Sandvik 3R64

Sandvik 3R64

Sandvik 3R64 introduction

Sandvik 3R64 is an austenitic stainless steel with a high molybdenum content. The grade is characterized by improved resistance to general and pitting corrosion in comparison with ASTM 316L.

More technical information and charts that are relevant to the materials corrosion, mechanical and physical performance are displayed in the figures on the right side of the material page.

Datasheet URL:
Sandvik 3R64

Datasheet updated 2019-08-26 09:12 (supersedes all previous editions)

Equivalent material: UNS S31703, ASTM TP317L, EN 1.4438, SS 2367

Sandvik 3R64 general

Property Temperature Value Comment
Density 23.0 °C Density of 8 g/cm³ -
Recycled Content - Recycled Content of 82.1 % Average recycled content

Sandvik 3R64 thermal

Property Temperature Value Comment
Coefficient of thermal expansion 100.0 °C Coefficient of thermal expansion of 1.65E-5 1/K for 30°C to the mentioned temperature
- 200.0 °C Coefficient of thermal expansion of 1.7E-5 1/K for 30°C to the mentioned temperature
- 300.0 °C Coefficient of thermal expansion of 1.75E-5 1/K for 30°C to the mentioned temperature
- 400.0 °C Coefficient of thermal expansion of 1.8E-5 1/K for 30°C to the mentioned temperature
- 500.0 °C Coefficient of thermal expansion of 1.8E-5 1/K for 30°C to the mentioned temperature
- 600.0 °C Coefficient of thermal expansion of 1.8E-5 1/K for 30°C to the mentioned temperature
- 700.0 °C Coefficient of thermal expansion of 1.85E-5 1/K for 30°C to the mentioned temperature
Specific heat capacity 20.0 °C Specific heat capacity of 485 J/(kg·K) -
- 100.0 °C Specific heat capacity of 500 J/(kg·K) -
- 200.0 °C Specific heat capacity of 515 J/(kg·K) -
- 300.0 °C Specific heat capacity of 525 J/(kg·K) -
- 400.0 °C Specific heat capacity of 540 J/(kg·K) -
- 500.0 °C Specific heat capacity of 555 J/(kg·K) -
- 600.0 °C Specific heat capacity of 575 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 14 W/(m·K) -
- 100.0 °C Thermal conductivity of 15 W/(m·K) -
- 200.0 °C Thermal conductivity of 17 W/(m·K) -
- 300.0 °C Thermal conductivity of 18 W/(m·K) -
- 400.0 °C Thermal conductivity of 20 W/(m·K) -
- 500.0 °C Thermal conductivity of 21 W/(m·K) -
- 600.0 °C Thermal conductivity of 23 W/(m·K) -

Sandvik 3R64 chemical

Property Value Comment
Carbon Carbon of 0.03 % max.
Chromium Chromium of 18.5 % -
Iron -
Manganese Manganese of 1.7 % -
Molybdenum Molybdenum of 3.1 % -
Nickel Nickel of 14.5 % -
Phosphorus Phosphorus of 0.03 % max.
Silicon Silicon of 0.4 % -
Sulfur Sulfur of 0.015 % max.

Sandvik 3R64 magnetic

Property - -
Application areas
Corrosion properties Formic acid,
wt-%
- Sandvik 3R64 ASTM 316
5 0.12 0.18
10 0.2 0.3
25 0.35 0.6
50 0.45 0.6
80 1 1.5
90 0.8 1.8
100 0.4 0.6

Sandvik 3R64 mechanical

Property Temperature Value Comment
Charpy impact energy -270.0 °C Charpy impact energy of 60 J EN 13445-2 (UFPV-2) and EN 10216-5
- -196.0 °C Charpy impact energy of 60 J EN 13445-2 (UFPV-2) and EN 10216-5
Elastic modulus 20.0 °C Elastic modulus of 200 GPa -
- 100.0 °C Elastic modulus of 194 GPa -
- 200.0 °C Elastic modulus of 186 GPa -
- 300.0 °C Elastic modulus of 179 GPa -
- 400.0 °C Elastic modulus of 172 GPa -
- 500.0 °C Elastic modulus of 165 GPa -
Elongation 23.0 °C Elongation of 35 % min.
Hardness, Vickers 23.0 °C Hardness, Vickers of 155 [-] -
Tensile strength 23.0 °C Tensile strength of 515 - 690 MPa -
Yield strength Rp0.1 20.0 °C Yield strength Rp0.1 of 250 MPa min.
- 50.0 °C Yield strength Rp0.1 of 221 MPa min.
- 100.0 °C Yield strength Rp0.1 of 197 MPa min.
- 150.0 °C Yield strength Rp0.1 of 180 MPa min.
- 200.0 °C Yield strength Rp0.1 of 169 MPa min.
- 250.0 °C Yield strength Rp0.1 of 161 MPa min.
- 300.0 °C Yield strength Rp0.1 of 154 MPa min.
- 350.0 °C Yield strength Rp0.1 of 148 MPa min.
- 400.0 °C Yield strength Rp0.1 of 144 MPa min.
- 450.0 °C Yield strength Rp0.1 of 140 MPa min.
- 500.0 °C Yield strength Rp0.1 of 135 MPa min.
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 220 MPa min.
- 50.0 °C Yield strength Rp0.2 of 196 MPa min.
- 100.0 °C Yield strength Rp0.2 of 172 MPa min.
- 150.0 °C Yield strength Rp0.2 of 155 MPa min.
- 200.0 °C Yield strength Rp0.2 of 144 MPa min.
- 250.0 °C Yield strength Rp0.2 of 136 MPa min.
- 300.0 °C Yield strength Rp0.2 of 129 MPa min.
- 350.0 °C Yield strength Rp0.2 of 123 MPa min.
- 400.0 °C Yield strength Rp0.2 of 119 MPa min.
- 450.0 °C Yield strength Rp0.2 of 115 MPa min.
- 500.0 °C Yield strength Rp0.2 of 110 MPa min.

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