Factory source manufacturing Iron Alloy Precision Alloy 1J79 Alloy4 to Estonia Importers
Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Factory source manufacturing Iron Alloy Precision Alloy 1J79 Alloy4 to Estonia Importers, We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.We strongly believe that we can do better and better.
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 |
Movie da parte di Costanzo Perico
Qingdao NPA Marketplace Co. Ltd is a foremost manufacturer specialized in centrifugal casting tube and static castings of warmth resistant alloys, which include ethylene cracking furnace tube, reformer furnace tube, CAL(constant annealing traces) &CGL(constant galvanizing traces) furnace roller and radiant tube, glass lehr roller and warmth/have on resistant castings. The annual potential is 9000 tons centrifugal casting tube and 3500 tons static castings (500 tons precision castings).
Internet site: www.npa-china.com
