4140 Round Bars Manufacturer, Stockist and Exporter in India
Super Metal Manufacturing Co. Since 1965 is an India-based manufacturer, stockist and exporter of alloy steel products. Located in Mumbai, Maharashtra, the company supplies 4140 / EN19 / 42CrMo4 alloy steel bars for industrial and engineering requirements. The company's published information states that it has more than six decades of manufacturing experience and supplies customers in India and international markets.
Our 4140 Round Bars Manufacturer, Stockist and Exporter in India service supports industrial buyers, OEMs, distributors, stockists, engineering companies, machinery manufacturers, automotive manufacturers, fabricators and project procurement teams.
4140 alloy steel is widely used for mechanically loaded components where suitable strength, toughness and hardenability are required. Its applications include shafts, gears, axles, pins, crankshafts, spindles, rollers, fasteners and other heavy mechanical components.
What is 4140 Round Bar?
4140 Round Bar is a solid circular chromium- molybdenum alloy steel bar. It is commonly designated as AISI 4140, SAE 4140 and UNS G41400. Related specifications and designations may include EN19, 42CrMo4 and DIN 1.7225, depending on the applicable standard.
The round profile makes 4140 steel suitable for machining processes such as turning, drilling, milling, threading and grinding. It can also be supplied in different material conditions, including annealed, normalized, quenched and tempered, and hardened and tempered conditions, according to the required specification.
4140 Round Bars are particularly useful where components are subjected to mechanical loads, impact, torsion, fatigue and wear. The final performance of the material depends on chemical composition, section size, manufacturing route and heat-treatment condition.
Why Choose 4140 Round Bars?
4140 is one of the widely used chromium-molybdenum alloy steels for engineering applications. The alloying elements chromium and molybdenum contribute to hardenability, while suitable heat treatment can provide a balance of hardness, strength and toughness.
The material is suitable for components that require dependable mechanical performance and dimensional stability after machining. It is therefore commonly selected for automotive, heavy machinery, construction, oil & gas, defense, marine and general engineering applications.
4140 Round Bars Manufacturing Process
The manufacturing of 4140 Round Bars involves controlled processing to achieve the required dimensions, surface condition and mechanical properties. The exact production route depends on the diameter, quantity, material condition, surface finish and applicable specification.
Raw Material Selection
Suitable chromium-molybdenum alloy steel is selected according to the required 4140 specification. Material identification and heat traceability can be maintained according to customer and quality requirements.
Controlled Heating
The selected alloy steel is heated under controlled conditions before hot working. Proper temperature control supports consistent processing and material properties.
Hot Rolling
For hot-rolled round bars, heated alloy steel is passed through rolling equipment to achieve the required diameter and dimensional profile.
Forging
4140 can also be supplied as forged round bars where forged material is required for demanding engineering applications.
Heat Treatment
Depending on the application, 4140 can be heat treated to achieve the specified combination of hardness, strength and toughness. Common conditions include annealed, normalized, quenched and tempered, and hardened and tempered.
Cutting and Straightening
After rolling, forging or heat treatment, bars can be straightened and cut to standard or customer-specified lengths.
Surface Finishing
4140 Round Bars can be supplied in black, bright, turned, peeled, ground, forged or other specified surface conditions depending on size and application.
Inspection
Inspection can include dimensional inspection, chemical analysis, surface inspection and mechanical testing according to the applicable material specification and customer requirements.
4140 Round Bars Material Specification
| Grade | AISI 4140 / SAE 4140 |
|---|---|
| Material Type | Chromium Molybdenum Alloy Steel |
| Material Number | 1.7225 / 42CrMo4 |
| UNS | G41400 |
| Standards | ASTM, ASME, AISI, SAE, EN, DIN, JIS, BS |
| Diameter | 5 mm to 500 mm |
| Length | 1000 mm to 6000 mm |
| Finish | Bright, Black, Forged, Turned Bright |
| Form | Round, Billet, Ingot, Forging |
| Supply Condition | Annealed, Normalized, Hardened & Tempered, Quenched & Tempered |
AISI 4140 / SAE 4140 / EN19 / 42CrMo4 Round Bars Grade
| Country names | USA | German | British | Japan | China | Australia | |
|---|---|---|---|---|---|---|---|
| Country standards | UNS | AISI / ASTM | DIN | BS | JIS | GB/T | AS |
| Grades | G41400 | 4140 | 1.7225 / 42CrMo4 | EN19 / 817M40 | SCM440 | 42CrMo | 4140 |
4140 Round Bars Chemical Composition
4140 is a chromium-molybdenum alloy steel containing carbon, manganese, silicon, chromium and molybdenum. The alloying elements contribute to the hardenability and mechanical performance of the steel. The exact chemistry should always be verified against the applicable material standard and Mill Test Certificate.
