High Collapse Grades Pipe

High Collapse Series (HC) grades exhibit higher collapse resistance than that determined for API 5CT/ISO 11960 products.

We provides the High Collapse Series of proprietary steel grades for oil and gas wells where high external pressures are anticipated and collapse resistances higher than API are needed.

In addition to uniform external pressures, the reservoir can exert high pressures due to ground movements or saline strata, subjecting pipes to extreme localized external pressure.
Our HC Series is available in minimum yield strengths ranging from 80 ksi to 140 ksi. These High Collapse products have higher collapse resistance than that determined for API 5CT/ISO 11960  products.

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