300 Stainless Steel Castings

If you are looking for a top foundry to cast and pour 300 stainless steel parts for your OEM products or industrial components, explore the details of our services below. At Lamothermic, we’re one of the leading suppliers of 300 stainless steel investment castings to a wide range of customers. If you have questions, or would like to request a quote on a 300 stainless steel casting for your business, contact us today.

Pouring a Casting

Optical Emission Spectrometer

Lamothermic pours a wide variety of ferrous and nonferrous alloys. Below are some of the more common alloys and specifications we can cast your parts with. If you don’t see your desired alloy on the list, we still may be able to pour it so please contact us, so we can talk about your needs.

Metallurgical Controls
We ensure all chemistries are in control by checking metal upon arrival and after each pour with a Thermo Scientific ARL 3460 Optical Emission Spectrometer.

Improved Casting Quality
We provide value added services to ensure your castings meet all required specifications of both the purchase order and blue prints. Services we offer include machining, heat treating, plating, assembly and hot isostatic processing.

300 Series Stainless Steels
302, 303, 304, 304L, 309, 310, 316, 316F, 316L, 316NM, 317, 317L, 347

Supported Specifications
ASTM A351, ASTM A743, MIL-S-81591, ASME SA351, AMS 5370C, MS 530 ASTMA744, CF8M/CF3M, CF3/CF8

AlloyHeat Treat ConditionTensile StrengthYield StrengthElongation %Hardness
302As Cast, Solution Treat70 ksi, min30 ksi30 %75 – 85 HRB
304, CF8As Cast, Solution Treat70 ksi30 ksi30 ksi75 – 85 HRB
304L, CF3As Cast, Solution Treat70 ksi30 ksi30 ksi75 – 85 HRB
310As Cast, Solution Treat65 ksi28 ksi10%75 – 85 HRB
316, CF8MAs Cast, Solution Treat70 ksi30 ksi30 %75 – 85 HRB
316L, CF3MAs Cast, Solution Treat70 ksi30 ksi30%75 – 85 HRB
316NMAs Cast, Solution Treat65 ksi25 ksi30%75 – 85 HRB
317As Cast, Solution Treat75 ksi35 ksi25%75 – 85 HRB
317LAs Cast, Solution Treat75 ksi35 ksi25%75 – 85 HRB
347As Cast, Solution Treat75 ksi35 ksi25%75 – 85 HRB