| Element | Typical Composition |
|---|---|
| Carbon (C) | 0.38 – 0.43% |
| Manganese (Mn) | 0.75 – 1.00% |
| Silicon (Si) | 0.15 – 0.35% |
| Chromium (Cr) | 0.80 – 1.10% |
| Molybdenum (Mo) | 0.15 – 0.25% |
| Phosphorus (P) | As per applicable specification |
| Sulfur (S) | As per applicable specification |
4140 Round Bars Mechanical Properties
Mechanical properties of 4140 Round Bars depend on the material condition, heat treatment, section size and applicable specification. The company's published overview lists typical tensile-strength and hardness ranges for 4140, while exact values should be confirmed against the material certificate for the supplied heat and condition.
| Property | Typical Value / Range |
|---|---|
| Tensile Strength | 850 – 1000 MPa |
| Hardness (Q&T) | 28 – 34 HRC |
| Material Condition | As specified / Heat Treated |
Advantages of 4140 Round Bars
- High Strength: Suitable for heavily loaded mechanical and engineering components.
- Good Toughness: Provides a useful combination of strength and toughness after appropriate heat treatment.
- Excellent Hardenability: Chromium and molybdenum contribute to good hardenability.
- Good Wear Resistance: Suitable heat treatment can improve resistance to mechanical wear.
- Heat Treatment Capability: Can be supplied in different material conditions according to application requirements.
- Good Machinability: Suitable conditions allow 4140 to be machined into precision engineering components.
- Fatigue Resistance: Suitable for components exposed to repeated mechanical loading.
- Versatile Engineering Grade: Used in automotive, machinery, construction, oil & gas, defense, marine and general engineering applications.
4140 Round Bars Applications in India
4140 Round Bars are used across India's automotive, engineering, manufacturing, machinery, construction, oil & gas, defense, marine, agricultural and heavy-equipment industries. Their combination of strength, toughness and hardenability makes them suitable for many high-load mechanical components.
Automotive Industry
4140 Round Bars can be machined into shafts, axles, gears, crankshafts, pins, spindles and other automotive components requiring suitable strength and toughness.
Heavy Machinery
4140 is suitable for shafts, gears, rollers, pins, spindles, studs and other machine components exposed to mechanical loads.
Oil & Gas Industry
Selected components used in oil and gas equipment can use 4140 where the required material properties and specifications are met.
Construction Equipment
4140 Round Bars can be used for suitable pins, axles, shafts, rollers and other mechanically loaded construction equipment components.
Defense Industry
4140 alloy steel can be selected for suitable high-strength mechanical components used in defense-related engineering applications, subject to applicable specifications.
Agricultural Machinery
The material can be used for shafts, gears, pins, axles and other machined components used in agricultural machinery.
General Engineering
4140 Round Bars are widely applicable to general engineering components where strength, toughness and machinability are important considerations.
4140 Round Bars Heat Treatment
Heat treatment is an important part of 4140 alloy steel processing. It can be used to obtain different combinations of hardness, strength and toughness according to the application and required specification.
Annealing
Annealing provides a relatively softer material condition and can support machining and subsequent processing.
Normalizing
Normalizing can be used to establish a suitable microstructure and material condition before further processing.
Hardening
Hardening increases the hardness and strength of 4140 through controlled heating and cooling.
Quenching
Quenching forms part of the hardening process and is selected according to section size and required material properties.
Tempering
Tempering after hardening helps establish an appropriate balance between hardness, strength and toughness.
4140 Round Bars Exporter from India
Super Metal Manufacturing Co. Since 1965 is located at 7, Kika Street, Gulalwadi, 2/1, Kikabhai Mansion, Mumbai - 400004, India.
We supply 4140 Alloy Steel Round Bars to Indian and international buyers requiring alloy steel products for manufacturing, machining, fabrication, maintenance and heavy engineering applications.
The company states that it exports 4140 / EN19 / 42CrMo4 bars to more than 40 countries and provides export documentation and packaging support.
4140 Round Bars Stockist in India
As a 4140 Round Bars Stockist in India, we support requirements for standard stock sizes as well as customer-specific requirements subject to availability. Our published product information states that 4140, EN19 and 42CrMo4 bars are maintained in stock for fast dispatch.
Customers can contact us with the required diameter, length, quantity, grade, finish, heat-treatment condition and delivery location to check current availability.
4140 Round Bars Quality Assurance
Super Metal Manufacturing Co. states that it is ISO 9001:2015 and BIS certified and provides Mill Test Certificates with shipments. Quality and inspection requirements can be discussed according to the purchase order and applicable specification.
