AFNOR 35NCD14 Alloy Steel Bar 35NCD14 Round Bars 35NCD14 Rod

AFNOR 35NCD14 Alloy Steel Bar 35NCD14 Round Bars 35NCD14 Rod

Name: AFNOR 35NCD14 Alloy Steel Bar 35NCD14 Round Bars 35NCD14 Rod
Brand: JAYANT IMPEX
Price: 245.0 INR
Availability: InStock

245.0 INR/Kilograms

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Product Details:

Specific Use High strength and high performance machine parts
Type Round Bar / Rod
Tolerance h9, h11 or as specified
Grade 35NCD14
Technique Hot Rolled / Forged / Cold Drawn
Application Engineering, automotive, aerospace, mechanical, structural, shafts, gears, fasteners
Standard AFNOR 35NCD14
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AFNOR 35NCD14 Alloy Steel Bar 35NCD14 Round Bars 35NCD14 Rod Price And Quantity

Minimum Order Quantity 1 Kilograms
Price 245.0 INR/Kilograms

AFNOR 35NCD14 Alloy Steel Bar 35NCD14 Round Bars 35NCD14 Rod Product Specifications

Processing Heat Treatment, Annealed, Tempered, Quenched
Finish Bright / Black / Peeled / Polished / Turned / Ground
Tolerance h9, h11 or as specified
Grade 35NCD14
Technique Hot Rolled / Forged / Cold Drawn
Application Engineering, automotive, aerospace, mechanical, structural, shafts, gears, fasteners
Standard AFNOR 35NCD14
Diameter 10mm to 300mm or as customized
Length Cut length as required, usually up to 6 meters or customized
Material AFNOR 35NCD14 Alloy Steel
Type Round Bar / Rod
Specific Use High strength and high performance machine parts

Minimum Order Quantity As per requirement
Delivery Condition Annealed / Hardened & Tempered / Peeled & Ground
Packaging Bundled or packed in wooden cases or as required by client
Elongation Approximately 13% (after heat treatment)
Tensile Strength Minimum 1100 MPa (after heat treatment)
Surface Condition Peeled, Ground, Polished, Turned
Density 7.85 g/cm3
Corrosion Resistance Moderate, can be improved by plating or coating
Hardness 32-38 HRC after heat treatment
Yield Strength Minimum 950 MPa (after heat treatment)

Product Description

The AFNOR 35NCD14 is a high-performance, high-hardenability nickel-chromium-molybdenum alloy steel specified under the French AFNOR standard. It is renowned for its exceptional tensile strength, toughness, and fatigue resistance, making it a staple material in aerospace, defense, and heavy-duty mechanical engineering applications.

Here is a comprehensive breakdown of its technical specifications, equivalents, chemical composition, and typical applications for round bars and rods.

Chemical Composition (%)

The precise balance of nickel ( $Ni$ ), chromium ( $Cr$ ), and molybdenum ( $Mb$ ) gives this grade its deep-hardening characteristics and excellent impact toughness.

Element	Minimum (%)	Maximum (%)
Carbon (C)	0.32	0.39
Nickel (Ni)	3.60	4.10
Chromium (Cr)	1.20	1.60
Molybdenum (Mo)	0.40	0.60
Silicon (Si)	0.15	0.40
Manganese (Mn)	0.30	0.60
Phosphorus (P)		0.025
Sulfur (S)		0.020

International Equivalents

While 35NCD14 is uniquely heavily alloyed (especially with its high nickel content near 4%), it closely aligns with or replaces several global high-tensile standards:

Germany (DIN / WNr): 36CrNiMo16 / 1.6773
United Kingdom (BS): 835M30
USA (AISI/SAE): Closest to 4340 / E4340 (Note: 35NCD14 has significantly higher Nickel content for superior toughness at high strength levels)
Europe (EN): 36NiCrMo16
Italy (UNI): 38NiCrMo16

Mechanical Properties (Typical Heat-Treated State)

When quenched and tempered, 35NCD14 round bars achieve a remarkable combination of high tensile strength and high yield stress without becoming brittle.

