Kovatch Castings offers one of the widest selections of alloys available in the investment casting industry. We can offer you more than 150 ferrous and non-ferrous materials to meet your project demands. From stainless steel to aluminum, our engineers welcome the opportunity to discuss the best metals for your project.
Scroll down to see a list of alloys we pour, along with specs and ratings. Though comprehensive, this list is not exhaustive.
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| 1020 | MIL-S-81591 | 2 | 2 | 4 | 2 | Yes | Yes |
| 1025 | ASTM A-216 WCB | 2 | 2 | 4 | 2 | Yes | Yes |
| 1030 | MIL-S-81591 | 2 | 2 | 4 | 2 | Yes | Yes |
| 1045 | MIL-S-81591 | 1 | 3 | 4 | 2 | Yes | Yes |
| 1050 | MIL-S-81591 | 1 | 3 | 4 | 2 | Yes | Yes |
| 4130 | AMS 5336 | 2 | 2 | 4 | 2 | Yes | Yes |
| 4140 | AMS 5338 | 2 | 2 | 4 | 2 | Yes | Yes |
| 4340 | AMS 5330 | 2 | 2 | 4 | 2 | Yes | Yes |
| 6150 | MIL-S-22141 | 1 | 2 | 4 | 2 | Yes | Yes |
| 8620 | MIL-S-22141 | 2 | 2 | 4 | 2 | Yes | Yes |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| Co3 | IC Co3 | 1 | 3 | 1 | 3 | No | No |
| Co6 | AMS 5387 | 1 | 4 | 1 | 3 | No | No |
| Co21 | AMS 5385 | 1 | 3 | 1 | 2 | No | No |
| Co25 | H.S.25 (L605) | 1 | 3 | 1 | 2 | No | No |
| Co31 | AMS 5382 | 1 | 3 | 1 | 2 | No | No |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| 355 | ASTM B-618 | 1 | 1 | 2 | 2 | Yes | No |
| 356 | AMS 4260; AMS 4218 | 1 | 1 | 2 | 2 | Yes | No |
| 357 | ASTM B-686 | 1 | 1 | 2 | 2 | Yes | No |
| 712 | QQ-A-601 (17) | 3 | 1 | 2 | 2 | No | No |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| Monel M-35-1 | ASTM A494 M35-1 | 1 | 3 | 1 | 2 | No | No |
| INCONEL | AMS 5402-A | 1 | 2 | 1 | 2 | No | No |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| C90300: Tin Bronze | ASTM B-584 | 2 | 3 | 1 | 1 | No | No |
| C87500: Si Brass | ASTM B-584 | 1 | 2 | 2 | 2 | No | No |
| C86200: Yellow Brass | ASTM B-584 | 2 | 2 | 2 | 2 | No | No |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| 303 | ASTM A743 | 2 | 2 | 1 | 3 | No | No |
| 304 | AMS 5370 | 1 | 3 | 1 | 1 | No | No |
| 310 | AMS 5366 | 1 | 3 | 1 | 1 | No | No |
| 316 | AMS 5360 | 1 | 3 | 1 | 2 | No | No |
| 330 | ASTM A297 GR HT | 1 | 3 | 1 | 1 | No | No |
| 347 | AMS 5362 | 1 | 3 | 1 | 1 | No | No |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| 410 | AMS 5350 | 2 | 2 | 3 | 3 | Yes | Yes |
| 416 | AMS 5349 | 3 | 1 | 3 | 4 | Yes | Yes |
| 420 | MIL-S-81591 | 2 | 2 | 3 | 3 | Yes | Yes |
| 431 | AMS 5372 | 3 | 3 | 2 | 3 | Yes | Yes |
| 436 | AMS 5354 | 3 | 3 | 2 | 3 | Yes | Yes |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| 15-5 | AMS 5346 | 2 | 2 | 1 | 1 | Yes | Yes |
| 17-4 | AMS 5355 | 2 | 2 | 1 | 1 | Yes | Yes |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| D-2 | IC CD-2 | 1 | 3 | 3 | 4 | Yes | Yes |
| 0-1 | IC C0-1 | 2 | 2 | 4 | 3 | Yes | Yes |
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| A-2 | ASTM A-597; Gr CA-2 | 1 | 3 | 4 | 4 | Yes | Yes |
* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor
| Alloy Type | Common Casting Specifications | Castability* | Machinability* | Corrosion Resistance* | Weldability* | Harden by Heat Treat | Magnetic |
|---|---|---|---|---|---|---|---|
| S-2 | IC CS-2 | 2 | 2 | 4 | 2 | Yes | Yes |
Download Our Alloy Specification Chart
Our printable alloy specification chart is an abbreviated list of the common alloys poured at Kovatch Castings.
