Medical Instrument Implant Grade
Austenitic Stainless Steels : Instrument Grade
Click on the alloy details to view extended information. We have the following instrument grade austenitic stainless steels available.
301/302 is an austenitic stainless steel with higher Carbon and lower Nickel contents that 304/304L with similar corrosion resistance. As a medical alloy 301/302 stainless steels main use is in spring and spring components.
Material No
1.4310
X10CrNi18-8
ASTM
ASTM F899
Magnetic
Yes
Hardness
N/A
Machineability
Good
303 stainless steel is the reference free-machining stainless steel that has numerous applications in sanitary wares, food and chemical industries as well as components in micro-mechanical engineering and components.
Material No
1.4305
X8CrNiS18-9
ASTM
ASTM F899
Magnetic
Yes
Hardness
N/A
Machineability
Good
304/304L stainless steel is the 'work-horse' stainless steel meeting the requirements of the medical specification ASTM F899, it also finds numerous applications in the food, beverage and chemical industries.
Material No
1.4301/1.4306
X5CrNi18-10
X2CrNi19-11
ASTM
ASTM F899
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
316L is an austenitic stainless steel with limited Sulphur and Carbon contents, this grade has good intergranular corrosion resistance, welding capability and polishing. 316L stainless steel is widely used in the chemical, pharmaceutical, food and petrochemical industries.
Material No
1.4441
X2CrNiMo18-5-3
ASTM
ISO 5832-1
ASTM F138
Magnetic
NO
Hardness
N/A
Machineability
Satisfactory
316L is an austenitic stainless steel with limited Sulphur and Carbon contents, this grade has good intergranular corrosion resistance, welding capability and polishing. 316L stainless steel is widely used in the chemical, pharmaceutical, food and petrochemical industries.
Material No
1.4441
X2CrNiMo17-12-2
ASTM
ASTM F899
Magnetic
Yes
Hardness
N/A
Machineability
Good
Cobalt Alloys : Instrument Grade
Click on the alloy details to view extended information. We have the following implant grade austenitic stainless steels available.
MP35N® cobalt alloy is produced by vacuum induction melting (VIM) followed by vacuum arc remelting (VAR). MP35N® cobalt alloy is a multi-phase nickel-cobalt based alloy with a unique range of properties - ultra high strength, toughness, corrosion resistance, biocompatibility and it is also nonmagnetic. MP35N® cobalt alloy is used in a variety of medical applications including orthopaedic implants, lead wire for pacemakers and cardiovascular stents.
Material No
2.4782
ASTM
ASTM F562
ASTM 5844
ASTM 5845
Magnetic
Para-Magnetic
Hardness
Up to 50 HRC
Machineability
DIfficult
Phynox KL is a hardenable, cobalt-chrome-nickel alloy with excellent corrosion resistance and biocompatibility used mainly in implants for joint replacements and other dental and medical applications.
Material No
2.4711
ASTM
ISO 5832-7
ASTM F1058
Magnetic
NO
Hardness
By cold reduction
Machineability
Satisfactory
Martensitic Stainless Steels : Instrument Grade
Click on the alloy details to view extended information. We have the following implant grade austenitic stainless steels available.
420 Mod stainless steel is a variant of 420 alloyed with Vanadium, Molybdenum and Nitrogen which features good wear and bluntness resistance as well as high quality mirror polishing. 420 Mod stainless steel is most suitable for the production of bearings, drills, taps, milling cutters and other medical tools
Material No
1.4123
X40CrMoVN16-2
ASTM
ASTM F899
Magnetic
Yes
Hardness
Up to 58HRC
Machineability
Satisfactory
420A is a hardenable stainless steel, with low carbon content and good corrosion resistance which satisfactorily fulfills the requirements for medical, surgical and dental instruments.
Material No
1.4021
X20Cr13
ASTM
ASTM F899
Magnetic
Yes
Hardness
Up to 45 HRC
Machineability
Satisfactory
420B stainless steel is an ESR remelted steel with low Sulphur content. Stainless steel 420B has good corrosion resistance and is well adapted for the production of medical, surgical and dental instruments.
