EN25 Alloy Steel Round Bar Supplier Mumbai for High-Strength Engineering Components
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Meta Description: EN25 Alloy Steel Round Bar Supplier Mumbai supplying high-strength nickel chromium molybdenum steel for shafts, gears, axles, hydraulic parts, spindles and heavy engineering.
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Table of Contents
- What Is EN25 Alloy Steel Round Bar?
- EN25 Steel Grade and Material Designation
- EN25 Chemical Composition
- EN25 Mechanical Properties
- Why EN25 Is Used in Heavy Engineering
- EN25 Round Bar Applications
- EN25 Heat Treatment
- EN25 Machining and Fabrication
- EN25 Round Bar Sizes and Finishes
- EN25 Round Bar Specifications
- What Affects EN25 Round Bar Price?
- How to Buy EN25 Round Bar
- EN25 Round Bar Supplier in Mumbai
- Frequently Asked Questions
- Request a Quote
What Is EN25 Alloy Steel Round Bar?
EN25 Alloy Steel Round Bar is a nickel-chromium-molybdenum engineering steel used for components where a combination of strength, toughness and wear resistance is required.
EN25 is generally supplied in applications where a conventional carbon steel may not provide the required mechanical performance.
The alloy is associated with engineering components such as:
- Shafts
- Axles
- Connecting rods
- Spindles
- Hydraulic components
- Pins
- Pump shafts
- Torsion bars
- Gears
- Heavy-duty machine parts
Manan Steel & Metals currently lists EN25 Alloy Steel Round Bar in its published EN-series product range.
View the Manan Steel & Metals EN25 Alloy Steel Round Bar information
EN25 Steel Grade and Material Designation
EN25 is a commercial EN-series engineering-steel designation that has been used for demanding mechanical applications.
The grade is generally associated with a nickel-chromium-molybdenum alloy-steel chemistry, with alloying elements selected to improve strength and toughness.
For procurement, the material should be identified using the designation given on the customer’s drawing or purchase specification.
A typical enquiry can state:
Material: EN25 Alloy Steel
Product: Round Bar
Diameter: Required size
Length: Required length
Condition: Hardened & Tempered / As Required
Finish: Bright / Ground / Turned / As Required
Quantity: Required quantity
Testing: As specified
Published Manan information describes EN25 as a nickel-chromium-molybdenum engineering steel commonly supplied in hardened-and-tempered condition.
EN25 Chemical Composition
The alloying elements in EN25 are important to its hardenability and final mechanical properties.
A commonly published EN25 composition is approximately:
| Element | Typical Content |
|---|---|
| Carbon (C) | 0.30–0.40% |
| Silicon (Si) | 0.10–0.40% |
| Manganese (Mn) | 0.50–0.80% |
| Nickel (Ni) | Around 2.30–2.70% |
| Chromium (Cr) | Around 0.50–0.80% |
| Molybdenum (Mo) | Around 0.20–0.40% |
| Iron (Fe) | Balance |
Exact chemical limits depend on the applicable specification and product condition.
The combination of nickel, chromium and molybdenum gives the steel a stronger hardening response than ordinary carbon engineering steels.
For an actual purchase, the Mill Test Certificate should always be used to verify the chemistry of the supplied heat.
EN25 Mechanical Properties
EN25 is typically selected for components requiring a stronger and tougher material condition than ordinary low- or medium-carbon engineering steels.
Its final properties depend on:
- Bar diameter
- Heat-treatment condition
- Quenching method
- Tempering temperature
- Material quality
- Section size
Published Manan information describes EN25 as having high tensile strength, shock resistance, ductility and wear resistance and notes its use in hardened-and-tempered applications.
Important engineering properties include:
| Property | Why It Matters |
|---|---|
| Tensile Strength | Resistance to tensile loading |
| Yield Strength | Resistance to permanent deformation |
| Toughness | Ability to withstand impact |
| Hardness | Wear and surface performance |
| Hardenability | Ability to develop properties through section |
| Ductility | Resistance to brittle failure |
Exact values should be taken from the applicable material specification and MTC rather than a generic web table.
