Manufacturer, Supplier & Exporter of EN19 Round Bar
EN19 Round Bar — overview: EN19 is a medium-to-high carbon alloy steel commonly used where a combination of strength, toughness and wear resistance is required. Riddhi Siddhi Impex supplies EN19 round bars produced to tight dimensional tolerances and consistent metallurgical quality for use in shafts, studs, pins, gears, and machine components. Their stock program is designed for domestic buyers and distributors across India, making EN19 accessible for small jobs and large fabrication runs alike..
Manufacturing & quality control: Riddhi Siddhi Impex sources EN19 from trusted mills and performs in-house inspections and third-party testing where required. Typical quality workflows include incoming material verification, microstructure checks (when requested), and hardness/tensile testing to ensure the bars meet customer specifications. They maintain batch traceability so buyers can link delivered material back to heat numbers and test certificates..
Mechanical characteristics (practical summary): EN19 round bars are valued for good tensile strength and toughness after appropriate heat treatment. In the un-treated (normalized) state they are machinable; after quenching and tempering they achieve higher yield and tensile strengths suitable for heavily loaded components. Because alloying improves hardenability, EN19 can be heat treated to provide a balance of core toughness and surface hardness for demanding service conditions..
Heat treatment & machinability: Riddhi Siddhi Impex offers EN19 in various heat-treated conditions on request — normalized, annealed, quenched & tempered, or surface hardened — depending on application requirements. Machinability is generally good in the annealed/normalized states; recommended practices include using sharp tooling and controlled cutting parameters if material has been hardened. The supplier can advise on the best heat treatment route for required mechanical properties..
Typical applications & industries: EN19 round bars are widely used in automotive components (shafts, pins), hydraulics, heavy machinery, agricultural equipment, mining tools, and engineering workshops for remanufacturing. Riddhi Siddhi Impex positions the product particularly for OEMs, job shops and maintenance/repair operations that need reliable supply and repeatable mechanical performance..
EN19 Round Bar
Specification
| Product Name | EN19 Round Bar |
|---|---|
| Manufacturer / Supplier | Riddhi Siddhi Impex |
| Grade | EN19 / 709M40 |
| Equivalent Grades | AISI 4140, 42CrMo4, SCM440 |
| Standard | BS 970 / ASTM / DIN / EN |
| Delivery Conditions | Annealed, Normalized, Quenched & Tempered (Q&T), Turned & Ground |
| Size Range | 10 mm to 600 mm Diameter |
| Length | 3 m to 6 m or Custom Cut Lengths |
| Form | Hot Rolled, Forged, Bright Bar, Black Bar |
| Applications | Shafts, Gears, Studs, Bolts, Mining Tools, Machine Components |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.35 – 0.45 |
| Manganese (Mn) | 0.50 – 1.00 |
| Silicon (Si) | 0.10 – 0.35 |
| Chromium (Cr) | 0.90 – 1.50 |
| Molybdenum (Mo) | 0.20 – 0.40 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Nickel (Ni) | ≤ 0.30 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 850 – 1100 MPa (Q&T) |
| Yield Strength | 700 – 950 MPa |
| Elongation | 8 – 16% |
| Hardness | HRC 25 – 40 (Q&T) |
| Impact Strength | High Toughness (Depending on Heat Treatment) |
| Machinability | Good (Annealed / Normalized) |
Dimension Chart (Nominal)
| Diameter (mm) | Cross-Sectional Area (mm²) | Approx. Weight (kg/m) |
|---|---|---|
| 10 | 78.54 | 0.62 |
| 12 | 113.10 | 0.89 |
| 20 | 314.16 | 2.47 |
| 25 | 490.87 | 3.86 |
| 32 | 804.25 | 6.31 |
| 40 | 1256.64 | 9.86 |
| 50 | 1963.50 | 15.39 |
| 80 | 5026.55 | 39.44 |
| 100 | 7853.98 | 61.58 |
Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| BS | EN19 / 709M40 |
| ASTM / SAE | AISI 4140 |
| DIN | 42CrMo4 (1.7225) |
| JIS | SCM440 |
Equivalent Standards
| Standard | Description |
|---|---|
| BS 970 | Specification for Alloy Steel Bars |
| ASTM A322 | Standard Specification for Steel Bars, Alloy, Hot-Wrought |
| DIN EN 10083 | Steels for Quenching and Tempering |
| JIS G4105 | Alloy Steel Bars for Structural Use |
Other Types of Alloy Steel Bars
| Type | Description |
|---|---|
| EN8 Round Bar | Medium carbon steel with good strength and machinability |
| EN24 Round Bar | High-strength alloy steel for heavy-duty applications |
| 4140 Alloy Steel Bar | Chromium-molybdenum steel for high tensile strength |
| 42CrMo4 Bars | DIN equivalent of EN19 with similar properties |
Availability & distribution across Indian cities: Riddhi Siddhi Impex supplies EN19 round bars across major domestic centers — Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Ankleshwar, Navsari, Valsad, Rajpipla and other industrial hubs. Their logistics network supports prompt deliveries, bulk shipments to warehouses, and smaller consignment orders to regional workshops.
