Steel Circle 1.5755 / 30ХН3А
📌 Overview
Steel circle 1.5755 / 30ХН3А is a low-alloy structural steel with high strength, wear resistance, and good mechanical properties after heat treatment. It is widely used in manufacturing components that require high durability and impact resistance.
🔹 Chemical Composition (%):
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.26 – 0.34 |
| Silicon (Si) | ≤ 0.40 |
| Manganese (Mn) | 0.50 – 0.90 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 0.80 – 1.10 |
| Nickel (Ni) | 0.90 – 1.20 |
🔹 Mechanical Properties:
| Parameter | Value |
|---|---|
| Hardness (HB) | 180–230 |
| Yield Strength (MPa) | ≥ 550 |
| Tensile Strength (MPa) | 900–1100 |
| Elongation (%) | ≥ 12 |
| Impact Toughness (J) | ≥ 35 |
🔹 Applications:
| Industry | Usage |
|---|---|
| Automotive | Production of gears, shafts, and transmission components |
| Mechanical Engineering | Components operating under high mechanical loads |
| Aerospace | High-strength structural elements |
| Metallurgical Equipment | Parts requiring increased wear resistance |
🔹 Advantages:
| Feature | Benefit |
|---|---|
| High strength | Ensures long-term durability under heavy loads |
| Wear resistance | Prolongs service life in challenging environments |
| Good machinability | Facilitates easy processing and fabrication |
| Impact resistance | Reduces the risk of failure in critical applications |
| Thermal treatability | Enables customization of mechanical properties |
Steel 1.5755 / 30ХН3А is a reliable material for industries that demand strength, durability, and high performance under mechanical stress.
Delivery forms of steel circle 1.5755 / 30ХН3А
Steel circles | |
| Steel grades | Dimensions supplied (mm) |
| Steel circle 1.5755 / 30ХН3А | 10 – 400 |