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Alloy Steel Def Stan 95-14 Round Bars, Def Stan 95-14 Rods / Def Stan 95-14Rings
1565.0 INR/Kilograms
Product Details:
- Standard Def Stan 95-14
- Technique Hot Rolled, Cold Drawn
- Diameter 6 mm to 350 mm
- Material Alloy Steel
- Specific Use Aircraft structural parts, High-stress components
- Application Aerospace, Defense, Engineering Components
- Type Round Bars, Rods, Rings
- Click to view more
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Alloy Steel Def Stan 95-14 Round Bars, Def Stan 95-14 Rods / Def Stan 95-14Rings Price And Quantity
- 1565.0 INR/Kilograms
- 100 Kilograms
Alloy Steel Def Stan 95-14 Round Bars, Def Stan 95-14 Rods / Def Stan 95-14Rings Product Specifications
- Aircraft structural parts, High-stress components
- Def Stan 95-14
- Alloy Steel
- 6 mm to 350 mm
- Hot Rolled, Cold Drawn
- Forged, Peeled, Heat Treated
- Custom lengths up to 6000 mm
- h9, h11 or as specified
- Def Stan 95-14
- Aerospace, Defense, Engineering Components
- Bright, Black, Polished
- Round Bars, Rods, Rings
- Ultrasonic tested, Destructive and Non-destructive testing available
- Smooth, Free from scale and defects
- Solution treated and aged
- 180-240 HB (typical, depending on heat treatment)
- Excellent, suitable for precision machining
- Export sea worthy packing, in bundles or wooden cases
- Annealed, Quenched & Tempered
- Good in moderate environments
- ~7.85 g/cm3
Product Description
Alloy Steel Def Stan 95-14 (UK Ministry of Defence Standard) is a high-performance, weldable,precipitation-hardening (PH) stainless steel. It is the military counterpart to the aerospace grades S143, S144, and S145 (often referred to by the trade name FV520B).
This material is primarily used in the defense and aerospace sectors for components that require a combination of high mechanical strength and moderate corrosion resistance.
1. Technical Overview
Def Stan 95-14 defines the requirements for bars, billets, and forgings made from a Chromium-Nickel-Copper-Molybdenum alloy.
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Type: Martensitic Precipitation Hardening Stainless Steel.
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Key Benefit: Unlike some high-strength steels, it is designed to be weldable while maintaining structural integrity.
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Equivalents: You will often see this material cross-referenced with BS S143,BS S144,BS S145, and the commercial grade FV520B.
2. Chemical Composition (Typical)
The alloy's strength is derived from the "precipitation" of copper-rich phases during heat treatment.
| Element | Percentage (%) |
| Chromium (Cr) | 13.20 14.70 |
| Nickel (Ni) | 5.00 5.80 |
| Molybdenum (Mo) | 1.20 2.00 |
| Copper (Cu) | 1.20 2.00 |
| Carbon (C) | 0.07 max |
| Niobium (Nb) | 0.10 0.40 |
| Manganese (Mn) | 1.00 max |
3. Mechanical Properties
Depending on the specific heat treatment condition (e.g., whether it matches the S143 or S144 strength levels), the properties generally fall within these ranges:
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Tensile Strength ($R_m$):$930 1330 text{ MPa}$
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Yield Strength ($R_{p0.2}$):$780 1030 text{ MPa}$ (Minimum)
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Elongation:$12% 15%$
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Hardness:$277 401 text{ HB}$
4. Forms and Applications
This standard covers several geometric forms essential for military hardware:
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Round Bars & Rods: Used for high-stress fasteners, shafts, and hydraulic components.
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Rings: Often used in turbine assemblies or as structural flanges in aerospace/naval defense.
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Forgings: Heavy-duty components where grain flow is critical for fatigue resistance.
Common Uses:
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Aerospace: Landing gear components and gas turbine blades.
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Defense: Armament components and structural parts for naval vessels.
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Industrial: High-speed shafts and centrifugal pump components.
5. Status Note
Standard Update: Please note that Def Stan 95-14 was officially superseded by Def Stan 95-16. If you are working on a new design, you should verify if the project requires compliance with the latest 95-16 revision or if the legacy 95-14 specification is still mandatory for spare parts.
Precision Grade and Reliability
Def Stan 95-14 alloy steel bars, rods, and rings are processed via hot rolled, cold drawn, and forged techniques, strictly adhering to international standards. Each product undergoes comprehensive ultrasonic and other testing to confirm integrity and performance, making them highly reliable for critical aerospace and defense structural parts.
Versatile Applications and Customization
Designed for versatility, these alloy steel products serve a broad range of industries-including aerospace, defense, and engineering. With customizable lengths up to 6000 mm, diameters between 6 mm and 350 mm, and multiple finish and tolerance options, clients receive solutions tailored to unique specifications.
Superior Surface and Protective Packing
Every bar, rod, or ring is finished with a bright, black, or polished appearance, ensuring a smooth, defect-free surface. Export-quality packing solutions-including bundled or wooden cases-safeguard products during global transportation, delivering materials in perfect condition wherever needed.
FAQ's of Alloy Steel Def Stan 95-14 Round Bars, Def Stan 95-14 Rods / Def Stan 95-14Rings:
Q: How are the Alloy Steel Def Stan 95-14 Round Bars, Rods, and Rings manufactured and processed?
A: These alloy steel products are made using hot rolled, cold drawn, and forged processing techniques. After shaping, they undergo various heat treatments-such as annealing, quenching, and tempering-to meet specific hardness and mechanical property requirements as per Def Stan 95-14 standards.Q: What types of testing are conducted on these products before supply?
A: Alloy Steel Def Stan 95-14 bars, rods, and rings are subjected to ultrasonic testing and both destructive and non-destructive methods. These tests ensure each piece is free from internal structural flaws, meeting the highest quality and safety standards essential for aerospace and defense applications.Q: When should these alloy steel products be selected for a project?
A: These bars, rods, and rings are ideal choices when the application demands high strength, excellent machinability, and reliable performance in aerospace, defense, or high-stress engineering environments. Their corrosion resistance and customizable sizes make them well-suited for critical and precise installations.Q: Where are Alloy Steel Def Stan 95-14 bars, rods, and rings commonly used?
A: They are widely used in the aerospace and defense sectors-such as for aircraft structural components-and in engineering industries that require high-performance materials. Their precision and durability also make them suitable for various high-stress and specialist engineering applications worldwide.Q: What surface and finishing options are available for these alloy steel products?
A: Customers can choose from bright, black, or polished surface finishes, all provided with a smooth appearance that's free from scale and defects. These finishes, combined with secure export-grade packing, ensure the products arrive undamaged and ready for immediate use.Q: How do these products benefit users in terms of machinability and performance?
A: Thanks to their excellent machinability and controlled hardness range (typically 180-240 HB), these alloy steel products can be precisely machined into complex shapes. This results in high-performance components that meet stringent requirements, reducing production downtime and cost.Tell us about your requirement
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