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EN 1.4742 Stainless Steel vs. ASTM A356 Grade 5

Both EN 1.4742 stainless steel and ASTM A356 grade 5 are iron alloys. They have 81% 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 1.4742 stainless steel and the bottom bar is ASTM A356 grade 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
25
Fatigue Strength, MPa 180
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 600
550
Tensile Strength: Yield (Proof), MPa 300
310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
420
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 19
49
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.6
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 32
20
Embodied Water, L/kg 130
49

Common Calculations

PREN (Pitting Resistance) 18
2.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 5.1
13
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.25
Chromium (Cr), % 17 to 19
0.4 to 0.7
Iron (Fe), % 77.2 to 81.6
97.1 to 99.2
Manganese (Mn), % 0 to 1.0
0 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.7 to 1.4
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030