Application List

The application list will drive you through Nippon Steel material applications and subsequent proprietary grades.
Nickel Alloy

Austenitic Nickel base OCTG material required for critical well conditions combining high concentrations of CO2, H2S, Chlorides, and various levels of temperatures.

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Duplex Stainless Steel

Austenitic - Ferritic dual microstructure OCTG material required for critical well conditions combining high concentrations of CO2, Chlorides, medium H2S content, and extreme temperatures.

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Martensitic Stainless Steel

Chromium alloyed steel OCTG material commonly referred to as 13Cr, Modified 13Cr or Super13Cr, suitable for sweet environments containing CO2.

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New Sour Service

Low alloy Carbon steel OCTG material  resistant to Sulfide Stress Cracking in combined presence of H2S, water, and applied stress. SM-Series Sour Service line has been totally renewed more comprehensively with adding newly developed cutting edge materials.

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High Collapse & Sour Service

Low alloy Carbon steel OCTG material  resistant to Sulfide Stress Cracking (H2S), and providing improved Collapse resistance. This line provides the same sour service performance as the corresponding "New Sour Service" line.

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High Collapse, High Strength

Carbon steel OCTG material  that provides improved Collapse resistance, respectively higher strength resistance compared to API standard specification.

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ERW Large OD Casing

High Frequency Electric Resistance Welded (ERW) OCTG material, for Surface Casing high performance & cost effective solution.

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API

Carbon, low alloy and Martensitic stainless steel material as defined in API 5CT / ISO 11960.

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Heritage Sour Service

The heritage product documents are provided for reference purposes, while these products are not promoted anymore. New Sour Service product line meets your needs with wider coverage.

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