Frequently Asked Questions (FAQs)
- Q1: Is EN19 the same as 4140?
- A1: EN19 is widely considered equivalent to AISI 4140 and DIN 42CrMo4 in terms of general composition and uses, though exact chemical ranges and guaranteed properties depend on the specific standard and mill certification. Always check mill/test certificates for precise confirmation.
- Q2: What delivery conditions can Riddhi Siddhi Impex provide?
- A2: Common delivery conditions include annealed, normalized, quenched & tempered, and turned & ground. Custom heat treatment and testing (MTC / third-party tests) can be arranged per order.
- Q3: What tolerances and surface finishes are available?
- A3: Bright/turned & ground bars are offered to tighter dimensional tolerances and smoother finishes; hot-rolled bars have wider tolerances. Specify required tolerance class and finish at time of order for quotation.
- Q4: Do you provide test certificates?
- A4: Yes — mill test certificates (MTC) are provided on request. For critical parts, Riddhi Siddhi Impex can arrange additional chemical/mechanical testing or third-party inspection.
Cities we have supplied our products to
Mumbai, EN19 Round Bar Suplier in Delhi, EN19 Round Bar Suplier in Bengaluru(Bangalore), EN19 Round Bar Suplier in Hyderabad, EN19 Round Bar Suplier in Chennai, EN19 Round Bar Suplier in Kolkata, EN19 Round Bar Suplier in Pune, EN19 Round Bar Suplier in Ahmedabad, EN19 Round Bar Suplier in Surat, EN19 Round Bar Suplier in Vadodara, EN19 Round Bar Suplier in Rajkot, EN19 Round Bar Suplier in Nagpur, EN19 Round Bar Suplier in Indore, EN19 Round Bar Suplier in Bhopal, EN19 Round Bar Suplier in Jaipur, EN19 Round Bar Suplier in Kanpur, EN19 Round Bar Suplier in Lucknow, EN19 Round Bar Suplier in Agra, EN19 Round Bar Suplier in Varanasi, EN19 Round Bar Suplier in Amritsar, EN19 Round Bar Suplier in Chandigarh, EN19 Round Bar Suplier in Mysuru (Mysore), EN19 Round Bar Suplier in Udaipur, EN19 Round Bar Suplier in Jodhpur, EN19 Round Bar Suplier in Visakhapatnam, EN19 Round Bar Suplier in Coimbatore, EN19 Round Bar Suplier in Madurai, EN19 Round Bar Suplier in Kochi, EN19 Round Bar Suplier in Thiruvananthapuram, EN19 Round Bar Suplier in Mangalore, EN19 Round Bar Suplier in Nagpur, EN19 Round Bar Suplier in Nashik, EN19 Round Bar Suplier in Kolhapur, EN19 Round Bar Suplier in Chandrapur, EN19 Round Bar Suplier in Akola, EN19 Round Bar Suplier in Vilayat, EN19 Round Bar Suplier in Somnath, EN19 Round Bar Suplier in Dahej, EN19 Round Bar Suplier in Vadodara, EN19 Round Bar Suplier in Narmada, EN19 Round Bar Suplier in Surat, EN19 Round Bar Suplier in Ankleshwar, EN19 Round Bar Suplier in Navsari, EN19 Round Bar Suplier in Valsad, EN19 Round Bar Suplier in