9.5%CR Steel

Martensitic cast steels for Supercritical and Ultra-Supercritical applications up to 620°C.

March 26, 2021

By Paul Perry

Material Grades

Martensitic cast steels for Supercritical and Ultra-Supercritical applications up to 620°C.

9.5%Cr Steel, 28,000Kg, Finish Machined

1000MW main stop and control valve comprising three fabricated castings and a forging. Supplied to China for 620°C AUSC operation.

9.5%Cr Steel, 34,000Kg, Finish Machined

1000MW main stop and control valve – left and right hand assembly. Welded assembly from eight castings. For ultra-supercritical operation.

9.5%Cr Steel, 49,895Kg, Finish Machined

1000MW main stop and control valve – left and right hand assembly. Welded assembly from eight castings. For ultra-supercritical operation.

9.5%Cr Steel, 12,500Kg, Fabricated, Finished Machined & Nitride Coated

Intermediate pressure inlet pipes, fabricated from four castings.

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