ASTM A369 FP1 (UNS K02501) Carbon and Ferritic Alloy Steel Pipe
ASTM A369 FP1 (UNS K02501) Carbon and Ferritic Alloy Steel Pipe is a high-temperature service grade manufactured for boiler, superheater, heat exchanger, and pressure vessel applications. These pipes are produced through forged and bored processes, ensuring exceptional strength, improved wall thickness consistency, and superior performance in elevated-temperature environments. With excellent creep resistance, good weldability, and consistent mechanical integrity, ASTM A369 FP1 is widely used in refineries, chemical industries, and power generation sectors.
Key Features
- Designed for high-temperature and pressure service
- Forged and Bored Construction ensures high mechanical strength
- Excellent creep resistance and long-term durability
- Good mechanical stability in heat-intensive operations
- Suitable for boilers, superheaters, and heat exchangers
- Available in custom lengths, large OD, and heavy wall thickness
Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| ASTM | FP1 |
| ASME | SA369 FP1 |
| UNS | Not Applicable |
| EN | — |
| DIN | — |
Available Sizes
-
OD: 2” to 24”
-
WT: SCH 20 to SCH XXS
-
Custom OD & Heavy Wall Thickness Made to Order
ASTM A369 FP1 (UNS K02501) Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.10 max |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.035 max |
| Silicon (Si) | 0.10 – 0.50 |
Grade FP1 (UNS K02501) Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 380 MPa (min) |
| Yield Strength | 195 MPa (min) |
| Elongation | 30% (min) |
| Hardness | — |
Grade FP1 Physical (UNS K02501) Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | ~1425–1540°C |
| Thermal Conductivity | 48 W/m·K |
| Modulus of Elasticity | 200 GPa |
Type of Grade FP1 Pipe
- Forged & Bored Pipe
- Seamless Pressure Pipe
- Large Diameter Heavy Wall Pipe
- Custom Machined Thick Wall Pipe
Applications
- Boilers
- Superheaters
- Heat Exchangers
- High-Pressure Piping
- Power Generation Plants
- Petroleum Refineries
- Chemical Process Industry
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