Rajpipla, EN19 Round Bar Suplier in Veraval, EN19 Round Bar Suplier inKovvur, EN19 Round Bar Suplier in Andra Pradesh, EN19 Round Bar Suplier inKarwar, EN19 Round Bar Suplier in Karnataka, EN19 Round Bar Suplier inKosamba, EN19 Round Bar Suplier in Gujarat, EN19 Round Bar Suplier in Vishakapatnam, EN19 Round Bar Suplier in Shahad, EN19 Round Bar Suplier in Pondicherry, EN19 Round Bar Suplier in Kakkinada, EN19 Round Bar Suplier in Andra Pradesh, EN19 Round Bar Suplier in Nagda, EN19 Round Bar Suplier in Madhya Pradesh, EN19 Round Bar Suplier inHarihar, EN19 Round Bar Suplier in Karnataka, EN19 Round Bar Suplier in Tuticorin, EN19 Round Bar Suplier in Tamilnadu, EN19 Round Bar Suplier in Trivandrum, EN19 Round Bar Suplier in KeralaKurnool, EN19 Round Bar Suplier in Andra Pradesh, EN19 Round Bar Suplier in Rourkela, EN19 Round Bar Suplier in Hindupur, EN19 Round Bar Suplier in Orissa, EN19 Round Bar Suplier in Renukoot, EN19 Round Bar Suplier in Uttar Pradesh, EN19 Round Bar Suplier in Morbi, EN19 Round Bar Suplier in Kerala , EN19 Round Bar Suplier inHimachal, EN19 Round Bar Suplier in Dehradun, EN19 Round Bar Suplier in Visakhapatnam , EN19 Round Bar Suplier inJamnagar, EN19 Round Bar Suplier in Kozhikode, EN19 Round Bar Suplier in Pondicherry, EN19 Round Bar Suplier in Ludhiana, EN19 Round Bar Suplier inLatur, EN19 Round Bar Suplier in Nanded, EN19 Round Bar Suplier in Vijaywada, EN19 Round Bar Suplier in Alwar, EN19 Round Bar Suplier in Bareilly, EN19 Round Bar Suplier in Bikaner, EN19 Round Bar Suplier in Andheri, EN19 Round Bar Suplier in Marol, EN19 Round Bar Suplier in Taloja, EN19 Round Bar Suplier in Turbhe, EN19 Round Bar Suplier in TTC (Thane-Belapur), EN19 Round Bar Suplier in Pimpri-Chinchwad, EN19 Round Bar Suplier in Chakan, EN19 Round Bar Suplier in Talegaon, EN19 Round Bar Suplier in Ranjangaon, EN19 Round Bar Suplier in Jejuri, EN19 Round Bar Suplier in Baramati, EN19 Round Bar Suplier in Satpur, EN19 Round Bar Suplier in Ambad, EN19 Round Bar Suplier in Sinnar, EN19 Round Bar Suplier in Igatpuri, EN19 Round Bar Suplier in Shendra, EN19 Round Bar Suplier in Waluj, EN19 Round Bar Suplier in Chikalthana, EN19 Round Bar Suplier in Paithan, EN19 Round Bar Suplier in Hingna, EN19 Round Bar Suplier in Butibori, EN19 Round Bar Suplier in Kalmeshwar, EN19 Round Bar Suplier in Umred, EN19 Round Bar Suplier in Shiroli, EN19 Round Bar Suplier in Kagal, EN19 Round Bar Suplier in Gokul Shirgaon, EN19 Round Bar Suplier in Akkalkot, EN19 Round Bar Suplier in Chincholi, EN19 Round Bar Suplier in Lote-Parshuram, EN19 Round Bar Suplier in Dombivli, EN19 Round Bar Suplier in Ambernath, EN19 Round Bar Suplier in Mahad, EN19 Round Bar Suplier in Roha, EN19 Round Bar Suplier in Palghar, EN19 Round Bar Suplier in Tarapur (Boisar) and for inder national
