Papua New Guinea DT4/DT4A/DT4E/DT4C/ Pure Iron Bar
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Product Description
DT4/DT4A/DT4E/DT4C/ Pure Iron Bar Description
DT4 electromagnetic pure iron is mainly used for the use of magnetic components in electronics, instruments, meters, and equipment. Steel has high purity. The Yaoqiang Electromagnetic Pure Iron series steel is made of killed steel and refined, resulting in a dense, uniform, and good internal structure with low gas content. Good electromagnetic performance. Low coercivity (Hc), high strong magnetic permeability (μ), high saturation magnetization (Bs), stable magnetic properties without magnetic aging.
| Electromagnetic Properties of Pure Iron | |||||||||
| Grade | Coercivity Hc (A/m) | Maximum permeability μmax (mH/m) | Magnetic flux density B (T) | ||||||
| B200 | B300 | B500 | B1000 | B2500 | B5000 | B10000 | |||
| DT4 | ≤ 96.0 | ≥ 7.50 | 1.20 | 1.30 | 1.40 | 1.50 | 1.62 | 1.71 | 1.80 |
| DT4A | ≤ 72.0 | ≥ 10.00 | |||||||
| DT3E | ≤ 48.0 | ≥ 12.50 | |||||||
| DT4C | ≤ 32.0 | ≥ 15.00 | |||||||
| DT8 | ≤ 96.0 | ≥ 7.50 | – | – | 1.40 | 1.50 | 1.62 | 1.71 | 1.80 |
| DT8A | ≤ 72.0 | ≥ 8.75 | |||||||
| DT9E | ≤ 64.0 | ≥ 17.50 | – | – | 1.50 | 1.57 | 1.64 | 1.71 | 1.80 |
|
Denuo Pure Iron |
Chemical Composition (Mass Fraction) (%) ≤ |
||||||||
|
C |
Si |
Mn |
P |
S |
Al |
Cr |
Ni |
Cu |
|
|
DT3/DT3A |
0.04 |
0.20 |
0.30 |
0.020 |
0.020 |
0.50 |
0.10 |
0.20 |
0.20 |
|
DT4/DT4A/DT4E/DT4C |
0.025 |
0.20 |
0.30 |
0.020 |
0.020 |
0.15~0.50 |
0.10 |
0.20 |
0.20 |
|
SUYP/SUYB |
0.008 |
0.05 |
0.20 |
0.020 |
0.020 |
0.15~0.50 |
0.05 |
0.10 |
0.10 |
Chemical Composition
|
C |
Mn |
P |
S |
Cu |
N |
|
0.010% |
0.10% |
0.010% |
0.008% |
0.03% |
0.006% |
Physical Performance
| Density at 20 °C | 7,86 kg/dm³ |
| Elastic modulus | 207 kN/mm² |
| Linear thermal expansion coefficient temperature range 0° C-100° C |
12·10-6 1/°C |
| Melting point | 1.536 °C |
Scope of Application
● Magnetic Shielding
● Aviation and Nuclear Industry
● Production of magnets (yokes, pole cores and armatures)


