Why EN25 Is Used in Heavy Engineering
EN25 is useful when an engineering component needs more than basic machinability.
The alloy’s nickel-chromium-molybdenum chemistry provides a combination of strength and toughness that can be useful in components exposed to mechanical loading.
It is particularly relevant when the component experiences:
- High bending loads
- Torsional loading
- Repeated loading
- Mechanical shock
- Surface wear
- Demanding operating conditions
This makes EN25 a practical engineering material for selected heavy-duty components.
For buyers, the key is to specify the required final properties and heat-treatment condition, rather than purchasing simply by grade name.
EN25 Round Bar Applications
Shafts
EN25 Round Bar can be machined into high-strength shafts used in machinery and power-transmission systems.
Axles
Selected axle applications can benefit from the strength and toughness available from properly heat-treated alloy steel.
Connecting Rods
EN25 is used for selected connecting rods and similar heavily loaded mechanical components.
Pump Shafts
Pump shafts may experience both mechanical loads and repeated service cycles. EN25 can be considered where its mechanical properties are suitable for the application.
Spindles
High-strength alloy steel can be useful for spindles that need dimensional stability and strength.
Hydraulic Components
EN25 is suitable for selected hydraulic components such as piston rods, pins and other load-bearing parts.
Gears
The material can be used for selected gears and transmission components where appropriate hardness and strength can be achieved through heat treatment.
Torsion Bars
Torsional components can require a combination of strength and toughness, making alloy steels such as EN25 relevant for selected applications.
Manan’s published EN25 information also lists adapters, axles, connecting rods, die holders, drill shanks, hydraulic clamps, jack shafts, line shafts, motor shafts, pins, piston rods, pump shafts, rams, spindles, torsion bars and winch gears among applications.
EN25 Heat Treatment
Heat treatment has a major influence on EN25’s final performance.
Annealing
Annealing can provide a softer structure for machining and help establish a suitable starting condition.
Hardening
EN25 can be hardened through controlled heating and quenching.
The actual hardness achieved depends on the section size and heat-treatment procedure.
Tempering
Tempering after hardening allows the required balance between hardness, strength and toughness to be established.
Hardened and Tempered Condition
EN25 is commonly supplied in hardened-and-tempered condition when higher mechanical performance is required. Manan’s published EN25 information specifically describes hardened-and-tempered supply and a high-strength engineering application range.
The exact heat-treatment procedure should always be established according to the required component properties and section size.
EN25 Machining and Fabrication
EN25 can be machined using standard engineering processes when supplied in a suitable condition.
Typical operations include:
- Turning
- Milling
- Drilling
- Boring
- Threading
- Grinding
Machinability will change as hardness increases.
For this reason, manufacturers often prefer to machine the material before final hardening and tempering, followed by finishing operations if tighter dimensions are required.
Welding
EN25 is an alloy steel with higher carbon and alloy content than ordinary mild steel.
Welding therefore requires greater control than low-carbon structural steel.
Depending on the component and procedure, considerations may include:
- Preheating
- Controlled interpass temperature
- Suitable filler metal
- Heat input
- Cooling rate
- Post-weld heat treatment
For critical components, the welding procedure should be developed specifically for the material and service requirements.
EN25 Round Bar Sizes and Finishes
EN25 can be supplied in different diameters, lengths and surface conditions depending on the application.
Common requirements include:
Hot Rolled Round Bar
Suitable where machining allowance is acceptable.
Bright Round Bar
Useful for improved dimensional control and machining applications.
Turned or Peeled Round Bar
Suitable where a controlled starting surface and diameter are required.
Ground Round Bar
Useful for precision applications.
Forged Round Bar
Relevant for selected larger-section requirements.
Manan’s published round-bar information includes multiple supply forms such as hot rolled, cold drawn, forged, bright, peeled, turned and centre-ground bars.
