Name: Iron Niobium 50
SKU: 0

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Iron Niobium 50

brief introduction

Ferroniobium FeNb50 is a master alloy composed primarily of niobium and iron, with a typical niobium content of 50-60%. It serves as an effective and cost-efficient niobium additive in steelmaking and foundry industries, providing significant grain refinement and precipitation strengthening to improve strength, toughness, and weldability of various steel grades.

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Tel:+86 18954208811

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WeChat: 18954208811

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Whatsapp: +8618954208811

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product information

1. Chemical Composition

Component	Standard Specification (wt%)	Typical Range	Remarks
Niobium (Nb) + Tantalum (Ta)	58 - 65%	58 - 65%	Core alloying elements
Tantalum (Ta)	≤ 4.0%	2.0 - 4.0%	Typically present with Nb
Silicon (Si)	≤ 3.5%	2.0 - 3.5%	Main impurity
Aluminum (Al)	≤ 2.5%	1.5 - 2.5%	Main impurity
Phosphorus (P)	≤ 0.05%	≤ 0.04%	Detrimental impurity
Sulfur (S)	≤ 0.03%	≤ 0.02%	Detrimental impurity
Carbon (C)	≤ 0.20%	≤ 0.15%	Detrimental impurity
Titanium (Ti)	≤ 0.50%	≤ 0.40%	Impurity
Manganese (Mn)	≤ 0.50%	≤ 0.40%	Impurity
Iron (Fe)	Balance	Balance	Base element

Note: Composition can be adjusted according to customer requirements.

2. Physical Specifications

Parameter	Specification
Form	Irregular lumps, crushed ingot pieces
Lump Size	10-80mm (custom sizes available)
Appearance	Metallic grey with fresh fracture surface
Density	6.8 - 7.2 g/cm³
Melting Point	1410 - 1610 °C

3. Key Characteristics & Applications

Characteristics:

Grain Refinement: Effectively refines grain structure through NbC and NbN formation
Precipitation Strengthening: Enhances strength via fine precipitation
Toughness Improvement: Improves impact toughness at low temperatures
Weldability Enhancement: Preresents grain coarsening in HAZ during welding

Applications:

HSLA Steel: Structural steels, pipeline steels
Stainless Steel: Austenitic and duplex grades
Engineering Steel: High-strength components
Cast Steel: Quality improvement of castings

4. Packaging & Storage

Packaging: 1MT big bags or 25kg woven bags
Storage: Keep dry in covered warehouse
Stacking: Maximum 5 layers high

factory display

Various packaging options are available,

and we can also customize the packaging according to your requirements.

Logistics packaging

process of placing an order

Who We are

Leading Manufacturer And Supplier Of Silicon In China.

The products include ferrosilicon, calcium silicate cored wire, ferrovanadium, silicon manganese, ferromolybdenum, ferrotitanium, ferrochrome, ferromanganese, metallic silicon and other materials, which can meet the needs of different industries and customers.

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