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EN 1.4508 Stainless Steel vs. ASTM A356 Grade 6

Both EN 1.4508 stainless steel and ASTM A356 grade 6 are iron alloys. They have 68% of their average alloy composition in common. There are 30 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 EN 1.4508 stainless steel and the bottom bar is ASTM A356 grade 6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 210
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 570
550
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.6
Embodied Energy, MJ/kg 55
21
Embodied Water, L/kg 160
53

Common Calculations

PREN (Pitting Resistance) 32
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 17
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 18 to 20
1.0 to 1.5
Iron (Fe), % 61.2 to 69.9
96.2 to 98.1
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 3.0 to 3.5
0.45 to 0.65
Nickel (Ni), % 9.0 to 12
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030