ASTM A234 WPB Pipe Elbows, ASME B16.9, 45/90 DEG, 6 Inch, BW

Carbon Steel Butt Weld Elbow (Butt Weld Elbow) is a bent pipe fitting connected to pipelines through butt welding, primarily used for changing fluid delivery direction. The term "butt weld" in its name refers to the connection method where the elbow is aligned with the pipe end and welded to form a permanent seal. Compared to threaded or flange-connected elbows, butt weld elbows offer the following advantages:

High Pressure Resistance: The welded structure has no leakage risk and is suitable for high-pressure environments above 16MPa (referencing ASME B31.3 standards).

Low Flow Resistance: Smooth inner walls reduce fluid turbulence and improve delivery efficiency.

Long Service Life: With no moving parts, they are less prone to corrosion or loosening.

Specification

Product Name: ASTM A234 WPB Pipe Elbow, 45/90 Degree
Standard: ASME B16.9
Material: Carbon Steel ASTM A234 WPB
Size: 6 Inch, DN150
Schedule: SCH 40
Ends: Butt Weld
Bend Radius: Long or Short Radius, LR, SR

Carbon steel elbow performance is fundamentally based on its special material formulation. As the mainstream material standard, ASTM A234 WPB achieves a perfect balance between strength and ductility through precise carbon (0.3%), manganese (0.29-1.06%), and silicon (≥0.1%) element ratios. Compared to stainless steel, carbon steel elbows have three core advantages:

• Cost advantage: Raw material costs are reduced by 40%-60%, making them particularly suitable for large-scale pipeline projects
• Welding compatibility: No special treatment is required when welding with pipes of the same material, with heat-affected zone crack rate <0.3%
• Pressure resistance: Working pressure at room temperature can reach 16MPa, which is 8-10 times that of PVC materials