ASTM A234 WPB Tee, High Strength Carbon Steel Butt Weld Tee for Oil, Gas and Water Pipeline Systems
ASTM A234 WPB Tee, High Strength Carbon Steel Butt Weld Tee for Oil, Gas and Water Pipeline Systems
Brief Introduction
ASTM A234 WPB Tee is a premium carbon steel pipe fitting, manufactured in strict accordance with ASTM A234 / ASME SA234 and ASME B16.9 standards. WPB is the most widely used grade of carbon steel for medium and high-temperature service, offering excellent toughness, high tensile strength, and superior weldability. As a crucial branch component, the tee is designed to divide or combine fluid flow in a pipeline system. Available in Equal (same diameter) and Reducing (different diameter) configurations, this butt weld (BW) tee features a robust structure, precise dimensions, and reliable performance. It is specifically engineered for use in oil, gas, petrochemical, and water transmission industries, providing a cost-effective and durable solution for high-pressure and high-temperature pipeline applications.
Chemical Composition Analysis (wt%)
| Alloy Grade | C | Mn | Si | P | S | Cu | Fe |
| ASTM A234 WPB | ≤0.30 | 0.29 - 1.06 | ≤0.50 | ≤0.035 | ≤0.035 | ≤0.40 | Balance |
Typical Mechanical Properties
| Mechanical Property | Standard Requirement (Min.) | Typical Value |
| Yield Strength (Rp0.2), MPa | ≥240 (248) | 250 - 350 |
| Tensile Strength (Rm), MPa | ≥415 (485) | 420 - 550 |
| Elongation (A), % | ≥22 | 24 - 30 |
| Hardness (HB), Brinell | ≤187 | 120 - 170 |
| Impact Toughness (KV), J (@20°C) | ≥34 | 40 - 60 |
| Max. Working Temperature | 425°C | 425°C |
Available Tests
| Test Type | Standard |
| Chemical Composition Analysis | ASTM E1019, Spectrometry |
| Tensile & Impact Testing | ASTM E8, ASTM A370, Charpy V-Notch |
| Hardness Testing | ASTM E18 (Rockwell), ASTM E10 (Brinell) |
| Hydrostatic Pressure Test | ASTM A234, ASME B16.9 |
| Non-Destructive Testing (NDT) | 100% RT (Radiographic), UT, PT, MT |
| Dimensional Verification | ASME B16.9, CMM, Gauge Inspection |
| Positive Material Identification (PMI) | XRF, OES |
| Weld Procedure Qualification (WPQ) | ASME IX |
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