4140 Round Bars Manufacturer, Stockist and Exporter in Mumbai
Super Metal Manufacturing Co. Since 1965 is based in Mumbai and specializes in the supply of alloy steel products for industrial and engineering applications. We are a trusted 4140 Round Bars Manufacturer, Stockist and Exporter in Mumbai, providing alloy steel round bars for both standard and customized requirements.
Our Mumbai location enables us to serve customers in Mumbai, Navi Mumbai, Thane, Bhiwandi, Vasai-Virar and other industrial areas of Maharashtra. We also supply 4140 Alloy Steel Round Bars to customers throughout India and international markets.
As a professional 4140 Round Bars supplier, we understand that different industries require different material conditions and dimensions. Therefore, customers can specify the required grade, diameter, length, quantity, finish, heat-treatment condition and inspection requirements while placing an enquiry.
What is 4140 Round Bar?
4140 Round Bar is a solid circular alloy steel bar manufactured from chromium-molybdenum steel. It is commonly identified by designations such as AISI 4140, SAE 4140 and UNS G41400.
4140 alloy steel is widely selected for engineering components because it offers a useful combination of high strength, toughness, hardenability and wear resistance. Suitable heat treatment can further improve the mechanical properties required for demanding applications.
4140 is also commonly associated with grades such as EN19, 42CrMo4 and DIN 1.7225. However, exact grade equivalence should always be confirmed against the required standard, chemical composition and mechanical properties.
The round shape makes this material suitable for machining operations such as turning, drilling, milling, threading and grinding. It can therefore be converted into shafts, gears, pins, axles, spindles, rollers and other precision engineering components.
Why Choose 4140 Round Bars?
4140 Round Bars are widely used when components require reliable mechanical strength and toughness. The chromium and molybdenum content contributes to hardenability, while controlled heat treatment can provide the required balance of hardness and toughness.
- High Strength: Suitable for highly 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 the hardenability of the material.
- Good Wear Resistance: Suitable heat treatment can improve resistance to mechanical wear.
- Good Fatigue Performance: Suitable for components subjected to repeated loading and stress.
- Machinability: Can be machined into various engineering components under suitable material conditions.
- Heat Treatment Capability: Can be supplied in different conditions according to application requirements.
4140 Round Bars Manufacturing Process
The manufacturing process of 4140 Round Bars involves several controlled stages to achieve the required dimensions, surface quality and material properties. The exact production route depends on the required diameter, length, quantity, finish and material condition.
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 requirements.
Heating
The alloy steel is heated under controlled conditions before hot working. Controlled heating helps achieve consistent processing during rolling or forging.
Hot Rolling
For hot-rolled round bars, heated steel is passed through rolling equipment to achieve the required circular profile and diameter.
Forging
Forging may be used where forged 4140 material is required for specific heavy-duty engineering applications.
Heat Treatment
4140 Round Bars can be heat treated according to the required material condition. Common conditions include annealed, normalized, quenched and tempered, and hardened and tempered.
Cutting and Straightening
The bars can be straightened and cut to standard or customer-specified lengths according to the purchase requirement.
Surface Finishing
4140 Round Bars can be supplied in different surface conditions, including black, bright, turned, peeled, ground and forged finishes, depending on size and application.
Inspection
Inspection may include dimensional inspection, surface inspection, chemical analysis and mechanical testing according to the applicable 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 alloy steel contains carbon, manganese, silicon, chromium and molybdenum. Chromium and molybdenum are particularly important to the hardenability and mechanical performance of the alloy.
The following represents commonly specified composition ranges. Actual chemistry should always be confirmed against the applicable material specification 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
The mechanical properties of 4140 Round Bars depend on the manufacturing route, section size, heat treatment and applicable material specification. Heat-treated 4140 can provide a combination of high strength, hardness and toughness suitable for demanding engineering components.
| Property | Typical Value / Range |
|---|---|
| Tensile Strength | 850 – 1000 MPa |
| Hardness (Q&T) | 28 – 34 HRC |
| Material Condition | As Specified / Heat Treated |
4140 Round Bars Applications in Mumbai
4140 Round Bars are used across Mumbai's engineering, automotive, machinery, manufacturing, construction, fabrication, maintenance and industrial sectors. The material is particularly useful for components exposed to mechanical loads and repeated stress.
Automotive Industry
4140 can be used for shafts, axles, gears, crankshafts, pins, spindles and other automotive components where suitable mechanical properties are required.
Engineering Industry
Engineering companies use 4140 Round Bars for manufacturing shafts, rollers, gears, pins, studs and other precision-machined components.
Heavy Machinery
4140 alloy steel is suitable for selected heavy machinery components requiring high strength and toughness.
Oil & Gas Industry
4140 can be used for selected mechanical components in oil and gas equipment where the required grade, properties and specifications are applicable.
Construction Equipment
The material is suitable for manufacturing pins, axles, shafts, rollers and other components used in construction machinery.
General Manufacturing
4140 Round Bars are used by manufacturers for various machined components where strength, toughness, wear resistance and hardenability are important.
4140 Round Bars Heat Treatment
Heat treatment plays an important role in achieving the required mechanical properties of 4140 alloy steel. The treatment selected depends on the final application and specified mechanical requirements.
Annealing
Annealing provides a relatively softer material condition and can improve machinability and processing characteristics.
