Stainless Steel Investment Castings

Stainless Steel Investment Castings

Stainless Steel investment casting, also known as the lost-wax casting process, is a specialized method used to create complex and high-quality Stainless Steel components. It is particularly advantageous for producing parts with intricate details, tight tolerances, and excellent surface finishes. This casting process is widely employed in various industries, including aerospace, automotive, medical, and more, where precision and durability are critical.

  • Easily convert multiple parts into single assemblies
  • Intricate, near-net shape parts without secondary machining
  • Surface texture of 125 rms or better
  • Thin walls for weight reduction opportunities
  • Highly complex dimensional geometry
  • Tolerances within +/- .005 inches per linear inch

From concept to completion, Conex can help you meet the form, fit, and function of your design.

Stainless Steel Investment Casting Inventory
302IC CF20, AMS 5358B, ASTM A-743, MIL-S-81591
303IC CF-16F, AMS 5341B, ASTM A-743, MIL-S-81591
304IC CF-8, AMS 5370B, ASTM A-351, MIL-S-81591
304LIC CF-3, AMS 5317C, ASTM A-351, MIL-S-81591
310IC CK-20, ASTM A-351, MIL-S-81591, UNS S3100
316IC CF8M, AMS 5360D, ASTM A-351, MIL-S-81591
316LIC CF3M, AMS 5361D, ASTM A-351, MIL-S-81591
347IC CF-8C, AMS 5362G, ASTM A-351, MIL-S-81591
CN7MASTM A-351, ASTM A-743
CA6NMASTM A-352
410IC CA-15, AMS 5350 G, ASTM A-487, MIL-S-81591
416IC 416, AMS 5349B, MIL-S-81591
420IC CA-40, MIL-S-81591
440CIC 440C, AMS 5352C, MIL-S-51891
442ASTM A-743 GR CB30

 Various Grades Of Stainless Steel Used For Investment Casting
AISI/SAE grade (USA)EN steel number (Europe)EN steel name (Europe)ASTM grade (USA)UNS (USA)DIN (Germany)BS (UK)UNI (Italy)JIS (Japan)
SS 3011.431X10CrNi18-8S30100
SS 301LN1.4318X2CrNiN18-7
 SS 303 1.4305 X8CrNiS18-9 S30300 X10CrNiS18-9 303S 31 X10CrNiS18-09 SUS 303
En58M
SS 3041.4301X2CrNi19-11S30400X5CrNi18-9304S 15X5CrNi18-10SUS 304
X2CrNi18-10X5CrNi18-10304S 16SUS 304-CSP
XCrNi19-9304S 18
304S 25
En58E
SS 304L1.4306X2CrNi19-11S30403304S 11SUS304L
SS 304LN1.4311X2CrNiN18-10S30453
SS 304H1.4948X6CrNi18-11S30409
SS 3051.4303X5CrNi18-12S30500
SS 3161.4401X5CrNiMo17-12-2S31600X5CrNiMo17 12 2316S 29X5CrNiMo17 12SUS 316
1.4436X5CrNiMo18-14-3X5CrNiMo17 13 3316S 31X5CrNiMo17 13SUS316TP
X5CrNiMo 19 11316S 33X8CrNiMo17 13
X5CrNiMo 18 11En58J
SS 316L1.4404X2CrNiMo17-12-2S31603316S 11SUS316L
SS 316LN1.4406X2CrNiMoN17-12-2S31653
1.4429X2CrNiMoN17-13-3
SS 316Ti1.4571S31635X6CrNiMoTi17-12320S 33
SS 317L1.4438X2CrNiMo18-15-4S31703
1.4848GX40CrNiSi25-20A351 HK40J94204SEW 595 GX40CrNiSi25-20310C40SCH22
1.4859GX10NiCrSiNb32-20N08151GX10NiCrSiNb32-20
SS 347H1.4906X7CrNiNb18-10S34709
SS 410S41000
SS 4301.4016S43000X6Cr17430S 17SUS430

The Stainless Steel investment casting process involves the following steps:

  1. Creating the Wax Pattern: The process begins with the creation of a wax pattern of the desired Stainless Steel component. This can be done by injecting molten wax into a mould that is formed by using the original pattern or a 3D model of the part.
  2. Assembly of the Wax Patterns: Once the individual wax patterns are created, they are assembled together onto a wax tree, also known as a sprue. Several wax patterns may be combined on a single tree to optimize the casting process.
  3. Investment Moulding: The wax tree with the assembled patterns is coated with a refractory ceramic material, known as the investment. This investment material hardens around the wax patterns, forming a ceramic shell. The investment shell serves as the mould for the final Stainless Steel casting.
  4. De-Waxing: The investment shell, now containing the hollow cavities left by the melted wax, is heated in an autoclave or furnace. The high temperature melts and vaporizes the wax, leaving behind a cavity with the exact shape of the original pattern within the hardened investment mould. This step is called “de-waxing” or “dewaxing.”
  5. Preheating: Once the wax has been removed, the investment mould is preheated to prepare it for the molten Stainless Steel.
  6. Casting: Molten Stainless Steel is poured into the preheated investment mould under controlled conditions. The high temperature allows the Stainless Steel to fill the cavity and take the shape of the original wax pattern.
  7. Solidification and Cooling: The molten stainless steel solidifies within the investment mould. After a suitable cooling time, the mould is broken or removed to reveal the Stainless Steel casting.
  8. Finishing: The Stainless Steel casting may undergo additional finishing processes such as removal of the sprue, grinding, polishing, and machining to achieve the desired final appearance and dimensions.

Stainless Steel investment casting offers several advantages, including the ability to produce complex shapes and thin-walled parts with high accuracy and surface finish. It also allows for the use of various Stainless Steel alloys, each offering specific properties such as corrosion resistance, high strength, and heat resistance.

We offer Stainless Steel casting Stainless Steel Castings Stainless Steel 304 316 Castings SS casting SS Castings facility up to 40 kg in weight and Stainless Steel SS castings up to 1 meter in length. Our sand casting facility is well equipped to tackle any challenging SS Casting job or Stainless Steel castings enquiry.

Material:

Stainless Steel SS 304 316 316L 202  Alloys
Any special Stainless steel Casting  Material Composition as per customers requirement

Stainless Steel  Casting Weights: from 10 Grams to 40 kg’s

We can offer Stainless Steel SS machined castings casting cast parts

Size :
Specification or as per custom design or requirement.

Finish And Coating:
Natural, Nickel Plated, Electro Polished Plated or any coating as per customer specification.

Any kind of special die casting sand gravity die lost wax shell moulding castings and cast parts casting produced to user specifications. We can be more competitive than Chinese castings and cast parts made in China Taiwan Asia Korea as traditional Indian expertise in Brass castings and Brass casting is superior and Indian Stainless Steel foundry/foundries are more competitive than other SS Stainless Steel foundries.

We shall be pleased to develop Non-Standard Stainless Steel castings SS Stainless Steel Casting.