YUHONG Group is a globally recognized manufacturer specializing in high-performance flanges and pressure vessel components for critical industrial applications. With ISO 9001, ASME, and PED certifications, we deliver engineered solutions for the most demanding operating conditions.
YUHONG's ASME SA182 F321H Flanges are specifically engineered for high-temperature service in:
These flanges feature stabilized titanium composition for superior resistance to intergranular corrosion at elevated temperatures (up to 816°C/1500°F).
| Property | Value | Standard |
|---|---|---|
| Material Grade | ASME SA182 F321H (Ti-stabilized) | ASME BPVC Sec. II |
| Tensile Strength | ≥ 515 MPa (75 ksi) | ASTM A370 |
| Yield Strength | ≥ 205 MPa (30 ksi) | ASTM A370 |
| Elongation | ≥ 30% | ASTM A370 |
| Hardness | ≤ 90 HRB | ASTM E18 |
| Max Operating Temp | 816°C (1500°F) | ASME B16.34 |
| Parameter | Range |
|---|---|
| Size Range | 1/2" to 48" (DN15 to DN1200) |
| Pressure Class | Class 150 to Class 2500 |
| Face Types | RF, FF, RTJ (or custom) |
| Surface Finish | 3.2 μm Ra or better |
| Test Method | Standard | Coverage |
|---|---|---|
| UT (Ultrasonic) | ASTM A388 | 100% volume inspection |
| MT (Magnetic Particle) | ASTM E709 | 100% surface examination |
| PT (Liquid Penetrant) | ASTM E165 | 100% surface inspection |
YUHONG implements strict quality control throughout manufacturing:
Customization Options Available:
