42CrMo4 Alloy Steel Bars
42CrMo4 is a chromium-molybdenum alloy steel grade widely used in mechanical engineering and industrial manufacturing. The material is selected for components that require a suitable combination of tensile strength, toughness, hardness and hardenability.
42CrMo4 Bars can be processed and heat treated to achieve different mechanical conditions. This makes the grade suitable for heavily loaded shafts, gears, axles, pins and other mechanical components.
The grade is commonly supplied in annealed, normalized, hardened and tempered, and quenched and tempered conditions depending on the applicable specification and customer requirement.
Super Metal Manufacturing Co. supplies 42CrMo4 Bars for OEMs, engineering companies, machinery manufacturers, fabricators, distributors, stockists and industrial buyers. Standard and customized requirements can be discussed according to product availability.
42CrMo4 Bars Material Specification Chart
| Material Grade | 42CrMo4 |
|---|---|
| Material Number | 1.7225 |
| Specifications | EN 10083-3, DIN, EN, ASTM, AISI, SAE |
| Standards | EN, DIN, ASTM, ASME, AISI, SAE |
| Range of Diameter | 5mm to 500mm |
| Finish | Bright, Black, Forged, Turned Bright |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Billet, Ingot, Forging Etc. |
42CrMo4 / 1.7225 / EN19 / AISI 4140 / SAE 4140 Round Bar Grade
| Country names | USA | Germany / Europe | British | Japan | China | Australia | |
|---|---|---|---|---|---|---|---|
| Country standards | UNS | AISI / ASTM | EN / DIN | BS | JIS | GB/T | AS |
| Grades | G41400 | 4140 | 1.7225 / 42CrMo4 | EN19 / 817M40 | SCM440 | 42CrMo | 4140 |
What is 42CrMo4 Bars?
42CrMo4 Bars are alloy steel bars manufactured or supplied from the chromium-molybdenum steel grade 42CrMo4. The material is widely used for highly stressed mechanical components because it offers a useful combination of strength, toughness and hardenability.
The material number for 42CrMo4 is commonly identified as 1.7225. The grade belongs to the chromium-molybdenum family of engineering steels and is commonly used in European engineering applications.
42CrMo4 Bars can be supplied in different conditions depending on the required mechanical properties. Heat treatment can significantly influence the hardness, strength and toughness of the finished bar.
The round-bar form is suitable for turning, drilling, milling, threading and other machining operations. This makes 42CrMo4 suitable for shafts, gears, axles, pins, studs, bolts and other components.
42CrMo4 Bars Chemical Composition
42CrMo4 is a medium-carbon chromium-molybdenum alloy steel. Carbon contributes to hardness and strength, while chromium and molybdenum provide useful hardenability and support mechanical performance.
A typical composition includes carbon, silicon, manganese, phosphorus, sulfur, chromium and molybdenum. The exact chemical composition should always be verified against the applicable material specification and the Mill Test Certificate supplied with the product.
Chemical composition requirements can vary according to the applicable standard, product form and purchasing specification. For critical applications, customers should specify the required standard and material condition before ordering.
42CrMo4 Bars Manufacturing Process
The manufacturing and processing of 42CrMo4 Bars involves controlled stages designed to achieve the required dimensions, material condition and surface quality. The exact production route depends on the product size, manufacturing method and applicable specification.
1. Raw Material Selection
Suitable alloy steel raw material is selected according to the specified 42CrMo4 grade and applicable purchasing requirements. Material identity and quality requirements are considered before processing.
2. Controlled Heating
The selected steel is heated under controlled conditions before hot working. Controlled heating supports consistent processing and helps maintain the required material characteristics.
3. Forging or Rolling
Depending on the required dimensions and manufacturing route, the heated material can be forged or rolled to produce the required bar section.
4. Heat Treatment
42CrMo4 can undergo heat treatment according to the required mechanical properties. Common conditions include annealed, normalized, hardened and tempered, and quenched and tempered.
