S30408 2:1 Stainless Steel Elliptical Dished Head, Polished Head RA 0.4μM (600×6)
This precision-engineered component is designed for small and medium-sized high-pressure equipment in demanding industrial applications.
Specification Parameters
- Precision: ≤ ±0.6mm concentricity tolerance, ≤ ±1mm diameter tolerance
- RA: Ra ≤ 0.4μm
- Thickness: 6mm nominal thickness with ≤ 0.3mm deviation
- Pressure Rating: 0.5MPa-10MPa operational range
Material Characteristics
S30408 food-grade stainless steel offers excellent corrosion resistance against atmospheric conditions, weak acids, alkalis, and organic media. Complies with food/pharmaceutical hygiene standards with complete MTC documentation from certified suppliers (Taiyuan Iron and Steel, Baosteel).
Forming Process
Cold forming via a 3000-ton hydraulic press with a specialised 2:1 elliptical mould maintains material integrity. Produces defect-free surfaces with optimal structural strength.
Surface Treatment Options
- Standard chemical polishing (Ra ≤ 1.6μm)
- Passivation treatment for enhanced corrosion resistance
- Optional mirror polishing (Ra ≤ 0.8μm) or sandblasting (Ra 1.6-3.2μm)
Inspection Standards
- 100% Ultrasonic Testing (UT)
- Penetrant Testing (PT) for surface defects
- Precision dimensional verification
- 1.5× rated pressure hydrostatic testing
- Comprehensive visual inspection
Certifications
Compliant with ASME BPVC Sec.VIII Div 1, PED 2014/68/EU, GB/T 25198-2010, JIS B8243. Certified under ISO 9001:2015, ASME "U" Stamp, and food contact material standards.
Application Scenarios
- Food processing: Sterilisation tanks, aseptic storage
- Pharmaceutical: Medicinal liquid tanks, GMP-compliant vessels
- Chemical processing: Solvent storage, reagent reactors
- Water treatment: RO systems, pure water tanks