Super Duplex SAF 2507 Tubing for Sour Gas Wells
Seamless super duplex stainless steel tubing (SAF 2507) for high-pressure sour gas well applications, OD 88.9 mm, wall 8.0 mm. HTS 7304.24.60.15 applies to its seamless stainless steel construction designed as drill tubing for oil/gas extraction.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered stainless steel bars
If not specifically oilfield tubing shape/function, may classify as stainless bars/tubes.
If threaded and coupled
Tubing sold with threaded connections may classify as tube/case fittings.
If outside diameter >114.3 mm
Same spec tubing but larger diameter moves to larger OD statistical reporting.
Not sure which classification is right?
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Import Tips & Compliance
• Include PREN (Pitting Resistance Equivalent Number) calculations proving >40 for duplex stainless
• Provide hydrotest and flattening test reports per API 5CT standards
• Declare exact alloy grade (S32750) to distinguish from standard stainless for proper duty assessment
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