5K/10K SS Flange
JIS B2220 Compliant Flanges for Asian & International Markets
SSM specializes in manufacturing high-quality 5K and 10K stainless steel flanges that strictly adhere to Japanese Industrial Standards (JIS B2220). Our flanges are widely used in marine, chemical, and power generation applications across Asia and worldwide.
5K/10K Flange Specifications
1. Technical Parameters Comparison
| Specification | 5K Flanges | 10K Flanges |
|---|---|---|
| Size Range | 10A-600A | 10A-600A |
| Pressure Rating | 5 kgf/cm² (0.49MPa) | 10 kgf/cm² (0.98MPa) |
| Temperature Limit | -20°C to +200°C | -20°C to +200°C |
| Face Type | Raised Face (RF) | Raised Face (RF) |
| Bolt Hole Qty | 4-28 holes | 4-28 holes |
| Material Grades | SUS304, SUS316, SUS316L | SUS304, SUS316, SUS316L |
2. Dimensional Tolerances
| Dimension | Tolerance (mm) |
|---|---|
| Outside Diameter | ±1.5 |
| Bolt Circle Diameter | ±1.0 |
| Thickness | +2.0/-1.0 |
| Bore Diameter | ±0.5 |
| Face Flatness | 0.05 per 100mm |
3. Material Properties
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| SUS304 | ≥205 | ≥520 | ≥40 |
| SUS316 | ≥205 | ≥520 | ≥40 |
| SUS316L | ≥175 | ≥480 | ≥40 |
Manufacturing Excellence
Production Process
Material Certification - JIS G4303 compliant
Precision Forging - For optimal grain structure
Heat Treatment - Solution annealing at 1040-1100°C
CNC Machining - For exact JIS dimensions
Surface Treatment - Pickling & passivation
Quality Control
100% dimensional verification
Positive Material Identification (PMI)
Liquid penetrant testing
Hardness testing (HRB scale)
Full traceability documentation
Key Advantages
✔ Strict JIS B2220 Compliance
✔ Marine-Grade Corrosion Resistance
✔ Precision Machined Surfaces
✔ Competitive Pricing - Direct manufacturer rates
✔ Quick Delivery - Asian warehouse stock
Industry Applications
• Shipbuilding & Marine - Seawater systems, ballast piping
• Chemical Plants - Acid/alkali transfer lines
• Power Stations - Cooling water systems
• HVAC - Chilled water piping
• Food Processing - Sanitary piping connections
Ordering Information
Available Types:
Slip-On (SO)
Weld Neck (WN)
Blind (BL)
Threaded (TH)
Special Options:
Mirror polish (for hygienic applications)
PTFE lining (for chemical resistance)
Custom drilling patterns
Special material grades
Contact our sales team today for:
Competitive quotations
Technical drawings
Material certifications
Delivery schedules
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