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EN 1.4923 Stainless Steel vs. ASTM A372 Grade G Steel

Both EN 1.4923 stainless steel and ASTM A372 grade G steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4923 stainless steel and the bottom bar is ASTM A372 grade G steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
20 to 22
Fatigue Strength, MPa 300 to 440
310 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 540 to 590
410 to 570
Tensile Strength: Ultimate (UTS), MPa 870 to 980
650 to 910
Tensile Strength: Yield (Proof), MPa 470 to 780
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
23 to 32
Strength to Weight: Bending, points 26 to 28
21 to 27
Thermal Diffusivity, mm2/s 6.5
13
Thermal Shock Resistance, points 30 to 34
19 to 27

Alloy Composition

Carbon (C), % 0.18 to 0.24
0.25 to 0.35
Chromium (Cr), % 11 to 12.5
0.4 to 0.65
Iron (Fe), % 83.5 to 87.1
97.4 to 98.4
Manganese (Mn), % 0.4 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 0.8 to 1.2
0.15 to 0.25
Nickel (Ni), % 0.3 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.25 to 0.35
0

Comparable Variants