CF20 Austenitic Stainless Steel Casting Material
Austenitic Stainless Steel
Introduction
CF20 is a stainless steel grade covered by ASTM A743. Typical applications include pump and valve parts and impellers, with documented applications in food processing, marine equipment and power generation.
| Field | Value |
|---|---|
| Designation | CF20 |
| Material Type | Stainless Steel |
| Sub Type | Austenitic Stainless Steel |
| Product Form | casting |
Manufacturing Process
Investment Casting
Shell Molding Casting
Sand Casting
Equivalent Materials
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| ASTM A743 | Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application | 03 | CF20 | UNS J92602 |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM A743Edition 03 |
|---|---|
| C | ≤ 0.20 % |
| Si | ≤ 2.00 % |
| Mn | ≤ 1.50 % |
| P | ≤ 0.04 % |
| S | ≤ 0.04 % |
| Cr | 18.0–21.0 % |
| Ni | 8.0–11.0 % |
Heat Treatment
ASTM A743–03 · Heat treatment
| Step | Operation | Temperature | Cooling |
|---|---|---|---|
| 1 | Heat | ≥ 1900 °F / ≥ 1040 °C[1] | — |
| 2 | Quench or rapid cool | — | water quench or rapid cooling by other means |
Notes
ASTM A743 · Edition 03
[1] Heat treatment: sufficient time to heat casting to temperature
Mechanical Properties
Core Mechanical Properties
Notes
ASTM A743 · Edition 03
[1] Tensile Strength/Yield Strength/Elongation: Applies only when Supplementary Requirement S12 is specified; Condition: heat treatment per; separately cast keel block per S12.2 unless S12.3 agreement applies
Welding Conditions
N/A
Applications
Austenitic stainless steel ASTM A743 Grade CF20 is used for pump and valve parts and impellers, with documented applications in food processing, marine equipment and power generation. Other established cast parts include rolls, liner and sleeve components, and return bends. Other cast components used in this material family include covers and pipe fittings.
Typical settings include chemical and pharmaceutical plants, food and beverage machinery, and filling, mixing and liquid-handling systems.
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Email Us for a QuoteLast Updated: November 6, 2026