Alloy Steel 17Cr3 Round Bar 17Cr3 Bars 17Cr3 Rods

Alloy Steel 17Cr3 Round Bar 17Cr3 Bars 17Cr3 Rods

Name: Alloy Steel 17Cr3 Round Bar 17Cr3 Bars 17Cr3 Rods
Brand: JAYANT IMPEX
Price: 145.0 INR
Availability: InStock

145.0 INR/Kilograms

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Product Details:

Application Automobile Components, Gears, Shafts, Forgings, and Engineering Parts
Standard DIN 17200 / EN 10083-3
Finish Bright, Black, Polished
Tolerance H9, H11 or as per requirement
Material Alloy Steel 17Cr3
Processing Peeled, Turned, Ground, Polished
Diameter 10mm to 300mm
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Alloy Steel 17Cr3 Round Bar 17Cr3 Bars 17Cr3 Rods Price And Quantity

Price 145.0 INR/Kilograms
Minimum Order Quantity 1 Kilograms

Alloy Steel 17Cr3 Round Bar 17Cr3 Bars 17Cr3 Rods Product Specifications

Tolerance H9, H11 or as per requirement
Finish Bright, Black, Polished
Diameter 10mm to 300mm
Processing Peeled, Turned, Ground, Polished
Material Alloy Steel 17Cr3
Application Automobile Components, Gears, Shafts, Forgings, and Engineering Parts
Standard DIN 17200 / EN 10083-3
Technique Hot Rolled / Cold Drawn
Type Round Bar, Rod, Bar
Length 2 to 6 Meter or Custom Cut Lengths
Grade 17Cr3
Specific Use For Manufacturing High Strength and Toughness Components in Engineering Applications

Yield Strength Minimum 340 MPa
Test Reports Ultrasonic Tested / Chemical & Mechanical Tested
Surface Condition Smooth, Free from Surface Defects
Hardness 160 - 230 HB
Tensile Strength Between 570-700 MPa
Elongation Minimum 16%
Density 7.85 g/cm3
Shape Round
Delivery Condition Annealed / Hardened & Tempered

Product Description

17Cr3 (Material Number: 1.7016) is a classic European case-hardening (carburizing) alloy steel designed for light-to-medium stressed components that require a highly wear-resistant surface combined with a ductile, shock-absorbing core.

Compared to the 20MnCr5 grade we previously looked at, 17Cr3 features lower manganese and slightly lower carbon, making it highly economical and exceptionally easy to forge and machine, though it is typically used for parts with smaller cross-sections.

Here is the complete technical profile for 17Cr3 alloy bars, round bars, and rods:

Chemical Composition (%)

The chemistry of 17Cr3 relies on a modest, precise addition of chromium to improve hardenability and grain refinement during the case-hardening process.

Element	Min (%)	Max (%)
Carbon (C)	0.14	0.19
Chromium (Cr)	0.70	1.00
Manganese (Mn)	0.40	0.70
Silicon (Si)		0.40
Phosphorus (P)		0.025
Sulfur (S)		0.035 *

* Note: For optimized high-speed machining on CNC lines, a controlled sulfur variant (17CrS3 / 1.7014) is often supplied with a sulfur content between 0.020% and 0.040%.

International Equivalents & Cross-References

Werkstoff Number: 1.7016 (Standard) / 1.7014 (Free-machining S variant)
EN / DIN Standard: 17Cr3 / 17CrS3 (EN 10084)
SAE / AISI (USA): AISI 5015 (Closest chemical match)
AFNOR (France): 18C3
JIS (Japan): ~SCr415

Mechanical Properties (Typical Core Values after Heat Treatment)

After the component is machined, carburized (surface infused with carbon), quenched, and low-temperature tempered, it yields the following core properties:

Core Tensile Strength ( $R_m$ ): $700 - 1000 text{ MPa}$ (depending on bar diameter)
Core Yield Strength ( $R_e$ ): $ge 490 - 540 text{ MPa}$
Elongation ( $A_5$ ): $ge 11%$
Typical Surface Hardness: 5862 HRC (Rockwell C), providing great resistance to abrasive wear and adhesive scuffing.

