Alloys Poured

From pouring stainless steel to pouring aluminum, with so many alloys to choose from where do you start? Our engineers welcome the opportunity to discuss the best metals for your project.

Kovatch Castings offers one of the widest selections of alloys available in the investment casting industry. Working in both ferrous and non-ferrous alloys, our versatility enables us to pour more than 150 alloys.

Alloys We Pour

Scroll down to see a list of alloys we pour, along with specs and ratings. Though comprehensive, this list is not exhaustive.

Download Our Alloy Specification Chart
Our printable alloy specification chart is an abbreviated list of the common alloys poured at Kovatch Castings.
Download the Chart

Austentic Stainless

Alloy Type Common Casting Specifications Castability* Machinability* Corrosion Resistance* Weldability* Harden by Heat Treat Magnetic
302 AMS 5358 1 3 1 2 No No
303 ASTM A-743 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 A-297 GR HT 1 3 1 1 No No
347 AMS 5362 1 3 1 1 No No
Nitronic 50/60 ASTM A-351 1 2 2 2 No Yes
CN7M ASTM A-351 1 3 1 1 No No

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

Martensitic Stainless

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 5353 3 3 2 3 Yes Yes
 440C AMS 5352 1 3 3 4 Yes Yes
 440A IC 440A 1 3 3 4 Yes Yes
 440F IC 440F 1 2 3 4 Yes Yes
CA6NM ASTM A-487 1 2 1 2 Yes Yes
CD-4MCu ASTM A-744 1 2 1 2 Yes Yes

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

Nickel-Based Alloys

Alloy Type Common Casting Specifications Castability* Machinability* Corrosion Resistance* Weldability* Harden by Heat Treat Magnetic
Hastelloy B AMS 5396 1 3 1 2 No No
Hastelloy C AMS 5388 1 3 1 2 No No
Hastelloy X AMS 5390 1 3 2 2 No No
Monel M-35-1 ASTM A-494 M35-1 1 3 1 2 No No
Monel Comp.B ALLOY 506 1 3 1 2 No No
Monel Comp.D ALLOY S 1 3 1 2 No No
INCONEL 625 ASTM A-494 1 3 1 3 No No
INCONEL CW-2M,   ASTM A-494 1 2 1 2 No No

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

Cobalt Alloys

Alloy Type Common Casting Specifications Castability* Machinability* Corrosion Resistance* Weldability* Harden by Heat Treat Magnetic
Co4 IC Co4 1 3 1 3 No No
Co6 AMS 5387 1 4 1 3 No No
Co12 IC Co12 1 4 1 3 No No
Co19 IC Co19 1 3 1 3 No No
Co21 AMS 5385 1 3 1 2 No No
Co23 AMS 5375 1 4 1 3 No No
Co25 L 605, H.S.25 1 3 1 2 No No
Co27 AMS 5378 1 4 1 3 No No
Co30 AMS 5380 1 4 1 3 No No
Co31 AMS 5382 1 3 1 2 No No
Co93 IC Co93 3 4 2 3 No No
N-155 AMS 5376 3 4 2 3 No No

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

Copper Alloys

Alloy Type Common Casting Specifications Castability* Machinability* Corrosion Resistance* Weldability* Harden by Heat Treat Magnetic
C86500; C86200: Mn Bronze ASTM B-584 2 1 2 2 No No
C90300: Tin Bronze ASTM B-584 2 3 1 1 No No
C87500: Si Brass ASTM B-584 1 2 2 2 No No
C95500: AL Bronze ASTM B-148 1 2 2 3 Yes No
C86200: Yellow Brass ASTM B-584 2 2 2 2 No No
C83470: Tin Bronze
(Lead-Fee RedBrass)
ASTM B-584 2 2 2 2 No No

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

Carbon & Low Alloy Steels

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
1090 SAE 1090 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
4620 ASTM A-732; Gr 11Q 2 2 4 2 Yes Yes
6150 ASTM A-732; Gr 12Q 1 2 4 2 Yes Yes
8620 ASTM A-732; Gr 13Q 2 2 4 2 Yes Yes
8740 MIL-S-22141 3 3 4 2 Yes Yes
52100 ASTM A-732; Gr 15A 1 3 4 2 Yes Yes

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

Aluminum Alloys

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
C355 ASTM B-618 1 1 1 2 Yes No
356 AMS 4260 1 1 2 2 Yes No
A356 AMS 4218 1 1 2 2 Yes No
A357 ASTM B-686 1 1 2 2 Yes No
D357 AMS 4241 1 1 2 2 Yes No
535 As Cast 2 1 1 3 Yes No
40 E QQ-A-601 (17) 3 1 2 2 No No

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

P.H. (Precipitation Hardening)

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

Ferritic

Alloy Type Common Casting Specifications Castability* Machinability* Corrosion Resistance* Weldability* Harden by Heat Treat Magnetic
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

Tool Steel

Oil Hardening

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
D-3 IC CD-3 1 3 3 4 Yes Yes
0-1 IC C0-1 2 2 4 3 Yes Yes
0-2 IC-CO-2 2 2 4 3 Yes Yes
M-2 IC CM-2 2 3 4 3 Yes Yes
M-42 IC CM-42 2 3 4 3 Yes Yes

Water Hardening

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
S-5 IC CS-5 2 2 4 2 Yes Yes

Air Hardening

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
H-13 ASTM A-597;Gr CA-13 2 3 4 4 Yes Yes
H-43 UNS T20843 2 3 4 4 Yes Yes
T-1 IC CT-1 1 3 3 3 Yes Yes

* REFERENCE RATING
1 – Excellent 2 – Good 3 – Fair 4 – Poor

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