High-Performance Electrodes for Precision Repair and Controlled Heat Welding
D & H India offers a premium range of Low Heat Input / Repair and Maintenance solutions designed for critical applications where heat control, minimal distortion, and component integrity are paramount.
Specialized Repair Categories
Carbon Steel & Low Alloy Steel
Stainless Steel & Heat Resisting
Cast Iron Repair
Hard Facing & Overlay
Nickel & Nickel Alloys
Cutting & Gauging
What is Low Heat Input Welding?
These electrodes operate at lower temperatures compared to conventional versions, helping reduce thermal stress, distortion, and metallurgical changes in the base material.
By minimizing heat transfer, they prevent warping and cracking of sensitive materials, making them the perfect choice for extending the life of expensive machinery.
Operational Advantages:
- Maintains original metallurgical properties
- Reduces risk of warping and distortion
- Minimizes post-weld machining
- Enables welding on heat-sensitive parts
Key Technical Features
Controlled Heat Input
Significantly reduces heat transfer, protecting the base metal from structural damage.
Excellent Arc Stability
Smooth, stable arc for precise control even in delicate repair jobs.
Minimal Dilution
Ensures weld metal retains properties without excessive base metal mixing.
Crack Resistance
Specifically designed to resist cracking in high-stress or damaged components.
Superior Quality
Clean, defect-free welds with excellent mechanical finish.
Easy Operability
Easy arc striking and re-striking for all skill levels.
Major Applications
- Heavy Machinery (Shafts, Gears, Housings)
- Automotive engine and precision part repair
- Power Plant critical equipment maintenance
- Mining and Construction equipment rebuilding
Industries We Serve
Oil & Gas
Mining
Power Generation
Manufacturing
Fabrication
Carbon Steel and low Alloy Steel
| Brand Name | AWS Code | Hardness | |
| SUPERMELT – I | F-6AO-EL8 | — |  |
| SUPERMELT – Il | F-7AZ-EL8 | — | |
| SUPERMELT – Ill | F-7AO-EL8 | — | |
| SUPERMELT – IV | F-7A2 EH-14 F-7P2 EH-14 | — | |
| SUPERMELT – IV (SPL) | F-7A2-EL8 F-7P2-EL8 | — | |
| SUPERMELT – V | F-7AZ/PZ EL8 | — | |
| SUPERMELT – HFA | — | 240-280 | |
| SUPERMELT – HFB | — | 340-380 | |
| SUPERMELT – HFC | — | 600-650 | |
| SUPERMELT – Gr A | EL-8 | — | |
| SUPERMELT – Gr B | EH-14 | — | |
| SUPERMELT – 12 K | EM12K | — | |
Stainless Steel & Heat Resisting Steel
| Brand Name | AWS Code | Hardness | |
| SUPERMELT – I | F-6AO-EL8 | — | |
| SUPERMELT – Il | F-7AZ-EL8 | — | |
| SUPERMELT – Ill | F-7AO-EL8 | — | |
| SUPERMELT – IV | F-7A2 EH-14 F-7P2 EH-14 | — | |
| SUPERMELT – IV (SPL) | F-7A2-EL8 F-7P2-EL8 | — | |
| SUPERMELT – V | F-7AZ/PZ EL8 | — | |
| SUPERMELT – HFA | — | 240-280 | |
| SUPERMELT – HFB | — | 340-380 | |
| SUPERMELT – HFC | — | 600-650 | |
| SUPERMELT – Gr A | EL-8 | — | |
| SUPERMELT – Gr B | EH-14 | — | |
| SUPERMELT – 12 K | EM12K | — | |
Cast Iron
| Brand Name | AWS Code | Hardness | |
| SUPERMELT – I | F-6AO-EL8 | — | |
| SUPERMELT – Il | F-7AZ-EL8 | — | |
| SUPERMELT – Ill | F-7AO-EL8 | — | |
| SUPERMELT – IV | F-7A2 EH-14 F-7P2 EH-14 | — | |
| SUPERMELT – IV (SPL) | F-7A2-EL8 F-7P2-EL8 | — | |
| SUPERMELT – V | F-7AZ/PZ EL8 | — | |
| SUPERMELT – HFA | — | 240-280 | |
| SUPERMELT – HFB | — | 340-380 | |
| SUPERMELT – HFC | — | 600-650 | |
| SUPERMELT – Gr A | EL-8 | — | |
| SUPERMELT – Gr B | EH-14 | — | |
| SUPERMELT – 12 K | EM12K | — | |
Hard Facing and Overlay Application
| Brand Name | AWS Code | Hardness | |
| SUPERMELT – I | F-6AO-EL8 | — | |
| SUPERMELT – Il | F-7AZ-EL8 | — | |
| SUPERMELT – Ill | F-7AO-EL8 | — | |
| SUPERMELT – IV | F-7A2 EH-14 F-7P2 EH-14 | — | |
| SUPERMELT – IV (SPL) | F-7A2-EL8 F-7P2-EL8 | — | |
| SUPERMELT – V | F-7AZ/PZ EL8 | — | |
| SUPERMELT – HFA | — | 240-280 | |
| SUPERMELT – HFB | — | 340-380 | |
| SUPERMELT – HFC | — | 600-650 | |
| SUPERMELT – Gr A | EL-8 | — | |
| SUPERMELT – Gr B | EH-14 | — | |
| SUPERMELT – 12 K | EM12K | — | |
Nickel and Nickel Alloys
| Brand Name | AWS Code | Hardness | |
| SUPERMELT – I | F-6AO-EL8 | — | |
| SUPERMELT – Il | F-7AZ-EL8 | — | |
| SUPERMELT – Ill | F-7AO-EL8 | — | |
| SUPERMELT – IV | F-7A2 EH-14 F-7P2 EH-14 | — | |
| SUPERMELT – IV (SPL) | F-7A2-EL8 F-7P2-EL8 | — | |
| SUPERMELT – V | F-7AZ/PZ EL8 | — | |
| SUPERMELT – HFA | — | 240-280 | |
| SUPERMELT – HFB | — | 340-380 | |
| SUPERMELT – HFC | — | 600-650 | |
| SUPERMELT – Gr A | EL-8 | — | |
| SUPERMELT – Gr B | EH-14 | — | |
| SUPERMELT – 12 K | EM12K | — | |
Cutting & Gauging
| Brand Name | AWS Code | Hardness | |
| SUPERMELT – I | F-6AO-EL8 | — | |
| SUPERMELT – Il | F-7AZ-EL8 | — | |
| SUPERMELT – Ill | F-7AO-EL8 | — | |
| SUPERMELT – IV | F-7A2 EH-14 F-7P2 EH-14 | — | |
| SUPERMELT – IV (SPL) | F-7A2-EL8 F-7P2-EL8 | — | |
| SUPERMELT – V | F-7AZ/PZ EL8 | — | |
| SUPERMELT – HFA | — | 240-280 | |
| SUPERMELT – HFB | — | 340-380 | |
| SUPERMELT – HFC | — | 600-650 | |
| SUPERMELT – Gr A | EL-8 | — | |
| SUPERMELT – Gr B | EH-14 | — | |
| SUPERMELT – 12 K | EM12K | — | |