EN1A Leaded Round Bar Supplier Mumbai for CNC and High-Speed Machining
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Meta Description: EN1A Leaded Round Bar Supplier Mumbai supplying 230M07Pb free-cutting steel for CNC machining, automatic lathes, turned components, fittings, pins, studs and fasteners.
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Table of Contents
- What Is EN1A Leaded Round Bar?
- EN1A 230M07Pb Steel Grade
- Why EN1A Leaded Steel Is Preferred for Machining
- EN1A Chemical Composition
- EN1A Mechanical Properties
- EN1A Leaded Round Bar Applications
- EN1A for CNC and Automatic Machining
- EN1A Heat Treatment and Weldability
- EN1A Round Bar Sizes and Finishes
- EN1A Leaded Round Bar Price Factors
- How to Buy EN1A Leaded Round Bar
- EN1A Leaded Round Bar Supplier in Mumbai
- Frequently Asked Questions
- Request a Quote
What Is EN1A Leaded Round Bar?
EN1A Leaded Round Bar is a free-cutting low-carbon steel developed primarily for machining operations.
EN1A is widely associated with 230M07, while the leaded version is commonly designated 230M07Pb. The addition of a controlled amount of lead improves the material’s free-machining characteristics, particularly chip formation and machining efficiency.
The grade is commonly used for CNC-turned components, automatic-lathe components, pins, bushes, fittings, studs, fasteners and other high-volume machined parts.
A technical reference from Acton Bright Steel describes 230M07Pb / EN1A Leaded Freecutting Steel as a bright-drawn free-machining steel intended for repetition-turned components where high machining speed, tool life and surface finish are important.
Read the technical guide for 230M07Pb EN1A Leaded Freecutting Steel.
EN1A 230M07Pb Steel Grade
EN1A is a commercial name that has remained common in the engineering-steel market for decades.
The historical British designation associated with EN1A is 230M07, while leaded free-cutting material is commonly identified as 230M07Pb.
European and international designations may also be encountered, but buyers should not assume that every apparently equivalent grade has identical chemical or mechanical requirements.
For example, technical industry references commonly associate 230M07Pb with designations such as 11SMnPb30 and 1.0718 under European systems, while 12L14 is a frequently used American market designation.
A useful purchase specification is therefore:
Material: EN1A Leaded
Designation: 230M07Pb
Product: Round Bar
Diameter: Required size
Length: Required length
Condition: Bright drawn / as specified
Finish: As specified
Quantity: Required quantity
Where an engineering drawing names a particular standard, that exact standard should take priority over a commercial equivalent name.
Why EN1A Leaded Steel Is Preferred for Machining
The main reason buyers select EN1A Leaded Round Bar is simple: machinability.
During machining, the steel forms chips that are easier to break and remove than those produced by many general-purpose low-carbon steels.
The sulphur content contributes to the formation of manganese-sulphide inclusions, while the controlled lead addition further improves free-cutting behaviour.
This combination can be useful in high-volume production where a machine repeatedly produces the same component.
The practical benefits can include:
- Easier chip breaking
- Higher machining productivity
- Reduced interruption for chip removal
- Improved tool life in suitable conditions
- Good surface finish
- Efficient production of repetitive turned components
A technical reference for 230M07 notes that its free-cutting properties make it suitable for automatic lathes and CNC machining, while lead addition can further improve machining performance.
See the 230M07 / EN1A technical reference for machining applications.
For manufacturers producing thousands of small components, these characteristics can make EN1A Leaded steel commercially attractive.
EN1A Chemical Composition
The chemical composition of EN1A Leaded steel is specifically designed for free-machining performance.
A commonly published 230M07Pb composition is:
| Element | Typical / Specified Range |
|---|---|
| Carbon (C) | 0.07–0.15% |
| Silicon (Si) | Low / controlled |
| Manganese (Mn) | About 0.80–1.30% |
| Phosphorus (P) | Controlled |
| Sulphur (S) | About 0.20–0.35% |
| Lead (Pb) | About 0.15–0.35% |
| Iron (Fe) | Balance |
The exact limits depend on the applicable material specification.
The high sulphur and controlled lead additions are central to the material’s free-cutting characteristics.
