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AMS HS 25 Details

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HS 25 Application:Cobalt Alloy, Corrosion and Heat-Resistant, Welding Wire, 52Co - 20Cr - 10Ni - 15W

Category Type Grade Designations
Grades Superalloys HS 25 USA - AMS , AMS 5796 - Cobalt Alloy, Corrosion and Heat-Resistant, Welding Wire, 52Co - 20Cr - 10Ni - 15W
AMS 5759 - Cobalt Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings, 52Co - 20Cr - 10Ni - 15W

Chemical composition(wt.%) of HS 25 grade: AMS 5796

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.05 0.15
Mn 1.00 2.00
P - 0.40
S - 0.03
Si - 0.40
Cr 19.00 21.00
Ni 9.00 11.00
Co - Bal
Fe - 3.0
W 14.00 16.00
Haynes 25™ has an excellent temperature strength and oxidation resistance to 2000 ºF. Haynes 25™ is hot formable between 1900 ºF- 2300 ºF. Also known as Alloy L605, it is better to cold-work Haynes 25™ for bending, spinning and drawing the components.

Mechanical properties of grade HS 25 AMS 5796

Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
866 (≥) 775 (≥) 44 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical properties of grade HS 25 AMS 5796

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
254 (≥) 746 (≥) 33 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 214
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
419 859 858

HS 25 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
HS 25 AMS USA
Cobalt Alloy, Corrosion and Heat-Resistant, Welding Wire, 52Co - 20Cr - 10Ni - 15W
Alloy L605 AMS USA
Cobalt Alloy, Corrosion and Heat-Resistant, Welding Wire, 52Co - 20Cr - 10Ni - 15W
R30605 UNS USA
Co-Cr-Ni-W alloy

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