HK30 Austenitic Stainless Steel Casting Material
Austenitic Stainless Steel
Introduction
HK30 is an austenitic stainless steel grade covered by ASTM A351. Typical family applications include furnace fixtures, support elements and burner-assembly components.
| Field | Value |
|---|---|
| Designation | HK30 |
| 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 A351 | Standard Specification for Castings, Austenitic, Austenitic-Ferritic (Duplex), for Pressure-Containing Parts | 03 | HK30 | UNS J94203 |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM A351Edition 03 |
|---|---|
| C | 0.25–0.35 % |
| Si | ≤ 1.75 % |
| Mn | ≤ 1.50 % |
| P | ≤ 0.040 % |
| S | ≤ 0.040 % |
| Cr | 23.0–27.0 % |
| Ni | 19.0–22.0 % |
| Mo | ≤ 0.50 % |
Heat Treatment
ASTM A351–03
N/A
Mechanical Properties
Core Mechanical Properties
ASTM A351 — 03 · Table 3 — Normative
| Property | as-cast |
|---|---|
| Tensile Strength | ≥ 65 ksi ≥ 450 MPa |
| Yield Strength (Rp0.2) | ≥ 35 ksi ≥ 240 MPa |
| Elongation | ≥ 10.0 % |
Welding Conditions
N/A
Applications
For austenitic stainless steel ASTM A351 Grade HK30, typical cast components in this material family include furnace fixtures, support elements and burner-assembly components. These applications include industrial heating and heat-treatment equipment. Atmosphere, loading, direct flame exposure, cyclic operation and process deposits must be considered separately from an in-air reference temperature.
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