Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 10000pcs/month |
| Usage | for Industrial Machinery |
| Service Life | Super durable |
| Lifespa | Long |
| Permeability (μ) | 1-50,000 H/m |
| Soft Magnetic | <10 kJ/m³ |
| Hard Magnetic | 10-400 kJ/m³ |
| Density | 6.0-7.4 g/cm³ |
| Resistivity | 10-50 μΩ·cm |
| Brand Name | Sanxin |
| Model Number | SX-2381 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 10000pcs/month |
| Usage | for Industrial Machinery | Service Life | Super durable |
| Lifespa | Long | Permeability (μ) | 1-50,000 H/m |
| Soft Magnetic | <10 kJ/m³ | Hard Magnetic | 10-400 kJ/m³ |
| Density | 6.0-7.4 g/cm³ | Resistivity | 10-50 μΩ·cm |
| Brand Name | Sanxin | Model Number | SX-2381 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | sintered magnetic metal materials ，industrial machinery magnetic materials ，cemented carbide tool with warranty | ||
SINT-D39 Standard for Sintered Magnetic Metal Materials in Industrial Manufacturing
1. Standard Overview
DIN 30910-4:2004 is a specialized standard published by the German Institute for Standardization (DIN) that specifies the technical delivery conditions for sintered magnetic metal materials. As Part 4 of the DIN 30910 series on sintered metals, it focuses on powder metallurgy-based magnetic materials, defining their chemical composition, physical properties, magnetic characteristics, mechanical performance, and delivery requirements. It applies to both soft magnetic and hard magnetic (permanent magnet) materials used in industrial manufacturing.
2. Material Classification & Composition
(1) Material Types
|
Category |
Typical Materials |
Primary Composition |
Key Features |
|
Soft Magnetic |
Pure Fe, Fe-Si, Fe-Ni |
Fe, Si (1-6%), Ni (30-80%) |
High permeability, low coercivity, low losses |
|
Hard Magnetic |
AlNiCo, Sintered NdFeB, Ferrites |
Fe, Co, Ni, Al, Nd, B |
High coercivity, high remanence, permanent magnetism |
(2) Key Chemical Requirements
Impurity Control: Strict limits on sulfur (S), oxygen (O), etc., to prevent magnetic degradation.
3. Key Performance Metrics
(1) Magnetic Properties (Core Parameters)
|
Parameter |
Soft Magnetic |
Hard Magnetic |
Test Standard |
|
Permeability (μ) |
500–50,000 |
1–10 |
IEC 60404-4 |
|
Coercivity (Hc) |
<1 kA/m |
10–1000 kA/m |
IEC 60404-5 |
|
Remanence (Br) |
0.5–1.5 T |
0.8–1.4 T |
IEC 60404-2 |
|
Max Energy Product (BHmax) |
<10 kJ/m³ |
10–400 kJ/m³ |
IEC 60404-7 |
|
Hysteresis Loss |
Low (AC applications) |
High (permanent magnets) |
IEC 60404-6 |
(2) Physical & Mechanical Properties
|
Property |
Typical Range |
Influencing Factors |
|
Density |
6.0–7.4 g/cm³ |
Sintering pressure/temp |
|
Resistivity |
10–50 μΩ·cm |
Si/P content |
|
Tensile Strength |
100–300 MPa |
Porosity/alloying |
|
Hardness (HV) |
50–150 |
Heat treatment |
4. Industrial Applications
(1) Soft Magnetic Applications
(2) Hard Magnetic (Permanent Magnet) Applications
5. Material Selection Guide
|
Application Need |
Recommended Material |
Rationale |
|
High-frequency, low loss |
Fe-Si (3–6% Si) |
High resistivity reduces eddy currents |
|
Ultra-high permeability |
Fe-Ni (Permalloy) |
μ > 50,000 |
|
Strongest permanent magnet |
Sintered NdFeB |
BHmax > 300 kJ/m³ |
|
Corrosion resistance |
Fe-P (Phosphorus Iron) |
Phosphorus improves oxidation resistance |
|
High-temperature stability |
SmCo |
Stable > 300°C |
Company Details
Business Type:
Manufacturer,Importer,Exporter,Seller,Other
Year Established:
2003
Total Annual:
8000000-10000000
Employee Number:
150~180
Ecer Certification：
Verified Supplier
Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,... Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,...
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