What is the maximum working pressure for the Hamburg 90° Elbow, 3D Carbon Steel Fitting and how is it calculated?

The maximum working pressure for the Hamburg 90° Elbow, 3D Carbon Steel Fitting Format depends on diameter and is calculated from the pipe’s nominal pressure using the correction factors given in EN 10253 (equivalent DIN 2605-1). As standard type A elbows have uniform wall thickness, their permissible working pressure is slightly lower than that of a straight pipe of the same size. Typical allowable pressures range from 71 to 262 bar depending on diameter. Calculation: Pw = Ppipe × k, where Pw is the elbow working pressure, Ppipe is the straight pipe’s nominal working pressure for the same material and wall thickness, and k is the elbow correction factor (typically 0.7–0.8 per EN 10253/DIN 2605-1). For exact maximum working pressure use the specific pipe rating for the chosen diameter and apply the appropriate factor from the standard; material certification is provided (EN 10204 3.1) for traceability.

How do I select the correct size and material variant of the Hamburg 90° Elbow, 3D Carbon Steel Fitting for high-temperature or corrosive service?

To select the correct size and material variant of the Hamburg 90° Elbow, 3D Carbon Steel Fitting for high-temperature or corrosive service, follow these steps: 1. Assess service conditions: - Determine maximum operating temperature, pressure, and the specific corrosive agents present. - Note any cyclic thermal or mechanical loads and required lifetime. 2. Verify base product limits: - Standard Hamburg 90° Elbow, 3D Carbon Steel Fitting is made of carbon steel per EN 10253-2 (DIN 2605‑1 type 3) with EN 10204 3.1 certification. - Working pressure depends on diameter and uses correction factors (typically 0.7–0.8 of the pipe’s nominal pressure rating); permissible pressures range approx. 71–262 bar before correction. 3. Match size: - Choose elbow diameter to match pipeline nominal bore. Use EN 10253/DIN 2605‑1 correction factors to calculate allowable pressure for that diameter and ensure it exceeds your operating pressure at service temperature. 4. Account for temperature effects: - Carbon steel strength reduces at elevated temperatures. Confirm allowable pressure at your operating temperature using material temperature derating curves; if derated pressure falls below required, consider alternative materials. 5. Address corrosion: - If environment is corrosive (acidic, chloride-rich, high SOx/NOx, etc.), standard carbon steel may be inadequate. Specify corrosion-resistant alternatives (e.g., stainless steels or special alloys) available as customized options. 6. Consider standards and connections: - If your project requires ASME compliance, metric sizes, or special end preparations, request the customized variants offered by the manufacturer. 7. Request documentation and testing: - Require EN 10204 3.1 material certification and, if needed, additional testing (NDT, PMI, hardness) to confirm material suitability under your service conditions. If operating temperature or corrosivity exceed carbon steel limits, opt for a corrosion-resistant or high-temperature alloy variant and validate allowable pressure after temperature correction.

Hamburg 90° Elbow, 3D Carbon Steel Fitting

Additional information

Material	CS – steel (cast iron)

90° butt-weld elbows made of durable carbon steel are designed for pressure applications and manufactured in accordance with EN 10253-2, equivalent to DIN 2605-1 type 3. Supplied with EN 10204 3.1 material certification, they ensure full traceability and reliability in demanding industrial environments. These fittings are widely applied in the construction of pipelines and installations, serving as essential components for welded angular ends of metal and rubber hoses, as well as for threaded, flanged, and other specialized connections. As standard type A fittings, they feature uniform wall thickness across the body and welding ends, with pressure resistance slightly lower than that of a straight pipe of the same size. The permissible working pressure, ranging from 71 to 262 bar depending on diameter, should be determined using the correction factors specified in EN 10253 or DIN 2605-1, typically between 0.7 and 0.8 of the pipe’s nominal pressure rating. In addition to the standard range, customized solutions are available on request, including elbows in alternative materials, metric dimensions, or designs compliant with ASME standards, providing flexibility for diverse project requirements and ensuring optimal performance in complex piping systems.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TB-KH90-021X2,0	3D 90° Hamburg elbow, DN15, 21.3x2.0 mm, steel P235, DIN 2605-1	-	262	In stock	Enquiry
TB-KH90-026X2,3	3D Hamburg elbow 90°, DN20, 26.9x2.3 mm, steel P235, DIN 2605-1	-	237	In stock	Enquiry
TB-KH90-033X2,6	3D 90° Hamburg elbow, DN25, 33.7x2.6 mm, steel P235, EN 10253-2 A	-	214	In stock	Enquiry
TB-KH90-042X2,6	3D Hamburg elbow 90°, DN32, 42.4x2.6 mm, steel P235, EN 10253-2 A	-	168	In stock	Enquiry
TB-KH90-048X2,6	3D Hamburg elbow 90°, DN40, 48.3x2.6 mm, steel P235, EN 10253-2 A	-	147	In stock	Enquiry
TB-KH90-060X2,9	3D Hamburg elbow 90°, DN 50, 60.3x2.9 mm, steel P235, EN 10253-2 A	-	131	In stock	Enquiry
TB-KH90-076X2,9	3D Hamburg elbow 90°, DN 65, 76.1x2.9 mm, steel P235, EN 10253-2 A	-	102	In stock	Enquiry
TB-KH90-088X3,2	3D Hamburg elbow 90°, DN 80, 88.9x3.2 mm, steel P235, EN 10253-2 A	-	97	In stock	Enquiry
TB-KH90-114X3,6	3D Hamburg elbow 90°, DN 100, 114.3x3.6 mm, steel P235, EN 10253-2 A	-	84	In stock	Enquiry
TB-KH90-139X4,0	3D Hamburg elbow 90°, DN 125, 139.7x4 mm, steel P235, EN 10253-2 A	-	76	In stock	Enquiry
TB-KH90-168X4,5	3D Hamburg elbow 90°, DN 150, 168.3x4.5 mm, steel P235, EN 10253-2 A	-	71	In stock	Enquiry

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90° butt-weld elbows made of durable carbon steel are designed for pressure applications and manufactured in accordance with EN 10253-2, equivalent to DIN 2605-1 type 3. Supplied with EN 10204 3.1 material certification, they ensure full traceability and reliability in demanding industrial environments. These fittings are widely applied in the construction of pipelines and installations, serving as essential components for welded angular ends of metal and rubber hoses, as well as for threaded, flanged, and other specialized connections. As standard type A fittings, they feature uniform wall thickness across the body and welding ends, with pressure resistance slightly lower than that of a straight pipe of the same size. The permissible working pressure, ranging from 71 to 262 bar depending on diameter, should be determined using the correction factors specified in EN 10253 or DIN 2605-1, typically between 0.7 and 0.8 of the pipe’s nominal pressure rating. In addition to the standard range, customized solutions are available on request, including elbows in alternative materials, metric dimensions, or designs compliant with ASME standards, providing flexibility for diverse project requirements and ensuring optimal performance in complex piping systems.