2022-05-10 07:47
(supersedes all previous editions)
Exera® 5R62 and Exera® 3R65 are austenitic stainless steels alloyed with molybdenum. Exera® 3R65 is a low carbon version of Exera® 5R62.
The grades are characterized by:
Exera® 5R62 and Exera® 3R65 are mainly used for medical and dental tools.
Exera® 5R62 | ≤0.06 | ≤0.7 | ≤1.8 | 17 | 11.0 | 2.3 |
Exera® 3R65 | ≤0.03 | ≤0.7 | ≤1.8 | 17 | 11.5 | 2.3 |
Surface finish | Size range, mm |
---|---|
Coated | 0.23 - 8.00 |
Bright | 0.15 - 0.80 |
Mechanically polished | 0.40 - 6.00 |
Typical mechanical properties for Exera® 5R62 and Exera® 3R65 at 20°C.
Grade | Tensile strength | Proof strength | Elongation | Hardness | |
---|---|---|---|---|---|
Rm | Rp0.2 | ||||
MPa | MPa | % | HRB | HB | |
Exera® 5R62 | ≥515 | ≥205 | ≥40 | ≤95 | ≤217 |
Exera® 3R65 | ≥485 | ≥170 | ≥40 | ≤95 | ≤217 |
Typical physical properties for annealed Exera® 5R62 and Exera® 3R65 are given below:
Grade | Density | Elastic Moduls | Mean Coefficient of Thermal Expansion | Thermal Conductivity | Specific Heat | Resistivity |
---|---|---|---|---|---|---|
g/cm3 | 103 MPa | mm/m/°C | W/m °C | J/kg °C | μΩm | |
0-100 °C | at 100 °C | 0-100 °C | 20 °C | |||
Exera® 5R62/3R65 | 8 | 193 | 16 | 16 | 500 | 0.74 |
Excellent corrosion resistance in a range of atmospheric environments and various corrosive media.
Subject to pitting and crevice corrosion in warm chloride media and to stress corrosion cracking at temperatures above around 60°C.
Considered resistant to potable water with up to approximately 1000 mg/l chlorides, at ambient temperatures, reducing to approximately 500 mg/l, at 60°C.
Material datasheets and in-depth technical information about Sandvik Bioline grades and products are available on the Sandvik website, www.sandvik.com/medical.
Disclaimer: Sandvik is not providing any products or services that are intended or may be construed to be recommending or otherwise advising on, in any manner, the design, suitability, appropriateness or effectiveness, from a medical/biological/safety perspective, of any medical material, instrument and/or medical device.