5. Surface Processing
Bars can be supplied with different surface conditions including black, bright, forged and turned bright finishes according to product requirements.
6. Straightening and Cutting
Where required, bars can be straightened and cut to specified lengths. Cut-to-length supply can assist manufacturers in preparing material for machining and fabrication.
7. Inspection
Finished material can be checked for applicable dimensions, surface condition and documentation requirements. Material Test Certificates and other applicable quality documents can be supplied according to the order requirements.
Advantages of 42CrMo4 Bars
42CrMo4 Bars are widely selected for demanding engineering applications because the alloy provides a useful combination of strength, toughness and hardenability.
- High Strength: Heat-treated 42CrMo4 can provide high strength for demanding mechanical components.
- Good Toughness: The alloy provides a useful balance of strength and toughness when properly processed.
- Good Hardenability: Chromium and molybdenum contribute to hardenability.
- Wear Resistance: Appropriately heat-treated material can provide useful resistance to mechanical wear.
- Heat-Treatment Flexibility: The material can be supplied in different heat-treated conditions.
- Machining Capability: Suitable material conditions can be machined into complex mechanical components.
- High-Load Applications: 42CrMo4 is suitable for selected components subjected to substantial mechanical loading.
- Wide Industrial Use: The grade is used in automotive, machinery, construction, mining, agriculture and general engineering.
42CrMo4 Bars Applications
42CrMo4 Bars are used for a wide range of mechanical and engineering components where strength, toughness and hardenability are important. The grade is especially common in automotive, machinery and heavy engineering applications.
Automotive Industry
42CrMo4 can be used for shafts, axles, gears, crankshafts, spindles, pins and other automotive components requiring appropriate alloy steel properties.
Industrial Machinery
Machinery manufacturers use 42CrMo4 Bars for drive shafts, gears, rollers, pins, axles and other components exposed to mechanical loads.
Construction Equipment
The material may be used for selected shafts, pins, axles and mechanical components used in construction and heavy equipment.
Mining Equipment
Mining equipment may operate under high loads and repeated mechanical stress. 42CrMo4 can be used for suitable shafts, pins, gears and other engineered components.
Oil & Gas Equipment
42CrMo4 alloy steel can be used for selected mechanical components in oil and gas equipment. Material selection should be based on service conditions and the applicable engineering specification.
Agricultural Machinery
42CrMo4 Bars can be used for shafts, gears, axles, pins and other mechanical components in agricultural machinery.
General Engineering
The material is used for machined components, shafts, studs, pins, spindles, rollers and other engineering parts.
42CrMo4 Bars Heat Treatment
Heat treatment is commonly used to develop the required mechanical properties of 42CrMo4 alloy steel. The selected treatment depends on the component design, required hardness, strength, toughness and machining requirements.
Annealing
Annealing can produce a softer material condition and can support machining and subsequent processing operations.
Normalizing
Normalizing can be used to develop a suitable microstructure and mechanical condition for selected engineering applications.
Quenching
Quenching is used as part of a hardening process to increase hardness and strength. The actual heating and cooling parameters should follow the applicable material specification.
Tempering
Tempering after hardening can help achieve the required balance of strength, hardness and toughness. The final treatment should be specified according to the component's service requirements.
42CrMo4 Bars Surface Finishes
42CrMo4 Bars can be supplied with different surface finishes depending on product availability and customer requirements.
- Bright Finish: Suitable for applications requiring improved surface and dimensional control.
- Black Finish: Commonly associated with hot-worked alloy steel products.
- Forged Finish: Suitable for forged alloy steel requirements.
- Turned Bright Finish: Machined surface condition providing improved dimensional and surface control.
42CrMo4 Bars in Custom Sizes
Industrial customers often require specific bar dimensions based on component design and machining requirements. Super Metal Manufacturing Co. supports 42CrMo4 requirements based on diameter, length, quantity, surface finish and material condition.
