Ultra-high Strength Steel-30（31）Si2MnCrMoVE
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Ultra-high Strength Steel
Grade：
D406AStandards and Technical Conditions：
GJB 3326-98 Specification for Ultra-High-Strength Steel Bars for Aerospace Solid Rocket Motor; GJB 3325-98 Specification for Ultra-High Strength Steel Forgings for Aerospace Solid Rocket Motor
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Product Characteristics
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D406A is a steel for pressure-resistant housings and large high-load structural components of special and designated equipment, and an ultra-high-strength steel for aerospace solid rocket motors. It is steel for pressure-resistant housings and structural components.
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Industrial Application
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The alloy's main products are bars and forgings.
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Company Product Applications
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Bars, forgings and steel ingots produced by the Company are used in components, such as aerospace solid rocket motors.
Common Delivery Condition
Standard Heat Treatment Procedure
Main Specifications
Delivery Condition
Bars are annealed, normalized + high-temperature tempered treatment, and supplied after grinding or turning.
Chemical Composition
Chemical Composition
Mechanical Properties
Physical Properties
