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EN 1.4911 Stainless Steel vs. ASTM A372 Grade M Steel

Both EN 1.4911 stainless steel and ASTM A372 grade M steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4911 stainless steel and the bottom bar is ASTM A372 grade M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
18 to 21
Fatigue Strength, MPa 530
450 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 640
510 to 570
Tensile Strength: Ultimate (UTS), MPa 1070
810 to 910
Tensile Strength: Yield (Proof), MPa 970
660 to 770

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 700
450
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
2.0
Embodied Energy, MJ/kg 49
27
Embodied Water, L/kg 130
61

Common Calculations

PREN (Pitting Resistance) 14
3.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
1140 to 1580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
29 to 32
Strength to Weight: Bending, points 30
24 to 27
Thermal Diffusivity, mm2/s 5.4
12
Thermal Shock Resistance, points 37
24 to 27

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.23
Chromium (Cr), % 9.8 to 11.2
1.5 to 2.0
Cobalt (Co), % 5.0 to 7.0
0
Iron (Fe), % 75.7 to 83.8
92.5 to 95.1
Manganese (Mn), % 0.3 to 1.3
0.2 to 0.4
Molybdenum (Mo), % 0.5 to 1.0
0.4 to 0.6
Nickel (Ni), % 0.2 to 1.2
2.8 to 3.9
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.1 to 0.8
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0 to 0.080