Introduction
CE20N is a austenitic stainless steel grade specified in ASTM A351 for pressure-containing cast components. Casting process options include Investment Casting, Shell Molding Casting and Sand Casting, subject to the applicable specification and component requirements.
| Field | Value |
|---|---|
| Designation | CE20N |
| Material Type | Stainless Steel |
| Sub Type | Austenitic Stainless Steel |
| Product Form | casting |
Manufacturing Process
Investment Casting
Shell Molding Casting
Sand Casting
Equivalent Grades
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| ASTM A351 | Standard Specification for Castings, Austenitic, Austenitic-Ferritic (Duplex), for Pressure-Containing Parts | 03 | CE20N | UNS J92802 |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM A351Edition 03 |
|---|---|
| C | ≤ 0.20 % |
| Si | ≤ 1.50 % |
| Mn | ≤ 1.50 % |
| P | ≤ 0.040 % |
| S | ≤ 0.040 % |
| Cr | 23.0–26.0 % |
| Ni | 8.0–11.0 % |
| Mo | ≤ 0.50 % |
| N | 0.08–0.20 % |
| Fe | balance % |
Heat Treatment
ASTM A351–03 · Direct water quench route
| Step | Operation | Temperature | Cooling |
|---|---|---|---|
| 1 | Heat treat | ≥ 2225 °F / ≥ 1220 °C | — |
| 2 | Quench | — | water |
ASTM A351–03 · Furnace cooling alternative
| Step | Operation | Temperature / holding time | Cooling |
|---|---|---|---|
| 1 | Heat treat | ≥ 2225 °F / ≥ 1220 °C | — |
| 2 | Furnace cool | ≥ 2050 °F / ≥ 1120 °C; Holding time: ≥ 15 min | furnace cool |
| 3 | Quench or rapid cool | — | water quench or rapid cooling by other means |
Mechanical Properties
| Property | ASTM A351Edition 03 |
|---|---|
| Tensile Strength | ≥ 80 ksi ≥ 550 MPa |
| Yield Strength (Rp0.2) | ≥ 40 ksi ≥ 275 MPa |
| Elongation | ≥ 30.0 % |
Welding Conditions
N/A
Applications
Typical casting applications include pressure-containing cast components such as valve bodies, flanges and fittings, subject to grade-specific service requirements.
Last Updated: October 13, 2026