Introduction
CA6N is a martensitic stainless steel grade specified in ASTM A743 for general corrosion-resistant castings. Casting process options include Investment Casting, Shell Molding Casting and Sand Casting, subject to the applicable specification and component requirements.
| Field | Value |
|---|---|
| Designation | CA6N |
| Material Type | Stainless Steel |
| Sub Type | Martensitic 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 A743 | Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application | 03 | CA6N | — |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM A743Edition 03 |
|---|---|
| C | ≤ 0.06 % |
| Si | ≤ 1.00 % |
| Mn | ≤ 0.50 % |
| P | ≤ 0.02 % |
| S | ≤ 0.02 % |
| Cr | 10.5–12.5 % |
| Ni | 6.0–8.0 % |
Heat Treatment
ASTM A743–03 · Heating, reheating and aging
Notes
ASTM A743 · Edition 03
[1] Heating, reheating and aging: sufficient time to heat uniformly
Mechanical Properties
| Property | ASTM A743Edition 03 |
|---|---|
| Tensile Strength | ≥ 140 ksi[1] ≥ 965 MPa[1] |
| Yield Strength | ≥ 135 ksi[1] ≥ 930 MPa[1] |
| Elongation | ≥ 15 %[1] |
| Reduction of Area | ≥ 50 %[1] |
Notes
ASTM A743 · Edition 03
[1] Tensile Strength/Yield Strength/Elongation/Reduction of Area: 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
Typical casting applications include gate-valve body castings for water and wastewater equipment.
Last Updated: October 13, 2026