WL MP35N

WL MP35N

MP35N R30035 Nickel-Cobalt base superalloy used for fasteners and Springs

description1
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INTRODUCTION

MP35N is an age hardenable Nickel-Cobalt base superalloy that has a unique combination of properties - ultra high strength, toughness, ductility and outstanding corrosion resistance. MP35N® resists corrosion in hydrogen sulfide, 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.

Similar Grade

UNS

W-Nr.

R30035

2.4964

CHEMICAL COMPOSITION

%

C

Co

Mn

P

S

Si

Cr

Ni

Mo

Ti

B

Fe

Min

 

Bal.

 

 

 

 

19.0

33.0

9.0

 

 

 

Max

0.02

0.15

0.015

0.01

0.15

21.0

37.0

10.5

1.0

0.01

1.0

PHYSICAL PROPERTIES

Grade

Density

Melting Point

Tensile strength,MPa

Yield strength,MPa

Elongation,%

 MP35N

8.43g/cm3

1315-1440 °C

1069

814

41

FEATURE

The ability of MP35N® to resist stress-corrosion and crevice corrosion often leads to to its selection as a fastener material, although its uses also include petrochemical equipment, racing engines and submersibles as well as medical devices and dental equipment.  This alloy is typically work-strengthened and aged to obtain strength levels of 260 to 300 ksi.

APPLICATION

Fasteners

Springs

nonmagnetic electrical components

medical instruments

medical and dental devices

seawater

oil and gas well

chemical applications

food processing environments

SPECIFICATION STANDARD

Bar

Medical

Others

AMS 5758 (Solution heat treated 1900-1925°F for 4 to 8 hours)
AMS 5844 (Solution heat treated 1900-1925°F for 4 to 8 hours and Work Strengthened)
AMS 5845 (Solution heat treated 1900-1925°F for 4 to 8 hours, Work Strengthened & Aged 1000-1200°F for 4 hours)

ASTM F562, BS 7252-6, ISO 8532-6

NACE MR-0175/ISO 15156