MakeItFrom.com
Menu (ESC)

AISI 317 Stainless Steel vs. EN 1.7779 Steel

Both AISI 317 stainless steel and EN 1.7779 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 35 to 55
16
Fatigue Strength, MPa 250 to 330
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 420 to 470
500
Tensile Strength: Ultimate (UTS), MPa 580 to 710
810
Tensile Strength: Yield (Proof), MPa 250 to 420
660

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 590
470
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.8
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 160
64

Common Calculations

PREN (Pitting Resistance) 31
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
29
Strength to Weight: Bending, points 20 to 22
25
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 12 to 15
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 18 to 20
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 58 to 68
93.8 to 95.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 3.0 to 4.0
0.5 to 0.6
Nickel (Ni), % 11 to 15
0 to 0.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.45 to 0.55