Typical Applications

Because 17Cr3 provides a tough core and an extremely hard skin at a cost-effective price point, it is favored for smaller components, light vehicle parts, and standard mechanical hardware:

Automotive & Consumer Goods: Small gears, steering knuckles, selector shafts, pins, bushings, and universal joints.
General Engineering: Light-duty drive shafts, dowel pins, guide pillars, and link pins.
Fasteners & Hardware: Specialized clamping rods, pivoting pins, and high-wear levers.

Processing & Delivery States

Supply Profiles: Available as hot-rolled, centerless ground, cold-drawn, or turned bright round bars.
Machinability: In its soft-annealed (+A) or treated for shearability (+S) conditions, 17Cr3 displays excellent machinability with low tool wear, cleaner chip formation, and a high-quality surface finish prior to case hardening.
Heat Treatment Tip: Carburizing is typically carried out at $880^circtext{C} - 980^circtext{C}$ , followed by a direct or delayed quench in oil or polymer, and a mandatory temper at $150^circtext{C} - 200^circtext{C}$ to relieve internal stresses without sacrificing surface hardness.

Precision Crafted for Engineering Excellence

Each 17Cr3 round bar or rod is produced using hot rolling or cold drawing techniques, ensuring exceptional dimensional accuracy and adherence to tight tolerances (H9, H11 or specified). The round bars are specially processed through peeling, turning, grinding, and polishing for a consistent, smooth, and defect-free surface, making them suitable for critical automotive and engineering uses.

Reliable Performance Backed by Rigorous Testing

All round bars and rods undergo ultrasonic, chemical, and mechanical testing before dispatch. This multi-stage inspection guarantees the absence of internal and surface defects while confirming both material composition and mechanical properties. The bars meet all requirements for automotive and engineering applications, delivering safety and reliability.

Multiple Applications and Customizable Solutions

17Cr3 alloy steel bars are favored for manufacturing automobile components, gears, shafts, forgings, and other engineering parts requiring high strength and toughness. Available in lengths from 2 to 6 meters or as custom cuts, these products are tailored for versatile industrial requirements, ensuring seamless integration into diverse applications.

FAQ's of Alloy Steel 17Cr3 Round Bar 17Cr3 Bars 17Cr3 Rods:

Q: How are Alloy Steel 17Cr3 Round Bars typically processed and finished?

A: These round bars can be hot rolled or cold drawn, then further processed by peeling, turning, grinding, and polishing. They are available in bright, black, or polished finishes, providing optimum surface smoothness and eliminating defects.

Q: What are the main advantages of using 17Cr3 alloy steel for round bars?

A: 17Cr3 alloy steel offers excellent strength, toughness, and machinability, with a yield strength of at least 340 MPa and tensile strength between 570-700 MPa. It ensures reliable performance in demanding applications such as gears, shafts, and automobile components.

Q: Where are 17Cr3 round bars and rods most commonly used?

A: They are widely used in the manufacturing of automobile components, gears, shafts, forgings, and various high-strength engineering parts, owing to their superior mechanical properties and durability.

Q: When is it best to choose an annealed versus a hardened & tempered delivery condition?

A: Select annealed bars for easier machinability during further manufacturing. Choose hardened & tempered bars when immediate high strength and toughness are required for the end application, such as finished gears or load-bearing shafts.

Q: What testing and certifications are provided with these bars and rods?

A: All products come with comprehensive ultrasonics, chemical, and mechanical test reports. Testing ensures compliance with DIN 17200 / EN 10083-3 standards as well as internal and external quality assurance.

Q: Can lengths and diameters be customized for specific projects?

A: Yes, 17Cr3 round bars and rods are available in standard lengths of 2 to 6 meters and diameters from 10mm to 300mm. Custom cut lengths and non-standard sizing are also offered to meet unique project requirements.

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