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Stainless Steel Precision Casting Parts
Material: 304, 316, 316L Stainless Steel Process: Lost Wax Investment Precision Casting + Machining Weight: 1.70 kg Surface Treatment: Annealing, Solid Solution or other required Treatments.
As a precision casting process, the lost wax investment casting is widely used for the stainless steel and super duplex stainless steel. The secondary CNC precision machining is also in need and available at RMC.
Stainless Steel Precision Casting Parts with CNC Machining from China Investment Casting Factory.
| Equivalent Grade of Stainless Steel | |||||||
| Categroy of Stainless Steel | AISI | W-stoff | DIN | BS | SS | U.N.E. / I.H.A. | UNI |
| Martensitic and Ferritic Stainless Steel | 420 C | 1.4034 | X43Cr16 | ||||
| 440 B/1 | 1.4112 | X90CrMoV18 | |||||
| - | 1.2083 | X42Cr13 | - | 2314 | F.5263 | - | |
| 403 | 1.4000 | X6Cr13 | 403 S 17 | 2301 | F.3110 | X6Cr13 | |
| (410S) | 1.4001 | X7Cr14 | (403 S17) | 2301 | F.3110 | X6Cr13 | |
| 405 | 1.4002 | X6CrAl13 | 405 S 17 | - | F.3111 | X6CrAl13 | |
| 416 | 1.4005 | X12CrS13 | 416 S 21 | 2380 | F.3411 | X12CrS13 | |
| 410 | 1.4006 | X10Cr13 | 410 S21 | 2302 | F.3401 | X12Cr13 | |
| 430 | 1.4016 | X6Cr17 | 430 S 17 | 2320 | F.3113 | X8Cr17 | |
| 420 | 1.4021 | X20Cr13 | 420 S 37 | 2303 | F.3402 | X20Cr13 | |
| 420F | 1.4028 | X30Cr13 | 420 S 45 | (2304) | F.3403 | X30Cr13 | |
| (420) | 1.4031 | X39Cr13 | 420 S 45 | (2304) | F.3404 | - | |
| 431 | 1.4057 | X20CrNi17 2 | 431 S 29 | 2321 | F.3427 | X16CrNi16 | |
| 430F | 1.4104 | X12CrMoS17 | - | 2383 | F.3117 | X10CrS17 | |
| 434 | 1.4113 | X6CrMo17 | 434 S 17 | 2325 | - | X8CrMo17 | |
| 430Ti | 1.4510 | X6CrTi17 | - | - | - | X6CrTi17 | |
| 409 | 1.4512 | X5CrTi12 | 409 S 17 | - | - | X6CrTi12 | |
| Austenitic Stainless Steel | 304 | 1.4301 | X5CrNi18 9 | 304 S 15 | 2332 | F.3551 | X5CrNi18 10 |
| 305 | 1.4303 | X5CrNi18 12 | 305 S 19 | - | - | X8CrNi19 10 | |
| 303 | 1.4305 | X12CrNiS18 8 | 303 S 21 | 2346 | F.3508 | X10CrNiS18 09 | |
| 304L | 1.4306 | X2CrNiS18 9 | 304 S 12 | 2352 | F.3503 | X2CrNi18 11 | |
| 301 | 1.4310 | X12CrNi17 7 | - | 2331 | F.3517 | X12CrNi17 07 | |
| 304 | 1.4350 | X5CrNi18 9 | 304 S 31 | 2332 | F.3551 | X5CrNi18 10 | |
| 304 | 1.4350 | X5CrNi18 9 | 304 S 31 | 2333 | F.3551 | X5CrNi18 10 | |
| 304LN | 1.4311 | X2CrNiN18 10 | 304 S 62 | 2371 | - | - | |
| 316 | 1.4401 | X5CrNiMo18 10 | 316 S 16 | 2347 | F.3543 | X5CrNiMo17 12 | |
| 316L | 1.4404 | - | 316 S 12/13/14/22/24 | 2348 | X2CrNiMo17 12 | ||
| 316LN | 1.4429 | X2CrNiMoN18 13 | - | 2375 | - | - | |
| 316L | 1.4435 | X2CrNiMo18 12 | 316 S 12/13/14/22/24 | 2353 | - | X2CrNiMo17 12 | |
| 316 | 1.4436 | - | 316 S 33 | 2343 | - | X8CrNiMo17 13 | |
| 317L | 1.4438 | X2CrNiMo18 16 | 317 S 12 | 2367 | - | X2CrNiMo18 16 | |
| 329 | 1.4460 | X3CrNiMoN27 5 2 | - | 2324 | F.3309 | - | |
| 321 | 1.4541 | X10CrNiTi18 9 | 321 S 12 | 2337 | F.3553 | X6CrNiTi18 11 | |
| 347 | 1.4550 | X10CrNiNb18 9 | 347 S 17 | 2338 | F.3552 | X6CrNiNb18 11 | |
| 316Ti | 1.4571 | X10CrNiMoTi18 10 | 320 S 17 | 2350 | F.3535 | X6CrNiMoTi17 12 | |
| 309 | 1.4828 | X15CrNiSi20 12 | 309 S 24 | - | - | X16CrNi24 14 | |
| 330 | 1.4864 | X12NiCrSi36 16 | - | - | - | - | |
| Duplex Stainless Steel | S32750 | 1.4410 | X2CrNiMoN25 7 4 | - | 2328 | - | - |
| S31500 | 1.4417 | X2CrNiMoSi19 5 | - | 2376 | - | - | |
| S31803 | 1.4462 | X2CrNiMoN22 5 3 | - | 2377 | - | - | |
| S32760 | 1.4501 | X3CrNiMoN25 7 | - | - | - | - | |
| 630 | 1.4542 | X5CrNiCNb16-4 | - | - | - | - | |
| A564/630 | - | - | - | - | - | - | |
▶ Raw Materials Available for Stainless Steel Precision Casting:
- Carbon Steel: AISI 1020 - AISI 1060,
- Steel Alloys: ZG20SiMn, ZG30SiMn, ZG30CrMo, ZG35CrMo, ZG35SiMn, ZG35CrMnSi, ZG40Mn, ZG40Cr, ZG42Cr, ZG42CrMo...etc on request.