Tensile Strength ( $R_m$ ): $1100 - 1300text{ MPa}$ (can exceed $1500text{ MPa}$ depending on heat treatment)
Yield Strength ( $R_{e}$ ): $ge 900text{ MPa}$
Elongation ( $A_5$ ): $ge 10%$
Impact Energy ( $KV$ ): $ge 35text{ J}$ (at room temperature)

Key Technical Features

Deep Hardenability: Thanks to the high nickel and chromium content, heavy-section round bars maintain uniform mechanical properties from the surface right to the core.
Fatigue & Impact Resistance: Excellent performance under cyclic loading and high-stress shock environments.
Machinability: Best machined in the annealed or normalized condition; requires rigid setups and carbide tooling if machined in the fully hardened state.

Typical Applications

Because of its premium structural integrity, 35NCD14 round bars and rods are heavily utilized in critical components:

Aerospace & Defense: Landing gear components, high-stress structural shafts, and engine mountings.
Automotive & Motorsport: High-torque drive shafts, crankshafts, connecting rods, and stub axles.
Heavy Machinery: Heavy-duty gears, pinions, turbine rotors, and high-tensile clamping bolts/fasteners.

Available Supply Forms

Finishes: Hot-rolled, forged, cold-drawn, centerless ground, or turned.
Heat Treatment States: Supplied as annealed (for ease of machining) or pre-hardened (Quenched + Tempered to specific strength bands).

Optimal Performance for High-Stress Applications

The AFNOR 35NCD14 Alloy Steel Bar delivers exceptional strength and durability, backed by post-treatment hardness of 32-38 HRC and high tensile and yield strength. These qualities make it ideal for applications such as gears, shafts, fasteners, and structural machinery parts, promising reliable performance in demanding operational environments.

Customizable Specifications for Versatile Engineering

Whether you require specific diameters (10mm to 300mm), tailored lengths (up to 6 meters or customized), or unique surface finishes and tolerances (h9, h11, or as specified), the 35NCD14 bars are manufactured to exacting standards. This flexibility ensures a perfect fit for engineering, automotive, or aerospace needs, with materials supplied in hot rolled, forged, or cold drawn techniques.

FAQ's of AFNOR 35NCD14 Alloy Steel Bar 35NCD14 Round Bars 35NCD14 Rod:

Q: How is AFNOR 35NCD14 Alloy Steel Bar typically processed for optimal properties?

A: AFNOR 35NCD14 Alloy Steel Bars can be processed through heat treatment methods like annealing, tempering, and quenching. These methods enhance mechanical properties such as hardness (32-38 HRC), yield strength, and tensile strength to ensure suitability for high-stress components.

Q: What are the common applications of 35NCD14 Round Bars and Rods?

A: These bars are widely used in engineering, automotive, aerospace, and mechanical industries for manufacturing high-strength machine parts such as shafts, gears, and fasteners, as well as structural and precision components requiring reliable performance.

Q: When should a peeled, ground, or polished finish be chosen for 35NCD14 Round Bars?

A: A peeled, ground, or polished finish is recommended when enhanced surface quality and close dimensional tolerances are required, such as in components that demand precise fit and low friction, or when a bright finish is essential for further processing or assembly.

Q: Where can the corrosion resistance of AFNOR 35NCD14 bars be improved?

A: While the steel offers moderate corrosion resistance, its protection can be enhanced through additional plating or coating processes. This is particularly beneficial for parts exposed to harsher or corrosive environments over time.

Q: What benefits does AFNOR 35NCD14 offer compared to standard steels?

A: AFNOR 35NCD14 provides higher mechanical strength, superior toughness, and better wear resistance after heat treatment, making it favorable for applications requiring both performance and reliability.

Q: How can I specify my requirements for size and grade when placing an order?

A: You can specify required diameter (between 10mm and 300mm), length (up to 6 meters or customized), surface condition, finish, grade, tolerance, and delivery condition when placing an order. Minimum order quantity can be set as per your need.

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