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AISI 317 Stainless Steel vs. EN 1.4872 Stainless Steel

Both AISI 317 stainless steel and EN 1.4872 stainless steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
28
Fatigue Strength, MPa 250 to 330
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 420 to 470
620
Tensile Strength: Ultimate (UTS), MPa 580 to 710
950
Tensile Strength: Yield (Proof), MPa 250 to 420
560

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 590
1150
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
17
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.3
3.3
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 31
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
230
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 20 to 25
35
Strength to Weight: Bending, points 20 to 22
28
Thermal Diffusivity, mm2/s 4.1
3.9
Thermal Shock Resistance, points 12 to 15
21

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.3
Chromium (Cr), % 18 to 20
24 to 26
Iron (Fe), % 58 to 68
54.2 to 61.6
Manganese (Mn), % 0 to 2.0
8.0 to 10
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
6.0 to 8.0
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015