Explore the Manan Steel & Metals round-bar range
EN25 Round Bar Specifications
A clear purchase specification should include the following:
| Requirement | Example |
|---|---|
| Grade | EN25 |
| Product | Round Bar |
| Diameter | ___ mm |
| Length | ___ mm |
| Condition | Annealed / Hardened & Tempered |
| Finish | Bright / Ground / Turned |
| Tolerance | ___ |
| Quantity | ___ kg / pieces |
| Testing | MTC / Hardness / UT / Other |
| Application | Shaft / Axle / Pump / Gear / Other |
Manan’s published EN25 information lists sizes and lengths for its EN25 offering, but the exact dimension and condition required should be confirmed at quotation stage.
What Affects EN25 Round Bar Price?
The EN25 Round Bar price depends on several technical and commercial factors.
Diameter
Larger bars require more material and may involve different manufacturing requirements.
Length
Standard lengths and cut-to-length requirements can affect material utilization.
Condition
Annealed and hardened-and-tempered bars involve different processing requirements.
Finish
Bright, peeled, turned and ground finishes can increase processing cost.
Quantity
Production quantities and small orders may have different commercial pricing.
Testing
MTC, hardness testing, ultrasonic testing, dimensional inspection and third-party inspection may affect the final quotation.
Availability
The availability of the required diameter and condition can affect delivery and price.
For an accurate EN25 Round Bar price in Mumbai, buyers should provide the complete requirement instead of requesting only a generic price per kilogram.
How to Buy EN25 Round Bar
For an industrial enquiry, provide:
Material: EN25 Alloy Steel
Product: Round Bar
Diameter: ___ mm
Length: ___ mm
Condition: ___
Heat Treatment: ___
Finish: ___
Tolerance: ___
Quantity: ___ kg / pieces
Testing: ___
Application: ___
For shafts, pump components or other highly loaded parts, mentioning the finished component and required mechanical properties can make the enquiry more precise.
EN25 Round Bar Supplier in Mumbai
For companies searching for an EN25 Alloy Steel Round Bar Supplier Mumbai, Manan Steel & Metals supplies EN-series and specialty round bars for industrial requirements.
Manan currently lists EN25 Alloy Steel Round Bar in its published product range.
View EN25 Alloy Steel Round Bar at Manan Steel & Metals
For a quotation, mention:
EN25 Alloy Steel
Diameter
Length
Condition
Heat Treatment
Finish
Tolerance
Quantity
Testing
Application
Providing these details allows the quotation to be prepared against the actual engineering requirement.
Frequently Asked Questions
What is EN25 Round Bar?
EN25 Round Bar is a nickel-chromium-molybdenum alloy steel round bar used for demanding engineering components requiring strength, toughness and wear resistance.
What is EN25 steel used for?
EN25 is used for selected shafts, axles, connecting rods, pump shafts, spindles, hydraulic components, torsion bars, gears and heavy machinery parts.
Is EN25 supplied in hardened and tempered condition?
Yes. EN25 is commonly supplied in hardened-and-tempered condition for applications requiring higher mechanical performance.
Can EN25 Round Bar be machined?
Yes. EN25 can be machined using turning, milling, drilling, boring, threading and grinding, with the required machining conditions depending on hardness and delivery condition.
Can EN25 be welded?
EN25 can require controlled welding procedures because of its carbon and alloy content. Preheating and other precautions may be necessary depending on the component and procedure.
What affects EN25 Round Bar price?
Diameter, length, heat-treatment condition, finish, quantity, testing, availability and prevailing steel-market conditions can influence the final price.
How can I get an EN25 Round Bar quotation in Mumbai?
Send the required grade, diameter, length, condition, finish, quantity and testing requirements to Manan Steel & Metals.
Request a Quote for EN25 Round Bar
Manan Steel & Metals
Shop No. 2, Hira Building, 97 Khetwadi Main Road (Nanubhai Desai Road), Girgaon, Mumbai – 400004, Maharashtra, India
Phone: 7977369869
Email: manansteel@gmail.com
Website: www.manansteel.com
For a faster quotation, send:
Material: EN25 Alloy Steel
Diameter: ___ mm
Length: ___ mm
Condition: ___
Heat Treatment: ___
Finish: ___
Tolerance: ___
Quantity: ___ kg / pieces
Testing: ___
Application: ___
For high-strength engineering components, include the required mechanical properties or drawing specification wherever applicable.