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 A234 is a standard specification for pipe fittings of wrought carbon steel and alloy steel suitable for moderate and high-temperature service. The fittings are designed to be used in pressure piping and in pressure vessel fabrication. The designation WPBW refers to a specific grade within this specification, indicating that the fittings are made of welded carbon steel. Carbon Steel Known for its high tensile strength and durability, carbon steel is an alloy primarily composed of iron and carbon. WPBW fittings are made from welded carbon steel, ensuring strong joints that can withstand high pressure.
ASTM A234 WPBW buttweld fittings come in various types designed to accommodate different piping needs and configurations. These include elbows, which are used to change the direction of flow in a piping system, available in 45-degree and 90-degree angles. Tees are another common type, with equal tees used to combine or split fluid flow evenly and reducing tees that connect pipes of different diameters. Reducers, both concentric and eccentric, join pipes of varying sizes while maintaining or altering the centerline, respectively. Caps are utilized to securely terminate the end of a piping system, ensuring a leak-proof closure. Crosses have four openings and are used where four pipes intersect. These fittings, fabricated from welded carbon steel, provide robust solutions for high-pressure and high-temperature applications in industries such as oil and gas, power generation, chemical processing, construction, and shipbuilding.
Testing and certification of ASTM A234 WPBW pipe fittings ensure their reliability and compliance with standards. These fittings undergo rigorous pressure tests, non-destructive testing like ultrasonic and radiographic examinations, and chemical and mechanical analysis to confirm material properties. Dimensional inspections verify precise measurements. Successful fittings receive certification, including test reports and material traceability records, guaranteeing their quality for high-pressure and high-temperature applications across various industries.
ASTM Grade | EN/DIN Equivalent | JIS Equivalent | BS Equivalent | ISO Equivalent |
---|---|---|---|---|
ASTM A234 WPBW | 1.0405 (P265GH) | G3454 STPG370 | 3602-1 CFS360 | 2604-II TS26 |
1.5415 (16Mo3) | G3456 STPT370 | 3604-1LT50 | 2604-II TS34 |
Element | ASTM A234 WPBW (%) |
---|---|
Carbon (C) | 0.30-0.35 |
Manganese (Mn) | 0.29-1.06 |
Phosphorus (P) | 0.05 max |
Sulfur (S) | 0.058 max |
Silicon (Si) | 0.10 min |
Chromium (Cr) | - |
Molybdenum (Mo) | - |
Nickel (Ni) | - |
Copper (Cu) | - |
Property | ASTM A234 WPBW |
---|---|
Tensile Strength | 60,000 psi (415 MPa) min |
Yield Strength | 35,000 psi (240 MPa) min |
Elongation | 22% min |
Hardness (Brinell) | Not specified |
Impact Testing Temperature | -20°F (-29°C) |