DT4/DT4A/DT4E/DT4C/ Pure Iron Bar
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.
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- Commodity name: DT4/DT4A/DT4E/DT4C/ Pure Iron Bar
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.
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° C12·10-6 1/°C Melting point 1.536 °C Scope of Application
● Magnetic Shielding
● Aviation and Nuclear Industry
● Production of magnets (yokes, pole cores and armatures) -
DT4/DT4A/DT4E/DT4C/ Pure Iron Bar - Stock Warehouse
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DT4/DT4A/DT4E/DT4C/ Pure Iron Bar - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
DT4/DT4A/DT4E/DT4C/ Pure Iron Bar - Product Measurement
Measurement Measurement Measurement Measurement -
DT4/DT4A/DT4E/DT4C/ Pure Iron Bar- Product Packaging
Baowu Special steel
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