instrument and implant grade metal alloys

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Stainless Steel 420C (1.4034) Medical Alloy

A low-sulphur steel, 420C is well adapted for the production of turned parts such as bolts and nuts, screws, valves, nozzles, faucet and pump parts.

It 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.


Medical instruments
Surgical instruments
Dental instruments

Typical Chemical Composition

C Si Mn P S Cr Mo Ni V Nb N Fe
Min 0.43 12.50
Max 0.50 1.00 1.00 0.040 0.015 14.50 Balance

Typical Mechanical Properties

Condition Tensile (Rm)
Yield (R0.2%)
A4d (%)
Annealed 800 max 245HB Max
Quenched & Tempered 800-1000 650 10 55


ISO 7153-1 (D)
EN X46Cr13
NF S94-0990
UNS S42000


Stainless Steel 420C (1.4034) Medical Alloy is available in wire and round bar from 0.40mm diameter up to 30.00mm diameter

Disclaimer : Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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Metal Weight Calculator

Metal Alloy



NOTE: Weights calculated are theoretical. Manufacturing tolerances should be allowed for and results adjusted accordingly.