Q125 High Collapse Casing 4 inch Alloy
4 inch OD Q125 grade seamless alloy steel casing with proprietary high collapse strength, 9.3 mm wall thickness for HPHT wells. Meets API 5CT premium class. 7304.23.6030 statistical classification.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If outside diameter >168.3 mm
Larger OD requires different statistical breakout
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Import Tips & Compliance
• Provide proprietary grade qualification documentation
• Include finite element analysis reports for collapse rating claims
• Separate proprietary grades from standard API grades on invoice
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