Countries we have supplied our products to
South Korea, EN19 Round Bar Exporter in Africa, EN19 Round Bar Exporter in Sri Lanka, EN19 Round Bar Exporter in Syria, EN19 Round Bar Exporter in Taiwan, EN19 Round Bar Exporter in Tanzania, EN19 Round Bar Exporter in Tajikistan, EN19 Round Bar Exporter in Thailand, EN19 Round Bar Exporter in Turkey, EN19 Round Bar Exporter in Turkmenistan, EN19 Round Bar Exporter in Ukraine, EN19 Round Bar Exporter in United Kingdom, EN19 Round Bar Exporter in Arab Emirates (UAE), EN19 Round Bar Exporter in Uzbekistan, EN19 Round Bar Exporter in Vietnam, EN19 Round Bar Exporter in Yemen, EN19 Round Bar Exporter in France, EN19 Round Bar Exporter in Germany, EN19 Round Bar Exporter in Greece, EN19 Round Bar Exporter in Oman, EN19 Round Bar Exporter in Colombia, EN19 Round Bar Exporter in Portugal, EN19 Round Bar Exporter in Japan, EN19 Round Bar Exporter in Lithuania, EN19 Round Bar Exporter in Macau, EN19 Round Bar Exporter in Mongolia, EN19 Round Bar Exporter in Qatar, EN19 Round Bar Exporter in Ireland, EN19 Round Bar Exporter in Malaysia, EN19 Round Bar Exporter in Bangladesh, EN19 Round Bar Exporter in Russia, EN19 Round Bar Exporter in Iran, EN19 Round Bar Exporter in Jordan, EN19 Round Bar Exporter in Singapore, EN19 Round Bar Exporter in Bulgaria, EN19 Round Bar Exporter in Poland, EN19 Round Bar Exporter in Denmark, EN19 Round Bar Exporter in Nigeria, EN19 Round Bar Exporter in Gambia, EN19 Round Bar Exporter in Indonesia, EN19 Round Bar Exporter in Finland, EN19 Round Bar Exporter in Argentina, EN19 Round Bar Exporter in Chile, EN19 Round Bar Exporter in Spain, EN19 Round Bar Exporter in Peru, EN19 Round Bar Exporter in Kuwait, EN19 Round Bar Exporter in India, EN19 Round Bar Exporter in Saudi Arabia, EN19 Round Bar Exporter in Slovakia, EN19 Round Bar Exporter in Slovenia, EN19 Round Bar Exporter in Sweden, EN19 Round Bar Exporter in Switzerland, EN19 Round Bar Exporter in Bahrain, EN19 Round Bar Exporter in the Netherlands, EN19 Round Bar Exporter in United Kingdom, EN19 Round Bar Exporter in Mexico, EN19 Round Bar Exporter in Bulgaria, EN19 Round Bar Exporter in Spain, EN19 Round Bar Exporter in France, EN19 Round Bar Exporter in Germany, EN19 Round Bar Exporter in Colombia, EN19 Round Bar Exporter in Brazil, EN19 Round Bar Exporter in Saudi Arabia, EN19 Round Bar Exporter in Iraq, EN19 Round Bar Exporter in Iran, EN19 Round Bar Exporter in Sudan, EN19 Round Bar Exporter in Libya, EN19 Round Bar Exporter in Tanzania, EN19 Round Bar Exporter in Nigeria, EN19 Round Bar Exporter in New Zealand, EN19 Round Bar Exporter in Paris, EN19 Round Bar Exporter in Switzerland