- Mill Test Certificate
- Chemical Composition Report
- Mechanical Test Report
- Dimensional Inspection
- Material Traceability
- Third-Party Inspection on Request
4140 Round Bars Export Packing
4140 Round Bars supplied for domestic or export requirements can be packed according to product dimensions, quantity and transportation requirements. Export packing may include steel bundles, wooden crates or skids, waterproof wrapping and suitable protective packaging.
The company publishes export packing and documentation support for international shipments, with packaging selected to protect the material during transportation.
MOQ, Lead Time & Payment
Minimum Order Quantity:
MOQ depends on diameter, quantity, stock availability and
production requirements.
Lead Time:
Lead time depends on stock availability, quantity, cutting,
inspection, heat treatment and documentation requirements.
Payment Terms:
Commercial payment terms can be discussed according to order
quantity, destination and business requirements.
4140 Round Bars Supplier in Mumbai
Super Metal Manufacturing Co. is based in Mumbai and supplies 4140 Round Bars to engineering companies, manufacturers, distributors, stockists and industrial buyers. Customers can contact us for required sizes, finishes, material conditions and quantities.
4140 Round Bars Supplier in Maharashtra
We accept enquiries from industrial buyers throughout Maharashtra, including Mumbai, Thane, Navi Mumbai, Pune, Nashik, Aurangabad, Nagpur and other industrial regions.
4140 Round Bars Supplier in Gujarat
Industrial customers in Gujarat can contact us for 4140 Round Bars for machinery, automotive, engineering, fabrication and other industrial requirements.
4140 Round Bars Supplier in Delhi
We supply alloy steel round bars to buyers in Delhi and surrounding industrial regions according to required grade, size and quantity.
4140 Round Bars Supplier in Chennai
Engineering and manufacturing companies in Chennai can contact us for 4140 Round Bars suitable for machining and heavy engineering applications.
4140 Round Bars Supplier in Bangalore
Industrial buyers in Bangalore can request 4140 Round Bars for automotive, machinery, manufacturing and engineering applications.
4140 Round Bars Supplier in Hyderabad
We accept enquiries from Hyderabad-based manufacturers, engineering companies, distributors and industrial procurement teams requiring 4140 Alloy Steel Round Bars.
Global Export Supply
Super Metal Manufacturing Co. Since 1965 supports international enquiries for 4140, EN19 and 42CrMo4 alloy steel products. The company's website currently states that it exports to more than 40 countries worldwide.
Frequently Asked Questions (FAQs)
Who is a 4140 Round Bars Manufacturer, Stockist and Exporter in India?
Super Metal Manufacturing Co. Since 1965 is an India-based manufacturer, stockist and exporter of 4140 Alloy Steel Round Bars, serving industrial buyers, manufacturers, distributors, stockists and engineering companies in India and international markets.
What is 4140 Round Bar?
4140 Round Bar is a chromium-molybdenum alloy steel round bar commonly designated AISI 4140, SAE 4140 or UNS G41400. It is used for high-strength mechanical and engineering components.
What are the common equivalent grades of 4140?
Commonly associated grades include AISI 4140, SAE 4140, EN19, 42CrMo4 and DIN 1.7225. Exact equivalence should be verified against the required chemical composition and applicable standard.
What sizes of 4140 Round Bars are available in India?
Super Metal Manufacturing Co. publishes a diameter range of 5 mm to 500 mm and lengths from 1000 mm to 6000 mm. Actual availability depends on the required specification, size, quantity and stock position.
What are 4140 Round Bars used for?
4140 Round Bars are commonly used for shafts, gears, axles, crankshafts, pins, spindles, rollers, fasteners and other high-strength mechanical components in automotive, machinery, construction, oil & gas and general engineering applications.
Can 4140 Round Bars be supplied heat treated?
Yes. Depending on the required specification, 4140 Round Bars can be supplied in conditions such as annealed, normalized, quenched and tempered, or hardened and tempered.
What surface finishes are available for 4140 Round Bars?
4140 Round Bars can be supplied in bright, black, forged, turned bright and other specified finishes depending on size, application and customer requirements.
Does Super Metal Manufacturing Co. provide Mill Test Certificates?
Yes. Super Metal Manufacturing Co. states that Mill Test Certificates are provided with shipments, with quality documentation available according to the applicable requirements.
Where is Super Metal Manufacturing Co. located?
Super Metal Manufacturing Co. is located at 7, Kika Street, Gulalwadi, 2/1, Kikabhai Mansion, Mumbai - 400004, India.
How can I get a quotation for 4140 Round Bars in India?
You can send the required grade, diameter, length, quantity, surface finish, heat-treatment condition and delivery location to Super Metal Manufacturing Co. by email or WhatsApp to request availability and pricing.