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| 起源の場所: | 中国 |
| ブランド名: | YUHONG |
| 証明: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| モデル番号: | ASTM A234 WPB |
| 最小注文数量: | 1個 |
|---|---|
| 価格: | 交渉可能 |
| パッケージの詳細: | 合板ケースまたは鉄ケース |
| 受渡し時間: | 数量に依存します |
| 支払条件: | T/T、L/C |
| 供給の能力: | 月額100トン |
| ハイライト: | ASTM A234 WPB carbon steel elbow,butt weld fitting ASME B16.9,carbon steel elbow with warranty |
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This product is a carbon steel butt-welding elbow, a fundamental pipe fitting used to change the direction of a piping system. It is manufactured to meet two critical international standards, ensuring reliability for industrial applications.
Primary Material Standard: ASTM A234/A234M. This standard covers wrought carbon steel and alloy steel fittings for moderate and high-temperature service. The "WPB" is the specific material grade within this standard.
W stands for Weldable or Wrought.
P stands for Pressure.
B denotes the Grade with a specific minimum yield strength.
Dimensional Standard: ASME B16.9. This standard defines the exact dimensions, tolerances, and ratings for factory-made wrought butt-welding fittings, ensuring perfect compatibility with matching pipes.
Connection Type: Butt Weld (BW). The ends of the elbow are beveled to allow for seamless and strong welded integration into the pipeline, providing a permanent, leak-proof connection.
Manufacturing Process: The fittings are wrought (forged and worked into shape) from materials like bars, plates, or seamless tubular products, which enhances their strength and structural integrity compared to cast fittings.
The WPB grade is a common carbon steel material specified for its balanced properties suitable for a wide range of temperatures and pressures.
The following table summarizes its key chemical and mechanical requirements as per the ASTM standard:
| Property Category | Details | Standard Requirements for WPB |
|---|---|---|
| Chemical Composition | Carbon (C) | ≤ 0.30 % |
| Manganese (Mn) | 0.29 - 1.06 % | |
| Phosphorus (P) | ≤ 0.05 % | |
| Sulfur (S) | ≤ 0.058 % | |
| Silicon (Si) | ≥ 0.10 % | |
| Other Elements | Chromium, Nickel, Molybdenum, etc., within specified limits. | |
| Mechanical Properties | Tensile Strength | 415 - 585 MPa (60-85 ksi) |
| Yield Strength (min) | 240 MPa (35 ksi) | |
| Elongation (min) | ≥ 20% |
Common Types: Elbows are primarily categorized by their bending angle and radius.
By Angle: 90° (most common), 45°, and 180° return bends.
By Radius: Long Radius (LR, R=1.5D) for smoother flow and lower pressure drop, and Short Radius (SR, R=1.0D) for use in tight spaces.
Typical Applications: These fittings are widely used in industries that require robust and leak-proof piping systems:
Oil & Gas transmission and processing.
Chemical & Petrochemical plants.
Power Generation, including thermal and nuclear plants.
Water and Steam Pipelines in various industrial facilities.
Shipbuilding and marine engineering.
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