Grade CF8 is part of the ASTM A351 standard, which includes valves, flanges, fittings, and other components subjected to pressure and temperature. This standard is part of stainless steel alloys. Grade CF8 is made of cast stainless steel.
The buyer is responsible for specifying the grade of items such as valves, fittings, flanges, etc., that need to be procured. This selection depends on the design requirements, operating conditions, mechanical properties, high-temperature specifications, or corrosion resistance characteristics.
All casting grades, such as CF8, CF8M, CF3, and CF3M, must have appropriate thermal behavior for design and chemical specifications.
Grade CF8, which belongs to the category of cast stainless steel, has its chemical properties detailed in the table below.
| Carbon % | Manganese % | silicon % | sulfur % | phosphorus % | Chromium % | Nickel % | Molybdenum columbium (niobium) % |
| 0.08 | 1.50 | 2 | 0.040 | 0.040 | 18.0-21.0 | 8.0-11.0 | 0.5 |
Additionally, the mechanical properties of grade CF8 are as follows:
| TENSILE STRENGTH KSI (Mpa) | Yield strength ksi (Mpa) | Elongation in 2in. Or 50mm |
| 70 (485) | 30 (225) | 35 |
No Comments