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EN 1.8527 Steel vs. AISI 317 Stainless Steel

Both EN 1.8527 steel and AISI 317 stainless steel are iron alloys. They have 69% 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 EN 1.8527 steel and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
35 to 55
Fatigue Strength, MPa 520
250 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 550
420 to 470
Tensile Strength: Ultimate (UTS), MPa 900
580 to 710
Tensile Strength: Yield (Proof), MPa 800
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 490
590
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
4.3
Embodied Energy, MJ/kg 23
59
Embodied Water, L/kg 66
160

Common Calculations

PREN (Pitting Resistance) 5.7
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
150 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
20 to 25
Strength to Weight: Bending, points 26
20 to 22
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 26
12 to 15

Alloy Composition

Carbon (C), % 0.040 to 0.12
0 to 0.080
Chromium (Cr), % 3.7 to 4.3
18 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.2 to 95.1
58 to 68
Manganese (Mn), % 0.85 to 1.2
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.6
3.0 to 4.0
Nickel (Ni), % 0
11 to 15
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.035
0 to 0.030