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Delivery forms of steel circle 1.6523 / 20XHM Steel circles Steel grades Dimensions supplied (mm) Steel Circle 1.6523 6 – 250 Steel Circle 1.6523 / 20NiCrMo2-2 / 20ХНМ 📌 Overview Steel circle 1.6523 / 20NiCrMo2-2 / 20ХНМ is a low-alloy case-hardening steel with excellent wear resistance, high strength, and great toughness after heat treatment. It […]
Delivery forms of steel circle 1.6523 / 20XHM
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Steel circles |
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| Steel grades | Dimensions supplied (mm) |
| Steel Circle 1.6523 | 6 – 250 |
📌 Overview
Steel circle 1.6523 / 20NiCrMo2-2 / 20ХНМ is a low-alloy case-hardening steel with excellent wear resistance, high strength, and great toughness after heat treatment. It is widely used in the manufacturing of heavy-duty components that require durability and resistance to mechanical stress.
🔹 Chemical Composition (%):
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.17 – 0.23 |
| Silicon (Si) | ≤ 0.40 |
| Manganese (Mn) | 0.50 – 0.90 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 0.40 – 0.70 |
| Nickel (Ni) | 0.30 – 0.60 |
| Molybdenum (Mo) | 0.15 – 0.25 |
🔹 Mechanical Properties:
| Parameter | Value |
|---|---|
| Hardness (HB) | 170–220 |
| Yield Strength (MPa) | ≥ 600 |
| Tensile Strength (MPa) | 900–1100 |
| Elongation (%) | ≥ 12 |
| Impact Toughness (J) | ≥ 35 |
🔹 Applications:
| Industry | Usage |
|---|---|
| Automotive Industry | Manufacturing of gears, shafts, and high-stress components |
| Mechanical Engineering | Heavy-duty machinery parts requiring high strength |
| Aerospace Industry | Structural elements subjected to extreme loads |
| Tool Manufacturing | Precision tools and wear-resistant components |
🔹 Advantages:
| Feature | Benefit |
|---|---|
| Excellent case hardening properties | Ensures high surface hardness and wear resistance |
| High impact toughness | Prevents failure under heavy mechanical loads |
| Good machinability and weldability | Enables easy manufacturing and assembly |
| Superior fatigue resistance | Extends lifespan under cyclic loading conditions |
Steel 1.6523 / 20NiCrMo2-2 / 20ХНМ is a reliable material for industries that demand exceptional wear resistance, strength, and durability in high-performance applications.
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