Normalizing
Normalizing can be used to obtain a suitable microstructure and material condition before subsequent operations.
Hardening
Hardening increases the hardness and strength of 4140 through controlled heating and cooling.
Quenching
Quenching is part of the hardening process and the appropriate method depends on material section size and specified properties.
Tempering
Tempering after hardening helps establish a suitable balance of hardness, strength and toughness.
4140 Round Bars Stockist in Mumbai
Super Metal Manufacturing Co. is a Mumbai-based 4140 Round Bars Stockist serving manufacturers, engineering companies, distributors, fabricators and industrial buyers. We can supply standard and customer-specific requirements subject to stock availability and applicable specifications.
Our Mumbai location makes it convenient for customers in Mumbai, Thane, Navi Mumbai, Bhiwandi, Vasai, Palghar and other industrial areas of Maharashtra to enquire about 4140 Round Bars.
4140 Round Bars Exporter from Mumbai
As a 4140 Round Bars Exporter from Mumbai, Super Metal Manufacturing Co. supplies alloy steel products to international customers. Export orders can be supplied according to the required grade, dimensions, quantity, packaging and documentation requirements.
We support industrial buyers who require AISI 4140, SAE 4140, EN19 and 42CrMo4 alloy steel round bars for engineering, machinery, automotive and industrial applications.
4140 Round Bars Quality Assurance
Quality requirements are an important part of alloy steel supply. Material can be supplied with relevant documentation according to the applicable specification and purchase order requirements.
- Mill Test Certificate
- Chemical Composition Report
- Mechanical Test Report
- Dimensional Inspection
- Surface Inspection
- Material Traceability
- Third-Party Inspection on Request
4140 Round Bars Export Packing
For domestic and export orders, 4140 Round Bars can be packed according to product dimensions, quantity and transportation requirements. Suitable packing may include steel bundling, wooden crates or skids, protective wrapping and waterproof packaging.
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 and customer requirements.
4140 Round Bars Supplier in Mumbai
Super Metal Manufacturing Co. supplies 4140 Round Bars to industrial buyers across Mumbai and nearby regions. Customers can contact us with their required grade, diameter, length, quantity, finish and heat-treatment condition to check availability and pricing.
4140 Round Bars Supplier in Thane
We accept enquiries from engineering and manufacturing companies in Thane requiring 4140 Alloy Steel Round Bars for machinery, automotive and general engineering applications.
4140 Round Bars Supplier in Navi Mumbai
Customers in Navi Mumbai can enquire about AISI 4140 and SAE 4140 Round Bars for industrial, engineering and manufacturing requirements.
4140 Round Bars Supplier in Bhiwandi
We supply alloy steel round bars to industrial buyers and distributors in Bhiwandi according to required size, quantity and material specification.
4140 Round Bars Supplier in Vasai
Manufacturers and engineering companies in Vasai can contact Super Metal Manufacturing Co. for 4140 Round Bars and related alloy steel requirements.
4140 Round Bars Supplier in Maharashtra
Our Mumbai base enables us to serve customers across Maharashtra, including Pune, Nashik, Aurangabad, Nagpur and other industrial centres, subject to delivery requirements.
Why Choose Super Metal for 4140 Round Bars in Mumbai?
- Since 1965: Long-standing experience in the metal industry.
- Mumbai-Based Supplier: Located in Gulalwadi, Mumbai.
- Manufacturer & Stockist: 4140, EN19 and 42CrMo4 alloy steel products.
- Multiple Sizes: 4140 Round Bars available in various diameters and lengths subject to stock and specification.
- Multiple Finishes: Bright, black, forged and turned finishes.
- Heat-Treatment Options: Annealed, normalized and heat-treated conditions according to requirements.
- Quality Documentation: Relevant material and inspection documentation can be supplied.
- Industrial Applications: Suitable for automotive, machinery, engineering, construction and other industries.
Frequently Asked Questions (FAQs)
Who is a 4140 Round Bars Manufacturer, Stockist and Exporter in Mumbai?
Super Metal Manufacturing Co. Since 1965 is a Mumbai-based manufacturer, stockist and exporter of 4140 Alloy Steel Round Bars, serving engineering, automotive, machinery, construction and other industrial sectors.
What is 4140 Round Bar?
4140 Round Bar is a chromium-molybdenum alloy steel round bar commonly specified as AISI 4140, SAE 4140 and UNS G41400. It is widely used for high-strength mechanical and engineering components.
What are the equivalent grades of 4140 Round Bars?
Commonly associated grades include AISI 4140, SAE 4140, EN19, 42CrMo4 and DIN 1.7225. Exact equivalence should be verified against the applicable material standard and chemical composition.
What are 4140 Round Bars used for?
4140 Round Bars are used for shafts, gears, axles, pins, spindles, rollers, crankshafts, studs and other mechanically loaded components used in automotive, machinery, construction, oil and gas and general engineering applications.
Can 4140 Round Bars be heat treated?
Yes. Depending on the required specification, 4140 Round Bars can be supplied in annealed, normalized, quenched and tempered, or hardened and tempered conditions.
What surface finishes are available for 4140 Round Bars?
4140 Round Bars can be supplied in black, bright, forged, turned, peeled, ground and other specified finishes depending on size and customer 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 Mumbai?
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.
