Product Introduction
Low carbon ferro chrome is a low-carbon ferroalloy primarily composed of chromium and iron, with a carbon content generally ≤0.50%. It serves as a critical alloying additive for smelting high-quality steel.
Low-carbon ferrochrome is primarily used as an alloying additive in steel smelting, particularly suited for the production of specialty steels such as stainless steel, acid-resistant steel, and heat-resistant steel, where strict carbon content control is essential.
Basic Information
|
1. Chemical Composition |
|
| Chromium (Cr) | ≥55%–65% (Mainstream 60% grade) |
| Carbon (C) | ≤0.15%, ≤0.25% (Common) |
| Silicon (Si) | ≤1.0%–2.0% |
| Phosphorus (P), Sulfur (S) | Extremely low, strictly controlled impurities |
|
2. Common Grades (GB/T 5683): |
|
|
FeCr55C0.15 |
FeCr55C0.25 |
|
3. Appearance and Form |
|
| Silver-gray lumps, dense with metallic luster | |
| Particle Size | 10–50mm, 20–80mm, etc. (can be crushed as needed) |
| Packaging | Ton bags |
Ferrochrome Parameters
|
Product Type |
Cr (%) |
C (%) |
Si (%) |
P (%) |
S (%) |
Primary Use |
|
High Carbon Ferrochrome |
60–70 |
6–8 |
≤3.0 |
≤0.03 |
≤0.05 |
Stainless steel, electric furnace steelmaking |
|
Medium Carbon Ferrochrome |
60–70 |
0.5–2.0 |
≤1.5 |
≤0.03 |
≤0.05 |
Alloy steel, tool steel |
|
Low Carbon Ferrochrome |
60–70 |
≤0.25 |
≤1.0 |
≤0.03 |
≤0.05 |
Refined steel, stainless steel |
Primary Functions
Adding chromium to molten steel significantly enhances corrosion resistance, oxidation resistance, hardness, and wear resistance.
Strictly controlling carbon content in steel prevents excessive carbon from causing brittleness and poor weldability.
Improves steel toughness, strength, and high-temperature stability while enhancing microstructural uniformity to ensure consistent product quality.
Application Fields
Premium stainless steel
Grades like 304 and 316 requiring strict carbon content control.
Ultra-low-carbon stainless steel, heat-resistant steel, corrosion-resistant steel
Used in chemical processing, nuclear power, marine engineering, pressure vessels, etc.
High-grade alloy steel, electrical steel, precision alloys
Specialty steels demanding high purity and performance.
Precision casting, premium tubing and plate materials
Critical components requiring excellent weldability and corrosion resistance.
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