21 Years Factory Iron Alloy Precision Alloy 1J79 Alloy4 Supply to Thailand

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We are experienced manufacturer. Wining the majority of the crucial certifications of its market for 21 Years Factory Iron Alloy Precision Alloy 1J79 Alloy4 Supply to Thailand, Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us


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
(mH/m)

Maximum permeabilityμm
(mH/m)

Hc
(A/m)

Saturation induction density BS
(T)

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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