- Stainless Steel: AISI 304, AISI 304L, AISI 316, AISI 316L and other stainless steel grade.
- Brass and Copper.
- Other Materials and Standards on request
▶ Capabilities of Stainless Steel Investment Precision Casting
- Casting Max Size: 1,000 mm × 800 mm × 500 mm
- Casting Weight Range: 0.5 kg - 100 kg
- Annual Capacity for Steel Castings: 2,000 tons
- Tolerances Grade of Investment Casting: CT4~CT-8 or as requested.
▶ Main Production Procedure of Stainless Steel Precision Castings:
- Patterns and Tooling Design → Metal Die Making → Wax Injection → Slurry Assembly → Shell Building → De-Waxing → Chemical Composition Analysis → Melting & Pouring → Cleaning, Grinding & Shot Blasting → Post Processing or Packing for Shipment
▶ Inspecting Stainless Steel Lost Wax Precision Precision Castings
- Spectrographic and manual quantitative analysis
- Metallographic analysis
- Brinell, Rockwell and Vickers hardness inspection
- Mechanical property analysis
- Low and normal temperature impact testing
- Cleanliness inspection
- UT, MT and RT inspection
▶ Post-Casting Process
- Deburring & Cleaning
- Shot Blasting / Sand Peening
- Heat Treatment: Normalization, Quench, Tempering, Carburization, Nitriding
- Surface Treatment: Passivation, Andonizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, Polishing, Electro-Polishing, Painting, GeoMet, Zintec.
- Machining: Turning, Milling, Lathing, Drilling, Honing, Grinding.
▶ Why You Choose RMC for Custom Steel Lost Wax Casting Parts?
- Full solution from one single supplier ranging customized pattern design to finished castings and secondary process including machining, heat treatment and surface treatment.
- Costdown proposals from our professional engineers based on your unique requirement.
- Short leadtime for prototype, trial casting and any possible technical improvement.
- Bonded Materials: Silica Col, Water Glass and their mixtures.
- Manufacturing flexibility for small orders to mass orders.
- Strong outsourcing manufacturing capabilities.
▶ General Commerial Terms
- Main workflow: Inquiry and Quotation → Confirming Details / Cost Reduction Proposals → Tooling Development → Trial Casting → Samples Approval → Trial Order → Mass Production → Continuous Order Proceeding
- Leadtime: Estimatedly 15-25 days for tooling development and estimatedly 20 days for mass production.
- Payment Terms: To be negotiated.
- Payment methods: T/T, L/C, West Union, Paypal.
Lost Wax Investment Precision Casting Technical Data at RMC
R and D
Software: Solidworks, CAD, Procast, Pro-e
Lead Time for Development and Samples: 25 to 35 days
Molten Metal
Ferritic Stainless Steel, Martensitic Stainless Steel, Austenitic stainless steel, Precipitation Hardening Stainless Steel, Duplex Stainless Steel
Carbon Steel, Alloy Steel, Tool Steel, Heat Resistant Steel,
Nickle-base Alloy, Aluminium Alloy, Copper-base Alloy, Cobalt-base Alloy
Metal Standard
ISO, GB, ASTM, SAE, GOST EN, DIN, JIS, BS
Material for Shell Building
Silica Sol (Precipitated Silica )
Water Glass (Sodium Silicate)
Mixtures of Silica Sol and Water Glass
Technical Parameter
Piece Weight: 2 gram to 200 kilo gram
Max Dimension: 1,000 mm for Diameter or Length
Min Wall Thickness: 1.5mm
Casting Roughness: Ra 3.2-6.4, Machining Roughness: Ra 1.6
Tolerance of Casting: VDG P690, D1/CT5-7
Tolerance of Machining: ISO 2768-mk/IT6
Inner Core: Ceramic Core, Urea Core, Water Soluble Wax Core
Heat Treatment
Normalizing, Tempering, Quenching, Annealing, Solution, Carburization.
Surface Treatment
Polishing, Sand or Shot Blasting, Zinc Plating, Nickel Plating, Oxidation Treatment, Phosphating, Powder Painting, Geormet, Anodizing
Dimension Testing
CMM, Vernier Caliper, Inside Caliper. Depth Gage, Height Gage, Go/No go Gage,
Special Fixtures
Chemical Inspection
Chemical Compostion Analysis (20 chemical elements), Cleanliness Inspection, X-ray Radiographic Inspection, Carbon-Sulfur Analyser
Physical Inspection
Dynamic Balancing, Static Blancing, Mechanical Properties (Hardness, Yield Strength, Tensile Strength), Elongation
Production Capacity
More than 250 tons per month, more than 3,000 tons annually.
