L605 alloys

L605 alloys is a nonmagnetic solid-solution strengthened cobalt base alloy that has good oxidation-corrosion resistance as well as high strength at elevated temperatures.
ROD | WIRES | SHEETS | COIL | STRIPS

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L605 / Haynes 25 Alloy is cobalt-based wrought alloy that is resistant to oxidation and carburization coupled with excellent high temperature strength. Even in the work hardened state, it is non-magnetics Haynes 25 Alloy  with very good strength up to about 1500°F (815°C) and good oxidation resistance up to about 1800°F (980°C).as we L605 alloys suppliers we provide l605solution heat treated in the range of 2150-2250°F and rapid air or water quenched to attain optimum properties. 

L605 is composed primarily of cobalt (Co), with a specified mixture of chromium (Cr), tungsten (W), nickel (Ni), iron (Fe) and carbon (C), as well as small amounts of manganese (Mn), silicon (Si), and phosphorus (P). The tungsten and nickel improve the alloy’s machinability, while chromium contributes to its solid-solution strengthening.l605 is purely cobalt based alloys.

Heat treatment:

Bars shall be solution heat treated by heating to a temperature within the range 2150 to 2250 °F, holding at the selected temperature within ±25 °F for a time commensurate with section thickness, and cooling at a rate equivalent to an air cool or faster. Hardness of bars 277 HB max.

L605 / Haynes 25 Alloy Material Applications.
• wire based stents
• filters
• surgical instruments
• pacemaker
• leads and orthopedic implants
• Medical devices
• Dental products

Haynes 25 Alloy Specifications
UNS R30605
AMS 5537 Sheet Strip and Plate
AMS 5759 Bar and Forging Stock
AMS 5796 Welding Wire
AMS 5797 (UNS W73605) Welding Rod
ASTM F90 Bar and Wire (surgical implant quality)

Haynes 25 Alloy Available Forms.
Coil
• Sheet
• Strip
• Foil
Wire
• Profile (Shaped Wire)
• Round
• Flat

Chemical Composition Limits
Weight% C P Si Ni W Mn S Cr Co Fe
Alloy L-605 0.05 – 0.15 0.040 max 0.40 max 9.0 – 11.0 14.0 – 16.0 1.0 – 2.0 0.030 max 19.0 – 21.0 Bal 3.0 max

Mechanical Properties

Material Temperature °F Yield Strength 0.2% Tensile Strength Elongation (%) Hardness HB
Extruded Bar
Alloy 25 / L-605
RT 310 Mpa
45 KSI
862 Mpa
125 KSI
30 277 max

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