Quality Inspection for Iron Alloy Precision Alloy 1J79 Alloy4 for Frankfurt Factory
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HY J79 Material grades and equivalents
1J79 / AISI/ASTM Alloy4
HY J79 Chemical composition
|
Grade |
C |
P |
S |
Mn |
Ni |
Si |
Mo |
Cu |
Fe |
||||
|
≤ |
|||||||||||||
| HY J79 |
0.03 |
0.02 |
0.02 |
0.6-1.1 |
78.5-80.5 |
0.3-0.5 |
3.8-4.1 |
≤0.20 |
Rest |
||||
HY J79 Alloy Mechanical properties in the room temperature
|
Grade |
Shape |
Magnetic properties |
|||
|
Initial permeabilityμO |
Maximum permeabilityμm |
Hc |
Saturation induction density BS |
||
|
HY J79 |
Cold rolling strips |
≥31 |
≥250 |
≤1.2 |
0.75 |
|
Rod wire |
≥25 |
≥3125 |
≤2.4 |
0.75 |
|
HY J79 Characteristic as below
HY J79 has a high initial permeability, to work in a weak magnetic field of various transformers, transformers, magnetic amplifiers, choke coil core and magnetic shielding.
| Regular shape for all kinds of alloys | |||
| Form | Specification | Supply Form | Others |
| Sheet | Thickness：0.40-4.75mm，General Width：1000、1219、1500mm | Whole Coil or piece of it | Cold Annealed，Surface 2B、2E |
| Plate | Thickness：4.76-60mm，Width：1500、2000、2500mm，Length：3000、6000、8000、8500mm（Under 10mm plate can be coiled） | Whole Coil or piece of it | Single hot rolling，Solid solution annealed state，Surface 1D |
| Belt | Thickness：0.10-3.0mm，Width：50-500mm | Whole Coil or Specified size | Cold Annealed，Surface 2B、2E |
| Bar & Rod | Rolled barΦ5-45mm，Length≤1500mm | Polished Bar（circle、Square） | Solution annealing,descaling |
| Forged barΦ26-245mm，Length≤4000mm | |||
| Weld tube | Outer diameterΦ4.76-135mm，Wall Thickness0.25-4.00mm，Length：≤35000 mm | Base on your requirement | |
| Seamless Tube | Outer diameterΦ3-114mm，Wall Thickness0.2-4.5mm | Base on your requirement | |
| Wire | Outer diameterΦ0.1-13mm | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
| Forged piece | discs,rings,squares,blocks,slabs | Base on your requirement | Steel, Alloy |
| Flangs | All kinds of Flangs | Base on your requirement | Steel, Alloy |
| Welding Material | Coil wire Φ0.025mm-1.6mm | Base on your requirement | Certificate of Origin：America, Sweden, Britain, Germany, Austria, Italy, France. |
| Straight WireΦ1.6mm-4.0mm | |||
| Welding rodΦ1.2mm-4.0mm | |||
| Tube | Elbow, three links, four links, different diameter size | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
| Explosive bonded laminate | Raw Sheet Thickness≥2mm | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
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