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EN 1.8958 Steel vs. AISI 317LMN Stainless Steel

Both EN 1.8958 steel and AISI 317LMN stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.8958 steel and the bottom bar is AISI 317LMN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
45
Fatigue Strength, MPa 150
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 270
430
Tensile Strength: Ultimate (UTS), MPa 430
620
Tensile Strength: Yield (Proof), MPa 220
270

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
1020
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.5
4.8
Embodied Energy, MJ/kg 19
65
Embodied Water, L/kg 50
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
230
Resilience: Unit (Modulus of Resilience), kJ/m3 130
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 12
3.8
Thermal Shock Resistance, points 13
14

Alloy Composition

Carbon (C), % 0 to 0.16
0 to 0.030
Chromium (Cr), % 0.35 to 0.85
17 to 20
Copper (Cu), % 0.2 to 0.6
0
Iron (Fe), % 96.5 to 99.3
54.4 to 65.4
Manganese (Mn), % 0.15 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.7
13.5 to 17.5
Nitrogen (N), % 0 to 0.010
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.45
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030