CG12 Austenitic Stainless Steel Casting Material
Austenitic Stainless Steel
Introduction
CG12 is a stainless steel grade covered by ASTM A743. Typical family applications include pump casings, impellers, valve bodies, covers and pipe fittings.
| Field | Value |
|---|---|
| Designation | CG12 |
| 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 | CG12 | UNS J93001 |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM A743Edition 03 |
|---|---|
| C | ≤ 0.12 % |
| Si | ≤ 2.00 % |
| Mn | ≤ 1.50 % |
| P | ≤ 0.04 % |
| S | ≤ 0.04 % |
| Cr | 20.0–23.0 % |
| Ni | 10.0–13.0 % |
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 CG12 is typically used for cast components for water systems, offshore platforms and heat-exchanger equipment. Other cast components used in this material family include pump casings, impellers, valve bodies, 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