Premium Alloy Steel Round Bar Supplier in Mumbai – Quality & Service
Jini Enterprise is a premier alloy steel round bar supplier in Mumbai, delivering high-quality round bars to industries across India. We stock a comprehensive range of alloy steel grades including EN series (EN24, EN19, EN8), ASTM A182, AISI 4140, 4340, 8620, and chrome-moly grades – available in bright, turned, ground, and peeled finishes.
As a leading supplier based in Mumbai, we cater to the needs of forging companies, machining workshops, heavy engineering, and construction sectors. Our commitment to quality, competitive pricing, and on-time delivery makes us the preferred partner for alloy steel round bars in Maharashtra and beyond.
🏭 Why Choose Jini Enterprise for Alloy Steel Round Bars?
✔ Wide Grade Range
EN, ASTM, AISI grades in stock for all applications.
✔ Custom Cutting
Cut-to-length services for exact project needs.
✔ Quality Tested
Mill test certificates & third-party inspection.
✔ Mumbai Base
Fast delivery across Mumbai, Thane, and all India.
📦 Our Alloy Steel Round Bar Inventory
We maintain a robust stock of alloy steel round bars in various grades and sizes:
| Grade |
Equivalent |
Diameter Range |
Finish |
Availability |
| EN24 (817M40) |
AISI 4340 |
6mm – 300mm |
Bright, Turned, Ground |
✅ In Stock |
| EN19 (709M40) |
AISI 4140 |
6mm – 300mm |
Bright, Turned, Ground |
✅ In Stock |
| EN8 (080M40) |
AISI 1040 |
6mm – 250mm |
Bright, Turned |
✅ In Stock |
| AISI 8620 |
EN34 |
10mm – 200mm |
Ground, Peeled |
✅ In Stock |
| AISI 4130 |
EN18 |
10mm – 250mm |
Bright, Ground |
✅ In Stock |
📊 Which Alloy Steel Grade is Right for You?
🔩 EN24 / 4340
- Best for: Heavy-duty shafts, gears, axles, and high-stress components
- Hardness: 229 – 269 HB (as rolled)
- Tensile: 850 – 1000 MPa
- Key Feature: Excellent strength and toughness
⚙️ EN19 / 4140
- Best for: Forging, automotive parts, and general engineering
- Hardness: 207 – 229 HB
- Tensile: 750 – 900 MPa
- Key Feature: Good hardenability and wear resistance
📊 Chemical Composition – Popular Alloy Steel Grades
| Grade |
C % |
Mn % |
Cr % |
Mo % |
Ni % |
| EN24 (4340) |
0.38 – 0.43 |
0.60 – 0.80 |
0.70 – 0.90 |
0.20 – 0.30 |
1.65 – 2.00 |
| EN19 (4140) |
0.38 – 0.43 |
0.75 – 1.00 |
0.80 – 1.10 |
0.15 – 0.25 |
– |
| EN8 (1040) |
0.36 – 0.44 |
0.60 – 1.00 |
– |
– |
– |
| AISI 8620 |
0.18 – 0.23 |
0.70 – 0.90 |
0.40 – 0.60 |
0.15 – 0.25 |
0.40 – 0.70 |
⚙️ Mechanical Properties – For Engineering Applications
| Property |
EN24 (4340) |
EN19 (4140) |
EN8 (1040) |
| Tensile (MPa) | 850 – 1000 | 750 – 900 | 580 – 720 |
| Yield (MPa) | 650 – 800 | 550 – 700 | 400 – 500 |
| Hardness (HB) | 229 – 269 | 207 – 229 | 179 – 207 |
| Elongation % | 12 – 15 | 14 – 17 | 16 – 20 |
📦 Why Partner with Jini Enterprise for Round Bars?
🏭 Mumbai Warehouse
Ready stock for immediate dispatch across Maharashtra.
✂️ Cut-to-Length
We cut bars to your exact length, reducing waste.
📄 MTC & Inspection
All bars come with EN 10204 3.1 certificates.
🚚 Pan-India Shipping
Reliable logistics for all industrial hubs.
📐 Available Forms & Finishes
🔘 Round Bars (6mm – 300mm)
✨ Bright Bars (Peeled)
🔧 Ground & Polished
📏 Custom Cut Lengths
🧱 Turned Bars
✨ Surface Finishes Available
⚫ Hot Rolled / Black
🔘 Peeled / Turned
✨ Precision Ground
💡 Bright Drawn
🧪 Polished
🔩 Industrial Applications of Alloy Steel Round Bars
⚙️ Forging & Machining
🚜 Axles & Shafts
🔧 Gears & Pinions
🏗️ Construction Equipment
🛢️ Oil & Gas Components
🔩 Fasteners & Studs
🧲 Mining Equipment
⚡ Power Generation
📍 Based in Mumbai – Serving All of India
We supply alloy steel round bars to industries across Maharashtra and beyond:
Mumbai
Thane
Pune
Navi Mumbai
Gujarat
Tamil Nadu
Karnataka
Delhi NCR
Rajasthan
West Bengal
Telangana
Punjab
🔬 Quality Assurance – Every Batch Tested
✔ OES Spectro Analysis
✔ Hardness (HB) Testing
✔ Tensile & Yield Testing
✔ Ultrasonic Testing (UT)
✔ Microstructure Check
✔ EN 10204 3.1 MTC
📍 Mumbai Warehouse: Sripati Castle Annex-1 C-103, 1st floor, Sripati Castle,
Balwant Kolhatkar Marg, Mumbai – 400004. Conveniently located for fast delivery across Mumbai, Thane, and all India.
📞 Looking for Alloy Steel Round Bars in Mumbai? We Supply Across India!
Partner with Jini Enterprise – your trusted alloy steel round bar supplier in Mumbai.
We offer premium grades like EN24, EN19, EN8, 4140, 4340, and more – cut to size, with full certification.
Get your quote today!
📧 Email: jinienterprise109@gmail.com
📞 Call Now: +91 865 591 6397