CF8 Stainless Steel Casting Parts & Valves
CF8 Stainless Steel Casting is the cast equivalent of 304 SS, produced by the investment casting process. Leesh Holdings supplies ASTM A351 CF8 casting parts for OEMs.
CF8 Stainless Steel Casting Properties
Corrosion resistant, weldable; 18% Cr 8% Ni. CF8 vs CF8M: CF8 economical; CF8M adds Mo for chlorides.
Chemical Composition (Weight %)
- Carbon (C): ≤ 0.08%
- Chromium (Cr): 18.0% – 21.0%
- Nickel (Ni): 8.0% – 11.0%
- Manganese (Mn): ≤ 1.50% (some sources specify ≤ 2.00%)
- Silicon (Si): ≤ 1.50% (some sources specify ≤ 2.00%)
- Phosphorus (P): ≤ 0.040% – 0.045%
- Sulfur (S): ≤ 0.030% – 0.040%
- Molybdenum (Mo): ≤ 0.50% (Trace/Residual)
Mechanical Properties
- Tensile Strength, Ultimate (UTS): ≥ 485 MPa (70 ksi)
- Yield Strength, 0.2% Offset: ≥ 205 MPa (30 ksi)
- Elongation at Break: ≥ 35%
- Brinell Hardness (HBW): ≤ 140 – 170 HB
- Elastic (Young’s) Modulus: ~200 GPa
- Density: ~7.8 g/cm³
| Feature | CF8 | CF8M |
|---|---|---|
| Molybdenum (Mo) Content | None or trace (≤0.5%) | High (2.0% – 3.0%) |
| Corrosion Resistance | Good; suitable for mildly corrosive environments | Excellent; strong resistance to chloride ions and pitting |
| Forged Equivalent | 304 | 316 |
| Typical Applications | Water treatment, general corrosion-resistant pipelines | Marine engineering, strong acids in chemical industry, pharmaceutical equipment |
CF8 Stainless Steel Casting Applications
Valve bodies, pump impellers, pipe fittings, food equipment. 304 vs 316 casting? We advise per media.
OEM Service
Custom per drawing, prototype to volume. Free quote in 24 hours.
Leesh : Professional Silica Sol Investment Casting Manufacturer
Depth Adjust Opener Mount
Leesh Holdings provides top Silica Sol Investment Casting Manufacturer (lost wax casting) for global industrial clients, delivering high-precision, complex metal components with consistent quality, cost efficiency, and reliable lead times.
With years of manufacturing experience and advanced production facilities, we specialize in custom investment casting solutions for aerospace, automotive, medical, machinery, marine, and other high-demand industries.
Leesh Silica Sol Investment Casting
Core Advantages of Our Investment Casting Service
✅ One Stop Solution
Full service from tooling manufacturing to finish machining, providing you with total solutions.
✅ Global Service
Professional English-speaking team with at least 5 years of global customer service experience.
✅ Experienced Engineers
Mature engineer training system, knowledgeable, energetic and enthusiastic technical support.
✅ Well-Maintained Equipment
Strict equipment maintenance ensures stable and reliable product quality and consistent performance.
✅ Cost & Production Efficiency
Low rejection rate and optimized process bring the best balance between cost and benefit for global customers.
✅ Professional Inspection & Testing
Complete quality inspection including material, dimension, NDT, scanning and strict testing for every product.
Technical Specifications & Parameters
Manufacturing MethodOEM Investment Casting Services (Lost Wax Casting)Material StandardGB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etcMain MaterialsCarbon steel, Low carbon steel, Middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc.Copper, Brass, BronzeWeight Range0.01 kgs to 100 kgsCast Hole Min.
| Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc. Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, AS2074 or according to customer specific requirement. | |
| Dia. | Ø2mm |
| General Casting Tolerance | CT4-CT7 |
| Design Software | UG, Pro-E, Inventor |
| Dwg Format | STP, STEP, IGS, STP, X_T, DXF, DWG, Pro/E, PDF, SLDPRT |
| Mould Manufacturing | Yes |
| Casting Simulation | Yes |
| Ultimate machining tolerance | 0.005mm |
| Quality Control | RT, UT, MT, PT, CMM, SCAN, Chemical and Mechanical Property Testing, Spectrometer, etc |
| Finish Roughness | Ra1.6-Ra3.2 according to customer requirement |
| Logo/ID | Silk-screening, Laser Marking, Engrave, Painting |
| Heat Treatment | Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching, etc |
| Surface Treatment | Shot/sand blast, Polishing, Surface Passivation, Painting, Anodizing, Powder coating, ED-Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting, hot-dip galvanizing, etc |
Our Investment Casting Services Scope
- Custom investment casting for metal parts (0.01kg – 100kg)
- Precision CNC machining & secondary processing
- Surface treatment: polishing, sandblasting, painting, passivation, plating
- Non-destructive testing (NDT), dimensional inspection & material certification
- Prototype & mass production solutions
Applicable Industries
Automotive
Medical Equipment
Industrial Machinery
Marine & Shipbuilding
Valve & Pump Parts
Construction Hardware
Quality Assurance
Leesh Holdings implements strict quality-every casting part under full inspection to ensure dimensional accuracy, material consistency, and performance stability for your critical applications.
Send your 2D/3D drawings to get a fast and professional custom solution!
