High Permeability Magnetic Retail Electrician Pure Iron Bar Pure Iron Plate Pure Iron Magnetic Factory Processing Directly for Spot Price Protection

• Customization: Available
• Technique: Hot Rolled
• Standard: GB
• Model NO.: DT4C
• Shape: Round
• Alloy or Not: Non-alloy
• Transport Package: Tray
• Origin: Shanxi

Product Description

Product Description

High permeability magnetic retail electrician pure iron bar pure iron plate pure iron magnetic factory processing directly for spot price protection

 

Our Advantages

The products are mainly used for all kinds of precision alloy, electrical alloy, soft magnetic, amorphous alloy and permanent magnet alloy and other products of material characteristics

Advanced production technology: All products are pretreated by hot metal, top and bottom reblown converter, vacuum refining process with low gas content and high steel purity
Good electromagnetic performance
Good cold and hot processing performance
Good surface quality

pure iron

1. Purpose
Mainly used in electrical appliances, telecommunications, instruments and cutting-edge national defense industries to produce electromagnetic components, electromagnetic cores, etc. Typical uses and examples are as shown in the table:
 

Typical uses	Example
In electrical appliances and telecommunications work, we make cells and armature yokes for various types of relays.	Automatic telephone relays, railway signal relays, multi-purpose relays (temperature relays, pulse relays, time relays, special relays) used in communication and automatic control facilities, and relays used in various electrical control equipment.
Electromagnet core material	Bending and gathering magnets of high-energy accelerators, electroacoustic devices, solenoid valves, electromagnetic cores of magnetic separation equipment, etc.
Magnetic components for food instruments	Analysis of high-resolution magnet poles on food, electromagnetic sorters and detectors in geological instruments, focusing magnets of electron microscopes and fan electromagnetic lenses of scanning electron microscopes, aircraft automatic control components, poles of magnetizers, etc.
DC motor core and casing	Aviation DC motor, etc.
Electrical or magnetic parts for automobiles, tractors and lathes	Car regulator, flasher, starter, horn, lathe electromagnetic chuck, conductive magnet, magnetic conductive plate, etc.
Magnetic shielding equipment	Types of magnetic shielding covers or shielding boxes, shielding materials that require high shielding equipment.

2. Main features
(1) Good electromagnetic properties. It has low coercive force (Hc), high magnetic permeability (μ), high saturation magnetic induction (Bs), stable magnetic properties and no magnetic aging.
(2) Steel has high purity. The steels of the electromagnetic pure iron series are all killed steel and refined, so the internal structure is dense, uniform, fine, with low gas content, and the magnetic content of the finished product is ≤0.004%, which creates reliable conditions for users to simplify and shorten the annealing process of parts. .
(3) Good cold and hot processability. Cold working, such as turning, piercing, punching, bending, pulling...etc., is no problem. During hot processing, such as re-forging and re-rolling, the red brittleness sensitivity is small, and many grades do not have red brittle areas, which can ensure processing within the temperature range of the trap.
(4) Good surface quality. Has good welding and plating properties.
(5) High dimensional accuracy. Ultra-precision cold-rolled plates can be provided, such as plate thickness ≤1.5mm, thickness tolerance can be guaranteed
≤±0.03mm; plate thickness >1.5mm, thickness tolerance can be guaranteed to be ≤±0.05mm.
As a kind of deep drawing material, electromagnetic pure iron can be punched into extremely complex shapes. It has high magnetic susceptibility and low diamagnetic properties and is widely used in electronics and electrical engineering, electrical components, magnetic materials, amorphous products, relays, Sensors, car brakes, textile machinery, electric meter solenoid valves and other products. It has a higher melting point than iron, is more difficult to rust than iron in humid air, and can be passivated in cold concentrated sulfuric acid.





Attached: Electromagnetic performance indicators specified by GB (national standard)
 

Trademark

Coercivity 
Hc
A/m
(Oe)
no greater than 

Coercive force aging
value added△Hc
A/m
(Oe)
no greater than 

Maximum magnetic permeability 
μm
H/m
(Gs/Oe)×

10	-3

not less than 

Magnetic inductionT(Gs)
not less than 

B200

B300

B500

B1000

B2500

B5000

B10000

DT4

96.0
(1.20)

--

7.5
(6000)

1.20
(12000)

1.30
(13000)

1.40
(14000)

1.50
(15000)

1.62
(16200)

1.71
(17100)

1.80
(18000)

9.6
(0.12)

DT4A

72.0
(0.9)

--

8.8
(7000)

7.2
(0.09)

DT4E

48.0
(0.6)

4.8
(0.06)

11.3
(9000)

DT4C

32.0
(0.4)

4.0
(0.05)

15.1
(12000)

Attached: Electromagnetic performance indicators specified by GB (national standard)

Trademark	Chemical composition % (not greater than)
	C	Si	Mn	P	S	Cr	Ni	Cu	AL
DT4	0.025	0.20	0.30	0.02	0.02	0.10	0.20	0.15	0.50	GB/6983-86
	0.003	0.02	0.19	0.015	0.008	0.01	0.01	0.01	0.22	actual
YT0	0.003	0.02	0.07	0.012	0.009	0.03	0.03	0.03	0.06
YT01	0.002	0.01	0.03	0.005	0.003	0.02	0.02	0.01	0.01

Electromagnetic pure iron annealing process

temperature/ºC


                           900ºC±20ºC
              ≯50ºC/h                        
                                               ≯50ºC/h
800ºC
                                               700ºC

                                                            Follow the stove

500ºC
out of the oven
       time/ h
1. Magnetic heat treatment process
The furnace is heated to 800ºC, then heated to 900±20ºC at a rate of ≯50ºC/hour, kept warm for 4 hours, then cooled to below 800ºC at a rate of ≯50ºC/hour, and then cooled in the furnace to below 500ºC or Serve at room temperature.
2. Artificial aging heat treatment process;
Keep warm at 130ºC for 50 hours.