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AMS MP35N Details

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MP35N Application:Medical Devices Marine Engineering

Category Type Grade Designations
Grades Superalloys MP35N USA - AMS , AMS 5844 -
AMS 5845 -
ASTM F562 -
ISO 15156-3(NACE MR 0175) -
ISO 5832-6 -

Chemical composition(wt.%) of MP35N grade: AMS 5844

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.025
P - 0.015
Si - 0.15
Ni 33.00 37.00
Co - Bal
Mn - 0.15
S - 0.01
Cr 19.00 21.00
Mo 9.00 10.50
Ti - 1.00
Fe - 1.00
MP35N is an age hardenable Nickel-Cobalt base alloy that has a unique combination of properties - ultra high strength, toughness, ductility and outstanding corrosion resistance. MP35N resists corrosion in hydrogen sulphide, salt water and other chloride solutions. It also has excellent resistance to crevice and stress corrosion cracking in sea water and other hostile environments. Suitable where a high combination of strength, high modulus values and good corrosion resistance are required. Applications for this alloy also include medical devices and dental products.

Combination of high strength, ductility and good mechanical properties at ambient temperatures Excellent corrosion resistance in hydrogen sulphide Excellent resistance to crevice and stress corrosion cracking in sea water Age hardenable (Spring Temper only)

Mechanical properties of grade MP35N AMS 5844

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)
774 (≥) 861 (≥) 21 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade MP35N AMS 5844

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
668 (≥) 346 (≥) 22 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
456 159 135

MP35N - 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
MP35N AMS USA
Medical Devices Marine Engineering

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