Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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YUHONG is a reputable supplier and manufacturer based in China, offering high-quality ASME/ANSI/DIN standard 304 stainless steel flanges. We have immediate delivery programs available for standard size UNS S30400 Stainless Steel Butt Weld Flanges and SS DIN 1.4301 Threaded Flanges.
Stainless Steel ASTM A182 F304/F304L Pipe Flanges are widely utilized in low-pressure piping systems, as they allow for easy connection to pipes and equipment without welding. Although welding can be performed around the joint after assembly, it is not recommended as an ideal method to enhance its application. Class 304L Threaded Flanges, also known as 304 Stainless Steel Threaded Flanges, are similar to SS 304 Slip Flanges but feature threaded holes for convenient assembly without welding. Stainless steel 304H pipe flanges are typically used with externally threaded pipes.
We offer a diverse range of flanges, including ASME B16.48 F304 Butt Weld Flanges, ANSI B16.5 304 Socket Weld Flanges, 304L Stainless Steel Blind Flanges, SS 304 Orifice Plate Flanges, SS 304 Blind Hole Flanges, B16.47 F304L Thread/Thread Flanges, ASME B16.48 F304L Reducing Flanges, EN 1092-1 SS 304 Ring Joint Flanges (RTJ), and more. These flanges are manufactured in our factory and cater to various industries such as shipbuilding, oil refineries, paper mills, power generation, pharmaceutical plants, petrochemical plants, waste treatment companies, water treatment plants, turnkey projects, and more.
Werkstoff No 1.4301 Stainless Steel Industrial Flanges Specification
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| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
| SS 304H | 1.4301 | S30409 | – | – | – | – | – |
| Stainless Steel 304/304L Flanges Type | Size | |
| ASTM A182 F304 Slip-On Flanges | ASTM A182 F304 Threaded Flanges | Sizes 1/8″ – 36″ Raised Face or Flat Face |
| ASTM A182 F304L Weld Neck Flanges | ASTM A182 F304L Socket Weld Flanges | |
| ASTM A182 F304H Blind Flanges | ASTM A182 F304H Reducing Flanges | |
| ASTM A182 F304 Lap Joint Flanges | SS 304 Flanges | |
| ASTM A182 F304 Orifice Flanges | ASTM A182 F304L Forged Flanges | |
| ASTM A182 F304 Ring Type Joint Flanges | ASTM A182 F304H Square Flanges | |
| Tensile Strength | Yield Strength (0.2%Offset) | Melting Point | Density | Elongation | |
| SS 304 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 1400 °C (2550 °F) | 8.0 g/cm3 | 35 % |
| SS 304L | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 1400 °C (2550 °F) | 8.0 g/cm3 | 35 % |
| SS 304H | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 1400 °C (2550 °F) | 8.0 g/cm3 | 40 % |
