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ASTM A848 Pure Iron Plate

ASTM A848 Pure Iron Plate

Beilun Metal provides ASTM A848 certified pure iron plates with a purity of ≥ 99.97%, a thickness range of 5mm-150mm, and a width of up to 2000mm. It supports deep processing such as laser cutting and surface coating. Specially designed for transformer cores, magnetic shielding chambers, high-precision molds and other scenarios, with over 300 global cooperative customers.
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Description

 

ASTM A848 pure iron plate

 

Ship-building Steel PlateShip-building Steel PlateCold Rolled Iron Sheet

The main chemical composition of ultra-high purity iron (electrolytic sheet) is%, not greater than
C Si Mn S P Al As Bi Pb Sn Te O N
0.0018 0.0001 0.00001 0.0004 0.0001 0.0001 0.00004 0.00001 0.00001 0.00001 0.00001 0.0016 0.0002
Product status: Sheet shaped

 

                                                    (Ingredients can be customized according to needs)

 

Core Advantage (H2)

 

1.Strict quality control:

Oxygen content ≤ 30ppm (industry average 50ppm), hydrogen ≤ 2ppm, ensure magnetic permeability ≥ 4500 H/m.

The full process vacuum induction melting (VIM)+hot isostatic pressing (HIP) process eliminates internal pores.

 

2.Performance advantages:

Tensile strength ≥ 400MPa, elongation ≥ 25% (better than ASTM standard of 20%).

Hysteresis loss as low as 1.2W/kg (50Hz, 1.5T), suitable for high-frequency applications.

 

3.Flexible services:

Standing stock of 800 tons, supporting emergency delivery within 72 hours, and providing free material analysis services.

 

Application Case (H2)

 

Case 1: High speed train transformer iron core

 

Requirement: A German manufacturer needs to reduce the temperature rise of the iron core (target<65 ℃) to improve energy efficiency.

Solution: Customized 0.27mm thick oriented silicon steel alternative solution, with a resistivity of 9.5 μ Ω· cm and a lamination coefficient of 95%.

 

Result: The temperature dropped by 18%, and the customer's annual purchase volume reached 1500 tons.

 

Case 2: Medical MRI magnetic shielding cabin

 

Challenge: Need to pass the uniformity test under a 0.5T magnetic field (error<0.01%).

 

Solution: Provide an alloy iron plate containing 0.8% nickel, combined with annealing process, to increase shielding efficiency by 33%.

 

Technical parameter table (H3)

Index ASTM A848 standard value BEILUN measured value Test method
Purity ≥99.95% ≥99.97% GD-MS
Hardness (HRB) 70-85 68-82 HRC
Grain size ≥ Level 6 Level 7-8 Metallurgical microscope
Surface roughness Ra≤1.6μm Ra≤1.2μm

Laser profilometer

 

 

Quality Commitment (H2)

 

Triple testing: direct reading spectrometer (OES)+ultrasonic testing (UT)+third-party SGS sampling.

 

Traceability system: Each iron plate comes with a unique traceability code, which can be used to query the melting batch and processing parameters.

 

SEO keyword layout
Main keywords: ASTM A848 pure iron plate, high-purity iron plate supplier, pure iron for transformer core

Long tail keywords: low oxygen pure iron plate price, medical magnetic shielding plate, vacuum melted iron plate manufacturer

Localized words: Chinese ASTM iron plate export, European industrial pure iron supplier

Enhanced Technical Parameters Table (H3)

Core Indicators Beilun Standard Typical values of competitors Test basis
Coercivity (Hc) ≤80 A/m 120-150 A/m IEC 60404-4
lamination factor ≥96% 90-93% ASTM A34
High frequency loss (400Hz) 3.8W/kg 5.2W/kg Epstein Frame
Hydrogen embrittlement sensitivity 0 rupture (200h) 2-3 level cracks ISO 17081

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