UGI 4404FGX3 Drawn Bar

UGI 4404FGX3 Drawn Bar introduction

UGI 4404FGX3 is a molybdenum austenitic stainless steel belonging to the 316L family. Its low carbon content provides good corrosion resistance on welded areas. In addition, UGI 4404FGX3 has good machinability properties.


UGI 4404FGX3 has a mainly austenitic microstructure with traces of residual ferrite (1 to 3%).


UGI 4404FGX3 is an austenitic grade and therefore practically non-magnetic after annealing treatment (relative permeability close to 1). Slight ferromagnetic behaviour can however be observed due to the presence of residual ferrite and/or strain-induced martensite after cold working the metal (for example after drawing).

Equivalent material: EN 1.4401, EN X5CrNiMo17-12-2, EN 1.4404, EN X2CrNiMo17-12-2, UNS S31600, UNS S31603, JIS SUS316, JIS SUS316L, ISO 4401-316-00-I, ISO X5CrNiMo17-12-2, ISO 4404-316-03-I, ISO X2CrNiMo17-12-2, AISI 316, AISI 316L, AFNOR Z7CND 17-11-02, AFNOR Z3CND 17-11-02, DIN 1.4401, DIN 1.4404, DIN X5CrNiMo17-12-2, DIN X2CrNiMo17-12-2, BS 316S11, BS 316S31, SS 2347, SS 2348

UGI 4404FGX3 Drawn Bar general

Property Value
Density Density of 7.9 g/cm³

UGI 4404FGX3 Drawn Bar thermal

Property Value Comment
Coefficient of thermal expansion Coefficient of thermal expansion of 0.000016 1/K 20 to 100°C
- Coefficient of thermal expansion of 0.0000165 1/K 20 to 200°C
- Coefficient of thermal expansion of 0.000017 1/K 20 to 300°C
Specific heat capacity Specific heat capacity of 500 J/(kg·K) -
Thermal conductivity Thermal conductivity of 15 W/(m·K) -

UGI 4404FGX3 Drawn Bar chemical

Property Value Comment
Carbon Carbon of 0.03 max.
Chromium Chromium of 16.5 - 18.5 % -
Copper Copper of 0.6000000000000001 max.
Manganese Manganese of 2.0 max.
Molybdenum Molybdenum of 2.0 - 2.5 % -
Nickel Nickel of 11.0 - 13.0 % -
Phosphorus Phosphorus of 0.04 max.
Silicon Silicon of 1.0 max.
Sulfur Sulfur of 0.01 - 0.02 % -

UGI 4404FGX3 Drawn Bar electrical

Property Value
Electrical resistivity Electrical resistivity of 7.5e-07 Ω·m

UGI 4404FGX3 Drawn Bar mechanical

Property Temperature Value Comment
Charpy impact energy, V-notch - Charpy impact energy, V-notch of 100 J min.
Elastic modulus 20 °C Elastic modulus of 200 GPa -
- 100 °C Elastic modulus of 194 GPa -
- 200 °C Elastic modulus of 186 GPa -
- 300 °C Elastic modulus of 179 GPa -
Elongation - Elongation of 30 % min.
Hardness, Brinell - Hardness, Brinell of 150.0 - 220.0 [-] -
Reduction of area - Reduction of area of 60.0 % min.
Tensile strength - Tensile strength of 550.0 - 800.0 MPa -

UGI 4404FGX3 Drawn Bar application

Property - -
Application areas
Corrosion properties
General machinability
Heat Treatment
Hot forming
Other Product Shape Finishing Tolerance Dimensions (mm)
Rolled descaled k13 Ø 13 to 130
Turned 10+11 Ø 22 to 130
Ground 7+8+9+options Ø 2 to 130
Drawn 9 Ø 2 to 30
Black bar +/- 1% of ø Ø 23 to 135
Hexagonal Drawn 10+11 Hex 3 to 55
Rolled - Ø 5 to 32
Rolled pickled - Ø 5 to 32
Hexagonal Rolled pickled - Hex 12.4 to 28
Billet Square As rolled or as-heat-treated - 50 to 120

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