A technical guide from Acton Bright Steel gives 230M07Pb as a leaded free-cutting steel with lead in the range of approximately 0.15–0.35%, along with elevated sulphur for machinability.
View the 230M07Pb chemical-analysis and material guide.
For production orders, always verify the actual chemistry from the supplier’s Mill Test Certificate (MTC).
EN1A Mechanical Properties
EN1A is not normally selected because of exceptionally high strength.
It is selected primarily because it can be machined efficiently.
Commonly published mechanical values for EN1A vary with product condition and bar size. Typical references place tensile strength in the general range of approximately 370–480 MPa, depending on condition and specification.
The important characteristics for buyers are:
| Property | Importance |
|---|---|
| Machinability | Primary reason for selection |
| Tensile Strength | General mechanical capability |
| Yield Strength | Resistance to permanent deformation |
| Ductility | Important for forming and service |
| Hardness | Influences cutting performance |
| Surface Finish | Important for precision-turned components |
Because EN1A is a free-cutting low-carbon steel, it should not automatically be selected when the finished component requires high strength, impact toughness or substantial through-hardening.
For those requirements, a different engineering steel may be more appropriate.
EN1A Leaded Round Bar Applications
CNC Turned Components
EN1A Leaded Round Bar is especially useful for CNC machining of small and medium-sized repetitive components.
Its free-cutting characteristics help manufacturers maintain efficient production cycles.
Automatic Lathe Components
High-volume automatic machining is one of the natural applications for EN1A.
The material can be supplied in bright-drawn condition for applications requiring controlled dimensions and good surface finish.
Pins and Bushes
Pins, bushes and spacers can be produced efficiently from EN1A Round Bar.
Hydraulic and Pneumatic Fittings
The grade can be used for selected machined fittings where corrosion resistance and high structural strength are not the primary material-selection criteria.
Nuts and Studs
EN1A is used for selected machined nuts, studs and small fastening components.
Shafts and Small Machine Parts
For lightly loaded or precision-machined components, EN1A can be a practical choice where machining efficiency is more important than high mechanical strength.
Electrical and Instrument Components
Precision-turned small components for instruments and control equipment can also be manufactured from free-cutting steel.
The exact suitability depends on the required strength, environment and component design.
EN1A for CNC and Automatic Machining
For a CNC manufacturer, material selection can directly affect cycle time and tooling costs.
EN1A is particularly attractive for repetition machining because its free-cutting structure helps produce manageable chips.
For CNC machining, the actual results still depend on:
- Cutting speed
- Feed rate
- Depth of cut
- Tool geometry
- Tool material
- Coolant
- Machine rigidity
- Bar finish and dimensional consistency
Lead addition can improve machinability, but it does not eliminate the need for proper machining parameters.
For manufacturers running automatic turning equipment, a consistent supply of bright round bar with controlled dimensions can also improve production stability.
EN1A Heat Treatment and Weldability
EN1A is a low-carbon free-cutting steel and is not normally selected for conventional through-hardening.
The low carbon content limits its ability to develop high hardness through ordinary hardening processes.
However, selected EN1A components can be case hardened when a harder surface is required while retaining a lower-carbon core.
Welding EN1A
EN1A Leaded steel is generally not the first choice where extensive welding is required.
The high sulphur content that improves machinability can also make welding less desirable compared with conventional low-carbon structural steels.
Therefore, EN1A is best suited to applications where the major manufacturing process is turning, drilling, threading or other machining operations.
EN1A Round Bar Sizes and Finishes
EN1A Leaded Round Bar is commonly supplied for precision-machining applications in a range of diameters.
Typical supply forms include:
Bright Drawn Round Bar
Suitable for automatic and CNC machining.
Cold Drawn Bar
Used where controlled dimensions and surface quality are required.
Turned or Peeled Bar
Useful when controlled dimensional accuracy is required.
Precision Ground Bar
Suitable for applications requiring tighter dimensional and surface tolerances.
Cut-to-Length Bars
Useful for production requirements that need ready-to-machine pieces.
The required diameter, tolerance and surface finish should always be included in the enquiry.
Manan Steel & Metals supplies round bars in a range of engineering materials and forms for industrial requirements.
Explore the Manan Steel & Metals round-bar range.
