Martensitic Stainless Steel-1Cr11Co3W3NiMoVNbNB
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Martensitic Stainless Steel
Grade：
1Cr11Co3W3NiMoVNbNB、10Cr11Co3W3NiMoVNbNBStandards and Technical Conditions：
DZ2.6.79-2022，DZ2.6.55-2021A，SQMS20.27.02-01，GB/T8732-2004
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Product Characteristics
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1Cr11Co3W3NiMoVNbNB is a martensitic heat-resistant steel and mainly applied in bolts, nuts, blades and other parts at high-temperature section of ultra-supercritical units. This material features the high yield strength, toughness, sufficient endurance strength, long-term structural stability and oxidation resistance.
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Industrial Application
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This steel grade is mainly used for bolts, nuts, blades and other high-temperature components of ultra-supercritical gas turbine unit.
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Company Product Applications
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The Company's products are mainly used for bolts, nuts and blades of ultra-supercritical gas turbine unit.
Common Delivery Condition
Standard Heat Treatment Procedure
Main Specifications
Delivery Condition
Steel ingot: annealed condition; bars:：annealed, quenched-and-tempered,，supplied after grinding or turning
Chemical Composition
Mechanical Properties
Physical Properties