Material No
1.4028
X30Cr13
ASTM
ASTM F899
Magnetic
Yes
Hardness
Up to 47HRC
Machineability
Satisfactory
420C stainless steel is a low-sulphur steel, this grade is well adapted for the production of turned part such as bolts and nuts, screws, valves, nozzles, faucet and pump parts. 420C stainless steel is also used for the manufacture of wear resistant parts such as bearings, medical, surgical and dental instruments as well as in the agro and food industries.
Material No
1.4034
X46Cr13
ASTM
ASTM F899
Magnetic
Yes
Hardness
Up to 55 HRC
Machineability
Satisfactory
420F Mod is a free-machining stainless steel with increased Molybdenum and Nickel content to improve hardness and corrosion resistance. 420F Mod stainless steel is ideal for the production of complex, precision parts which must have both good wear restistance and corrosion resistance.
Material No
1.4441
X2CrNiMo18-5-3
ASTM
ISO 5832-1
ASTM F138
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
431 stainless steel is an ESR remelted steel with high Chromium, low Carbon and Sulphur content, it has the second best corrosion resistance of all martensitic stainless steels. 431 stainless steel is well adapted for mirror finishing and therefore medical, surgical and dental instruments.
Material No
X4CrNiMoN23-21-1
ASTM
ASTM F2229
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
431 (X) stainless steel is an enhanced version of 431 produced by special powder metallurgy technology which produces a very fine microstructure and homogeneity, resulting in much reduced rejection rates for finished parts. 431 (X) stainless steels high hardenability makes it ideal for gear and rotating parts (pliers, pincers, dental drills etc).
Material No
1.4472
X4CrNiMnMo21-9-4
ASTM
ISO 5832-9
ASTM F1586
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
The addition of Molybdenum and a higher Carbon content provide 440A stainless steel with good hardenability up to 56HRC where it exhibits good wear resistance. This means that 440A stainless steel it widely used in the production of bearings, nozzles, valve components and blade items.
Material No
1.4441
X2CrNiMo18-5-3
ASTM
ISO 5832-1
ASTM F138
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
440B stainless steel medical alloy meets the requirement of medical instruments and dental cutting tools such as bone drills, knives and cutlery, punch disks, ball bearings, screw extruders and spray nozzles. 440B stainless steel fulfills most parameters of ASTM F-899 (only the Mo content higher than F-899, but this higher content increases the corrosion resistance).
Material No
X4CrNiMoN23-21-1
ASTM
ASTM F2229
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
440C stainless steel is an ESR remelted steel with low Sulphur content and high Carbon content allowing high hardenability up to 60HRC and thus excellent wear and bluntness resistance. 440C stainless steel is mostly used in the production of bearings, medical, surgical, and dental instruments and cutting tools.
Material No
1.4441
X2CrNiMo18-5-3
ASTM
ISO 5832-1
ASTM F138
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
Precipitation Hardening Steels : Instrument Grade
Click on the alloy details to view extended information. We have the following implant grade austenitic stainless steels available.
630 stainless steel is a precipitation hardenable ESR stainless steel with high toughness and good corrosion resistance similar to 304 but with much better resistance to stress-corrosion cracking. 630 stainless steel is well adapted for mirror finishing and therefore medical, surgical and dental instruments.
Material No
1.4472
X4CrNiMnMo21-9-4
ASTM
ISO 5832-9
ASTM F1586
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
Custom® 465 stainless steel is a premium martensitic age-hardenable steel capable of a UTS over 250ksi in the H900 condition. It has good fracture strength and pitting resisance. Custom® 465 stainless steel is used for the production of endoscopic instruments for surgery and for dental instruments, needles, needle wires and other instruments with small diameters.
Material No
1.4441
X2CrNiMo18-5-3
ASTM
ISO 5832-1
ASTM F138
Magnetic
NO
Hardness
ASTM
Machineability
Satisfactory
XM16 Custom® 455 stainless steel is a precipitation hardening ESR martensitic stainless steel know for its simplicity to use and ease of forming. In the age-hardened condition (requiring only a single-stage aging process) it has both high strength and toughness making XM16 Custom® 455 stainless steel ideal for medical instrumentation.
