
| 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: Alloy steel P5, 5Cr-½Mo, UNS K41545, W.Nr 1.7362, X11CrMo5
Product information for purchasing teams
P5 is a 5% chromium, ½% molybdenum ferritic alloy steel for high-temperature pressure service. The chromium resists high-temperature sulphidic corrosion and hydrogen attack, so it is common in refinery heater tubes and hot hydrocarbon lines.
Exact specification, availability and commercial details are confirmed against your enquiry.
Product forms and standards
| Form | Standard |
|---|---|
| Pipes | ASTM A335 / ASME SA335 P5 |
| Tubes | ASTM A213 T5 |
| Sheets & plates | ASTM A387 Grade 5 |
| Butt-weld fittings | ASTM A234 WP5 |
| Flanges | ASTM A182 F5 |
Equivalent grades
| Grade | UNS | Werkstoff Nr. | EN / BS | JIS |
|---|---|---|---|---|
| Alloy steel P5 | K41545 | 1.7362 | X11CrMo5 | STPA 25 |
Chemical composition, %
| Grade | C | Mn | Si | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| Alloy steel P5 | ≤ 0.15 | 0.30 – 0.60 | ≤ 0.50 | ≤ 0.025 | ≤ 0.025 | 4.00 – 6.00 | 0.45 – 0.65 |
Mechanical properties
| Property | Value |
|---|---|
| Tensile strength | ≥ 415 MPa |
| Yield strength | ≥ 205 MPa |
| Elongation | ≥ 30% longitudinal |
Values per ASTM A335 P5. Confirm against the current edition of the standard and your purchase specification.
Density: 7.85 g/cm³
Applications
- Refinery heater tubes
- Hot hydrocarbon process lines
- Hydrogen service piping
- Steam lines
Questions buyers ask
What are the equivalent grades of Alloy steel P5?
Alloy steel P5 is UNS K41545, Werkstoff 1.7362, EN X11CrMo5 and JIS STPA 25.
In which forms is Alloy steel P5 available?
Pipes to ASTM A335 / ASME SA335 P5; Tubes to ASTM A213 T5; Sheets & plates to ASTM A387 Grade 5; Butt-weld fittings to ASTM A234 WP5; Flanges to ASTM A182 F5.
What is the density of Alloy steel P5?
About 7.85 g/cm³ (7,850 kg/m³).
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.