China Suppliers Factory Industrial Roller Rebuilding Welding Wire for Efficient Wear Solutions and Maintenance
Overview:
| Model | Specification (mm) | Hardness (HRC / HB) | Chemical Composition (%) |
|---|---|---|---|
| HS-20P | 2.4, 2.8, 3.2 | 150–260 HB | C: ≤0.45, Cr: 9–16, Mn: 12–18 |
| HS-1996 | 2.4, 2.8, 3.2 | 170–220 HB | C: ≤0.15, Cr: 18–22, Ni: 8–11, Mn: 5–7 |
| HS-202 | 2.4, 2.8, 3.2 | 58–65 HRC | C: 4–6, Cr: 24–28 |
| HS-202H | 2.4, 2.8, 3.2 | 58–65 HRC | C: 4.5–6.5, Cr: 28–32 |
| HS-202M | 2.4, 2.8, 3.2 | 58–65 HRC | C: 4.5–7.5, Cr: 28–33, Mo: 0.8–1.5 |
| HS-203 | 2.4, 2.8, 3.2 | 58–65 HRC | C: 4–6, Cr: 23–30, Mo: 0.3–1.0 |
| HS-203H | 2.4, 2.8, 3.2 | 58–65 HRC | C: 4.5–6.5, Cr: 26–30, Mo: 0.3–1.0 |
| HS-243 | 2.4, 2.8, 3.2 | 58–65 HRC | C: 4.5–6.5, Cr: 22–26, Nb: 6.0–7.5 |
| HS-245 | 2.4, 2.8, 3.2 | 62–65 HRC | C: 4.5–6.5, Cr: 21.0–25.0, Mn: 0.2–2.0, Si: 0.5–2.5, Mo: 6.0–7.5, Nb: 6.0–7.5, W: 1.5–2.5, V: 0.7–1.5 |
| HS-414N | 2.4, 2.8, 3.2 | 39–45 HRC | C: <0.2, Cr: 12.0–16.0, Mn: 0.5–2.0, Si: 0.5–1.5, Mo: 0.5–1.5, Ni: 2.0–5.0 |
MillAid Welding Wires
The availability of processing equipment is the main concern of every plant, and every mill operates as a continuous process plant where one process depends directly on the other. In cement and power industries, Vertical Roller Mills (VRM) are used for grinding raw materials, crushing them into fine particles, and feeding them for further processing.
VRM parts endure severe wear during grinding and crushing operations. Once a wear problem occurs, it directly affects the most expensive parts of the plant. A worn VRM roller profile significantly reduces grinding efficiency while driving energy demands higher.
RPExtend Welding Wires
In cement and steel industries, roller presses are critical for grinding raw materials and crushing minerals. Materials positioned between rollers are compressed under intense pressure, resulting in severe abrasion and impact wear.
RPExtend welding wires were developed to build up and hardface worn rollers, increasing roller press production efficiency, curbing downtime, and preventing critical roller failure.
What causes severe wear on Vertical Roller Mill (VRM) components?
VRM components endure continuous high-stress grinding and crushing of abrasive raw materials. Over time, this leads to heavy surface wear, which alters roller profiles, decreases overall grinding efficiency, and increases plant energy consumption.
How do MillAid welding wires reduce equipment downtime?
MillAid welding wires are specifically formulated to restore worn roller profiles and provide wear-resistant hardfacing, preventing premature component failure and avoiding costly unplanned shutdowns in continuous cement and power plant processes.
What types of wear do RPExtend welding wires protect against?
RPExtend welding wires are engineered to resist extreme high-pressure abrasion and impact wear generated during material and mineral crushing in cement and steel roller presses.
Can hardfacing and refurbishment be executed on-site?
Yes. Specialized technology and repair expertise enable on-site hardfacing and refurbishment, eliminating the high costs and logistical delays associated with removing, transporting, and reinstalling heavy mill tables and rollers.
Are these hardfacing solutions suitable for new rollers as well as old ones?
Yes. Comprehensive services cover both protective preventive hardfacing on newly manufactured rollers and build-up refurbishment for worn, existing rollers, conducted either on-site or in-house.
What wire diameters and specifications are standard across these alloy models?
Most models across the series (such as HS-20P, HS-1996, HS-202, HS-243, HS-245, and HS-414N) are available in standard wire specifications of 2.4 mm, 2.8 mm, and 3.2 mm diameters.