Customers can provide technical drawings, purchase specifications or dimensional requirements for review. Cut-to-length requirements can also be discussed depending on the product and quantity.
Our 42CrMo4 Bars are suitable for OEMs, engineering companies, machinery manufacturers, fabricators, distributors, stockists and industrial buyers.
42CrMo4 Bars Quality Testing
Quality documentation and material traceability are important for alloy steel products used in engineered components. Super Metal Manufacturing Co. supports applicable inspection and material documentation according to customer requirements.
A Mill Test Certificate (MTC) can be supplied where required. Additional inspection and third-party inspection can be coordinated according to the purchase specification.
Available Quality Documents
- Mill Test Certificate
- Quality Certificate
- Inspection Reports
- Third-Party Inspection Reports on Request
- Material Traceability Documentation as Applicable
42CrMo4 Bars Manufacturer, Stockist & Exporter
Super Metal Manufacturing Co. supplies 42CrMo4 Bars for domestic and international industrial requirements. Our supply service supports customers requiring standard sizes, customized lengths, different surface finishes and specified heat-treatment conditions.
For export orders, suitable industrial packing can be arranged according to the product and destination. Common packing methods include steel bundles, wooden crates, skids and waterproof protective wrapping.
Export documentation may include Commercial Invoice, Packing List, Bill of Lading or AWB, Mill Test Certificate and Certificate of Origin where applicable.
Why Choose Super Metal Manufacturing Co. for 42CrMo4 Bars?
- Established Since 1965: Long-standing experience in metal products and industrial supply.
- 42CrMo4 Product Supply: Support for 42CrMo4 alloy steel bar requirements.
- Multiple Dimensions: Different diameters and lengths subject to availability.
- Customized Requirements: Support for specified lengths, finishes and material conditions.
- Quality Documentation: MTC and applicable inspection documents according to order requirements.
- Export Support: Industrial packing, documentation and shipment coordination.
- Wide Application Range: Suitable for automotive, machinery, construction, mining, agriculture, oil & gas and general engineering applications.
Alloy Steel 42CrMo4 Bars Dimensions Standard
|
Diameter or Width (mm) |
Weight per meter | Sectional Area | Perimeter |
|
Round (kg) |
Round (cm²) |
Round (cm) |
|
| 5.0 | 0.15 | 0.20 | 1.57 |
| 5.5 | 0.19 | 0.24 | 1.78 |
| 6.0 | 0.22 | 0.28 | 1.88 |
| 7.0 | 0.30 | 0.38 | 2.20 |
| 8.0 | 0.39 | 0.50 | 2.51 |
| 9.0 | 0.50 | 0.64 | 2.83 |
| 10 | 0.63 | 0.79 | 3.14 |
| 11 | 0.75 | 0.95 | 3.46 |
| 12 | 0.89 | 1.13 | 3.77 |
| 14 | 1.21 | 1.54 | 4.40 |
| 16 | 1.58 | 2.01 | 5.03 |
| 18 | 2.00 | 2.54 | 5.65 |
| 20 | 2.47 | 3.14 | 6.28 |
| 22 | 2.98 | 3.80 | 6.91 |
| 25 | 3.85 | 4.91 | 7.85 |
| 28 | 4.83 | 6.16 | 8.80 |
| 32 | 6.31 | 8.04 | 10.05 |
| 36 | 7.99 | 10.18 | 11.31 |
| 40 | 9.86 | 12.57 | 12.57 |
| 45 | 12.49 | 15.90 | 14.14 |
| 50 | 15.41 | 19.64 | 15.71 |
| 56 | 19.34 | 24.63 | 17.59 |
| 63 | 24.47 | 31.17 | 19.79 |
| 71 | 31.08 | 39.59 | 22.31 |
| 80 | 39.46 | 50.27 | 25.13 |
Certifications & Quality Assurance
Quality assurance and material traceability are important when sourcing 42CrMo4 alloy steel for engineered components. Applicable material certificates and inspection documentation can be supplied according to customer requirements. Third-party inspection can be arranged when requested.
