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ASTM A372 Grade M Steel vs. EN 1.4922 Stainless Steel

Both ASTM A372 grade M steel and EN 1.4922 stainless steel are iron alloys. They have 89% 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 ASTM A372 grade M steel and the bottom bar is EN 1.4922 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
16
Fatigue Strength, MPa 450 to 520
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 510 to 570
470
Tensile Strength: Ultimate (UTS), MPa 810 to 910
770
Tensile Strength: Yield (Proof), MPa 660 to 770
550

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 450
720
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
24
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
7.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 27
40
Embodied Water, L/kg 61
100

Common Calculations

PREN (Pitting Resistance) 3.4
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1580
770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29 to 32
27
Strength to Weight: Bending, points 24 to 27
24
Thermal Diffusivity, mm2/s 12
6.5
Thermal Shock Resistance, points 24 to 27
27

Alloy Composition

Carbon (C), % 0 to 0.23
0.17 to 0.23
Chromium (Cr), % 1.5 to 2.0
10 to 12.5
Iron (Fe), % 92.5 to 95.1
83.5 to 88.2
Manganese (Mn), % 0.2 to 0.4
0.3 to 1.0
Molybdenum (Mo), % 0.4 to 0.6
0.8 to 1.2
Nickel (Ni), % 2.8 to 3.9
0.3 to 0.8
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Vanadium (V), % 0 to 0.080
0.2 to 0.35