Siddhigiri Tubes is a leading provider of premium quality 4130 chromoly tubes, catering to diverse industrial sectors with precision-engineered solutions. Established on the principles of reliability, innovation, and integrity, we have emerged as a trusted name in the field of metallurgy and tubing technologies. With a commitment to excellence, Siddhigiri Tubes continues to redefine industry standards and deliver unmatched products to our valued clients.
The 4130 CHROMOLY TUBING is a versatile and highly sought-after alloy steel, renowned for its exceptional mechanical properties. Manufactured from premium raw materials, our tubing is engineered to meet the rigorous demands of various industries. Recognized for its outstanding strength-to-weight ratio, superior weldability, and excellent formability, this tubing finds extensive application in aerospace, motorsports, and other high-stress environments.
| Element | Content (%) |
|---|---|
| Iron, Fe | 97.03 – 98.22 |
| Chromium, Cr | 0.80 – 1.10 |
| Manganese, Mn | 0.40 – 0.60 |
| Carbon, C | 0.280 – 0.330 |
| Silicon, Si | 0.15 – 0.30 |
| Molybdenum, Mo | 0.15 – 0.25 |
| Sulfur, S | 0.040 |
| Phosphorous, P | 0.035 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
| Melting point | 1432°C | 2610°F |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 560 MPa | 81200 psi |
| Tensile strength, yield | 460 MPa | 66700 psi |
| Modulus of elasticity | 190-210 GPa | 27557-30458 ksi |
| Bulk modulus (Typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (Typical for steel) | 80 GPa | 11600 ksi |
| Poissons ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 21.50% | 21.50% |
| Reduction of area | 59.6 | 59.60% |
| Hardness, Brinell | 217 | 217 |
| Hardness, Knoop (Converted from Brinell hardness) | 240 | 240 |
| Hardness, Rockwell B (Converted from Brinell hardness) | 95 | 95 |
| Hardness, Rockwell C (Converted from Brinell hardness, value below normal HRC range, for comparison purposes only.) | 17 | 17 |
| Hardness, Vickers (Converted from Brinell hardness) | 228 | 228 |
| Machinability (Annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.) | 70 | 70 |
Standard – ASTM A519, AISI, ASME, AMS 6736, 6737
Sizes – 6 mm OD to 600 mm OD
Wall thickness – 0.5 mm to 50 mm
Chromoly 4130 Sheets & Plates
Size Width – 100 mm to 3000 mm
Length – 100 mm to 12,000 mm
Thickness 0.5 mm to 50 mm
Chromoly 4130 Round, Square Bars
Size – 6 mm to 350 mm OD
Chromoly 4130 Filler Wire
Size – 1 mm to 8 mm
Chromoly 4130 Pipe Fittings, Flanges, Fasteners etc as per customer requirement