- Mill Test Certificate
- Quality Management / ISO Certificate
- Third-Party Inspection Reports Available on Request
Export Packing & Shipping
42CrMo4 Bars can be packed according to product requirements, destination and transportation conditions. Typical packing methods include steel bundles, wooden crates, skids and waterproof protective wrapping.
For international shipments, packing and documentation requirements can be discussed before dispatch. Fumigated wooden packing can be arranged where required by destination regulations.
MOQ, Lead Time & Payment
Minimum Order Quantity (MOQ): MOQ depends on grade, size, quantity, stock availability and customized requirements. Contact our sales team for the applicable requirement.
Lead Time: Delivery time depends on stock, quantity, cutting, inspection, packing and manufacturing requirements. The confirmed lead time can be provided with the quotation.
Payment Terms: Payment terms can be discussed according to order quantity, destination and commercial requirements.
Typical Applications
42CrMo4 Bars are commonly used for shafts, gears, axles, crankshafts, pins, studs, bolts, spindles, hydraulic components, rollers and other mechanical parts. The material is used across automotive, engineering, construction, agriculture, mining, oil & gas and industrial machinery.
Export Destinations
Super Metal Manufacturing Co. supports 42CrMo4 Bar enquiries from customers in India and international markets including Europe, the Middle East, North America, Southeast Asia, Africa and other global destinations.
Frequently Asked Questions About 42CrMo4 Bars
What are 42CrMo4 Bars?
42CrMo4 Bars are chromium-molybdenum alloy steel bars commonly used for highly stressed mechanical and engineering components. The grade is commonly identified by material number 1.7225 and is used for shafts, gears, axles, pins, studs and other components.
What is the material number of 42CrMo4?
The commonly associated material number for 42CrMo4 is 1.7225. The exact material specification should be confirmed against the applicable standard and purchase documentation.
What is 42CrMo4 steel used for?
42CrMo4 steel is commonly used for shafts, gears, axles, crankshafts, pins, studs, bolts, spindles, rollers and other mechanical components used in automotive, machinery, construction, mining, agriculture and general engineering applications.
Is 42CrMo4 the same as EN19?
42CrMo4 and EN19 are commonly compared as alloy steel grades used for similar engineering applications. However, exact grade equivalence should be verified against the applicable material standard, chemical composition, mechanical properties and material certificate before substitution.
Is 42CrMo4 equivalent to AISI 4140?
42CrMo4 and AISI 4140 are commonly considered comparable chromium- molybdenum alloy steels for many engineering applications. However, they should not automatically be treated as identical for every specification. The applicable standard and required properties should be confirmed before material substitution.
What sizes are available in 42CrMo4 Bars?
42CrMo4 Bars can be supplied in different diameters and lengths subject to stock and production availability. The listed diameter range includes 5 mm to 500 mm, with lengths from 1000 mm to 6000 mm according to product requirements.
Can 42CrMo4 Bars be heat treated?
Yes. 42CrMo4 can be supplied in different heat-treatment conditions, including annealed, normalized, hardened and tempered, and quenched and tempered. The selected condition depends on the required mechanical properties and application.
What surface finishes are available for 42CrMo4 Bars?
Depending on product availability and specification, 42CrMo4 Bars can be supplied with bright, black, forged or turned bright surface finishes.
Do you provide an MTC for 42CrMo4 Bars?
Yes. A Mill Test Certificate can be supplied according to the applicable purchase requirement. Additional inspection documentation and third-party inspection can also be coordinated when requested.
How can I buy 42CrMo4 Bars from India?
Send your required diameter, length, quantity, surface finish, heat-treatment condition, applicable standard and delivery destination to Super Metal Manufacturing Co. by email or WhatsApp. Our team can check availability and provide quotation information.