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EN 1.4541 Stainless Steel vs. ASTM A372 Grade M Steel

Both EN 1.4541 stainless steel and ASTM A372 grade M steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4541 stainless steel and the bottom bar is ASTM A372 grade M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
240 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
18 to 21
Fatigue Strength, MPa 190 to 330
450 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 410 to 550
510 to 570
Tensile Strength: Ultimate (UTS), MPa 600 to 900
810 to 910
Tensile Strength: Yield (Proof), MPa 220 to 570
660 to 770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
450
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
2.0
Embodied Energy, MJ/kg 46
27
Embodied Water, L/kg 140
61

Common Calculations

PREN (Pitting Resistance) 18
3.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
160
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
1140 to 1580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
29 to 32
Strength to Weight: Bending, points 20 to 27
24 to 27
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 14 to 20
24 to 27

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.23
Chromium (Cr), % 17 to 19
1.5 to 2.0
Iron (Fe), % 65.2 to 74
92.5 to 95.1
Manganese (Mn), % 0 to 2.0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 9.0 to 12
2.8 to 3.9
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.7
0
Vanadium (V), % 0
0 to 0.080

Comparable Variants