ASME/ ANSI B16.9 | ASME B16.28 | MSS-SP-43 | BS1560 | BS4504 | BS10.
1/2"NB TO 48"NB IN.
Seamless and Welded.
Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS.
Elbow, Equal Tee, U Pipe Bend, Long & Short Stub End, Caps, Lap Joint Stub End
ASTM A403 / ASME SA403 304, 304L, 304H, 316, 316L, 316H, 316Ti, 310, 310s, 310h, 317, 317L, 321, 321h, 347, 347h, 904L
Stainless steel 347H pipe fittings offer enhanced properties over standard 347 due to their higher carbon content, which provides improved high-temperature strength and creep resistance. This makes 347H particularly suitable for applications involving elevated temperatures, such as in refineries, thermal processing industries, and high-temperature chemical environments. Compared to 347, 347H exhibits superior mechanical properties at temperatures above 800°C (1472°F), ensuring reliability under demanding thermal conditions while maintaining excellent corrosion resistance and weldability characteristic of stainless steel alloys.
Stainless steel 347H elbows are essential components in piping systems where durability and corrosion resistance are paramount. Their ability to withstand high temperatures and maintain structural integrity under demanding conditions makes them ideal for industries such as refineries, petrochemical plants, and thermal processing facilities. Available in various types like long radius, short radius, 90°, 45°, and 180° bends, these elbows facilitate efficient flow redirection and are crucial for maintaining smooth operations and structural integrity in complex piping networks.
ASTM A403 WP347H fittings undergo meticulous packing and inspection processes to ensure quality and integrity. Typically, fittings are carefully packed to prevent damage during transit, utilizing materials such as wooden cases, pallets, or crates, along with protective wrapping. Inspections include visual checks for surface defects, dimensional measurements to verify adherence to ASTM standards, and material tests like chemical composition analysis and mechanical property testing. Non-destructive testing methods such as ultrasonic examination and dye penetrant inspection further validate the fittings' quality, ensuring they meet stringent specifications before delivery to ensure reliable performance in high-pressure and high-temperature applications.
ASTM | EN (DIN) | JIS | UNS | GOST | BS | AFNOR |
---|---|---|---|---|---|---|
347 | 1.4550 (X6CrNiNb18-10) | SUS347 | S34700 | 08Х18Н12Б | 347S31 | Z6CNNb18-10 |
Grade | C (max) | Mn (max) | Si (max) | P (max) | S (max) | Cr | Ni | Mo | N | Other Elements |
---|---|---|---|---|---|---|---|---|---|---|
347 | 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0-19.0 | 9.0-13.0 | - | - | Nb: 10(C+N)-1.0 |
Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (Rockwell B) |
---|---|---|---|---|
347 | 205 | 515-750 | 40 | 70-90 |