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AISI 321H Stainless Steel vs. EN 1.8527 Steel

Both AISI 321H stainless steel and EN 1.8527 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 321H stainless steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 200
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 400
550
Tensile Strength: Ultimate (UTS), MPa 580
900
Tensile Strength: Yield (Proof), MPa 230
800

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
490
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.7
Embodied Energy, MJ/kg 46
23
Embodied Water, L/kg 140
66

Common Calculations

PREN (Pitting Resistance) 18
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 12
26

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.040 to 0.12
Chromium (Cr), % 17 to 19
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65.4 to 74
93.2 to 95.1
Manganese (Mn), % 0 to 2.0
0.85 to 1.2
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0 to 0.7
0