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AISI 309H Stainless Steel vs. EN 1.5521 Steel

Both AISI 309H stainless steel and EN 1.5521 steel are iron alloys. They have 63% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 309H stainless steel and the bottom bar is EN 1.5521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 21
Fatigue Strength, MPa 200
210 to 310
Poisson's Ratio 0.27
0.29
Reduction in Area, % 51
59 to 72
Shear Modulus, GPa 78
73
Shear Strength, MPa 400
310 to 360
Tensile Strength: Ultimate (UTS), MPa 580
430 to 1390
Tensile Strength: Yield (Proof), MPa 230
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 170
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 130
250 to 630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
15 to 49
Strength to Weight: Bending, points 20
16 to 35
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
13 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.040 to 0.1
0.16 to 0.2
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.1 to 66
98 to 98.9
Manganese (Mn), % 0 to 2.0
0.9 to 1.2
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025