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EN 1.4841 Stainless Steel vs. ASTM A356 Grade 8

Both EN 1.4841 stainless steel and ASTM A356 grade 8 are iron alloys. They have 54% of their average alloy composition in common. There are 31 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 EN 1.4841 stainless steel and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 32
21
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 650
630
Tensile Strength: Yield (Proof), MPa 260
390

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 1150
440
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
38
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.0
Embodied Energy, MJ/kg 62
26
Embodied Water, L/kg 190
55

Common Calculations

PREN (Pitting Resistance) 26
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.2
Chromium (Cr), % 24 to 26
1.0 to 1.5
Iron (Fe), % 47.1 to 55.5
95.4 to 97.4
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.5 to 2.5
0.2 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15