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EN 1.4845 Stainless Steel vs. AISI 317LM Stainless Steel

Both EN 1.4845 stainless steel and AISI 317LM stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 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 EN 1.4845 stainless steel and the bottom bar is AISI 317LM stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
46
Fatigue Strength, MPa 200
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 410
410
Tensile Strength: Ultimate (UTS), MPa 600
590
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1050
300
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.3
4.8
Embodied Energy, MJ/kg 61
65
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 26
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 24 to 26
18 to 20
Iron (Fe), % 48.2 to 57
54.4 to 64.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 19 to 22
13.5 to 17.5
Nitrogen (N), % 0 to 0.1
0 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030