EN1A Leaded Round Bar Price Factors
The EN1A Leaded Round Bar price depends on the complete purchase requirement.
Diameter
Larger bars require more raw material and can have different processing costs.
Length
Standard-length bars and cut-to-length material can have different commercial pricing.
Finish
Bright, cold-drawn, turned and ground finishes involve different manufacturing processes.
Leaded Grade
EN1A Leaded steel has a specific chemistry intended to improve machinability, which distinguishes it commercially from non-leaded free-cutting material.
Quantity
Large production requirements may receive different pricing from small quantities.
Testing and Documentation
MTC, dimensional inspection, hardness testing and other customer-specific requirements can influence the quotation.
Availability
Stock availability for the required diameter can affect delivery time and commercial pricing.
For an accurate EN1A Leaded Round Bar price in Mumbai, provide the diameter, length, quantity, finish and specification rather than asking only for a per-kg price.
How to Buy EN1A Leaded Round Bar
For an industrial enquiry, provide:
Material: EN1A Leaded / 230M07Pb
Product: Round Bar
Diameter: ___ mm
Length: ___ mm
Condition: Bright Drawn / Cold Drawn / As Required
Finish: ___
Tolerance: ___
Quantity: ___ kg / pieces
Testing: MTC / Inspection / Other
Application: CNC / Automatic Lathe / Fittings / Pins / Studs / Other
For high-volume production, also mention the machine type and finished-component requirement when relevant.
This helps the supplier understand whether you require a standard bright bar, precision-sized material or another supply condition.
EN1A Leaded Round Bar Supplier in Mumbai
For companies searching for an EN1A Leaded Round Bar Supplier Mumbai, Manan Steel & Metals supplies EN1A Round Bar and other engineering round-bar products for industrial requirements.
Manan’s published EN1A product information specifically includes EN1A Leaded Round Bars, with supply for domestic and industrial requirements.
View the EN1A Leaded Round Bar product page from Manan Steel & Metals.
The company’s broader round-bar range also includes EN-series and specialty materials for different engineering applications.
For an EN1A Leaded enquiry, mention:
EN1A Leaded / 230M07Pb
Diameter
Length
Finish
Tolerance
Quantity
Testing requirements
Application
Providing these details helps avoid confusion between standard EN1A, leaded EN1A and other free-cutting steel grades.
Frequently Asked Questions
What is EN1A Leaded Round Bar?
EN1A Leaded Round Bar is a low-carbon free-cutting steel used primarily for high-volume machining, CNC turning and automatic-lathe applications.
What is the designation of EN1A Leaded steel?
The leaded grade is commonly identified as 230M07Pb, while EN1A is widely associated with 230M07. Other international designations may be encountered, but exact equivalency should be confirmed against the required specification.
Why is lead added to EN1A steel?
Lead is added to improve free-cutting performance. Along with the sulphur-bearing microstructure, it helps produce favourable chip formation and can support efficient machining.
Is EN1A Leaded suitable for CNC machining?
Yes. EN1A is particularly popular for repetitive CNC and automatic-lathe work where machinability, chip control and production efficiency are important.
Can EN1A Leaded Round Bar be heat treated?
EN1A has low hardenability because of its low carbon content. It is not normally selected for through-hardening, although selected components can be case hardened.
Is EN1A Leaded suitable for welding?
It is generally not preferred for applications involving extensive welding. Its free-cutting chemistry is optimized for machining rather than welded fabrication.
What is the difference between EN1A and EN1A Leaded?
The leaded version contains a controlled addition of lead to further improve machining performance. The exact chemical limits should be checked against the applicable specification.
What affects EN1A Leaded Round Bar price?
Diameter, length, leaded chemistry, finish, tolerance, quantity, testing, stock availability and market conditions can influence the final price.
How can I buy EN1A Leaded Round Bar in Mumbai?
Send the required grade, diameter, length, finish, quantity and testing requirements to Manan Steel & Metals for a quotation.
Request a Quote for EN1A Leaded 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: EN1A Leaded / 230M07Pb
Diameter: ___ mm
Length: ___ mm
Condition: ___
Finish: ___
Tolerance: ___
Quantity: ___ kg / pieces
Testing: ___
Application: ___