ASTM A234 WPB Carbon Steel Fitting Reducing Tee Buttwelded B16.9
Tee is used to change the direction of fluid, and can be used in water
pipeline, oil pipeline and various liquid chemical material
transportation pipeline. It is mainly used in the fields of
medicine, water conservation (water irrigation, water supply and
drainage), energy (petroleum, natural gas, nuclear industry),
construction and other engineering fields.
ASTM A234 WPB Carbon Steel Buttwelded Reducing Tee is an American Standard pipe
fittings material for carbon steel elbows, tees, reducers, caps,
bends, etc. The chemical composition of ASTM A234 WPB is C≤0.03
Mn=0.29~1.06P≤0.05S≤0.058Si≥0.10Cr≤0.40Mo≤0.15Ni≤0.40Cu≤0.40V≤0.08.
ASTM A234 WPB Carbon Steel Fitting Chemical Requirements
| Element | Content, % |
| ASTM A234 WPB |
| Carbon [C] | ≤0.30 |
| Manganese [Mn] | 0.29-1.06 |
| Phosphorus [P] | ≤0.050 |
| Sulfur [S] | ≤0.058 |
| Silicon [Si] | ≥0.10 |
| Chromium [Cr] | ≤0.40 |
| Molybdenum [Mo] | ≤0.15 |
| Nickel [Ni] | ≤0.40 |
| Copper [Cu] | ≤0.40 |
| Vanadium [V] | ≤0.08 |
ASTM A234 WPB Carbon Steel Fitting Mechanical Properties
ASTM A234 Grades | Tensile Strength, min. | Yield Strength, min. | Elongation %, min |
| ksi | ksi | MPa | Longitudinal | Transverse |
| WPB | 60 | 35 | 240 | 22 | 14 |
ASTM A234 WPB Carbon Steel Fitting Tensile Requirements
Grade and Marking Symbol | WPB | WPC, WP11 CL1, WP12 CL2 | WP1 | WP11 CL1, WP22 CL1, WP5 CL1, WP9 CL1 | WPR | WP11 CL3, WP22 CL3, WP2 CL3, WP9 CL3 | WP91 | WP911 | WP12 CL1 |
Tensile strength, range Ksi [MPa] | 60-95 [415-655] | 70-95 [485-655] | 55-80 [380-550] | 60-85 [415-585] | 63-88 [435-605] | 75-100 [520-690] | 85-110 [585-760] | 90-120 [620-840] | 60-85 [415-585] |
Yield strength, min, Ksi [MPa] (0.2% offset or 0.5% extension-
under-load) | 35 [240] | 40 [275] | 30 [205] | 30 [205] | 46 [315] | 45 [310] | 60 [415] | 64 [440] | 32 [220]
|
ASTM A234 WPB Carbon Steel Fitting Typical Application Areas
(1) Petrochemical and Energy
Oil and gas transportation: Low pressure process pipelines for
transporting oil, gas, and water media in oil field gathering and
transportation pipelines and refineries
Public works: Steam, condensate, cooling water, compressed air
pipelines with working temperature ≤ 400 ℃
Equipment connection: inlet and outlet piping for pumps, valves,
storage tanks, and heat exchangers.
(2) Electric power industry
Conventional thermal power plants: medium and low pressure steam
pipelines; Boiler feedwater, drainage, and condensate systems;
Cooling water circulation pipeline.
(3) Construction and Municipal Engineering
Heating, Ventilation, and Air Conditioning (HVAC): Hot/Cold Water
Main Piping, Air Conditioning Chilled Water System.
Fire protection system: Fire sprinkler main pipe.
Water supply and drainage pipeline network: the main water supply
pipe and industrial water treatment pipeline of large buildings.
(4) General Industry
Manufacturing industry: Factory compressed air pipelines, hydraulic
oil pipelines, coolant circulation systems.
Food and beverage: Steam pipelines and cleaning water systems that
do not come into direct contact with products (requiring lining
treatment).
Shipbuilding and ocean engineering: secondary system pipelines such
as bilge water and ventilation.
