13 Years Factory wholesale Iron Alloy Precision Alloy 1J79 Alloy4 to Comoros Factory

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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our management ideal for 13 Years Factory wholesale Iron Alloy Precision Alloy 1J79 Alloy4 to Comoros Factory, Looking to the future, a long way to go, constantly striving to become the all staff with full enthusiasm, one hundred times the confidence and put our company built a beautiful environment, advanced products, quality first-class modern enterprise and work hard!


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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