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S45503 Stainless Steel vs. ASTM A372 Grade M Steel

Both S45503 stainless steel and ASTM A372 grade M steel are iron alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S45503 stainless steel and the bottom bar is ASTM A372 grade M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 410 to 500
240 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.6 to 6.8
18 to 21
Fatigue Strength, MPa 710 to 800
450 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 940 to 1070
510 to 570
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
810 to 910
Tensile Strength: Yield (Proof), MPa 1430 to 1700
660 to 770

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
450
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
2.0
Embodied Energy, MJ/kg 48
27
Embodied Water, L/kg 120
61

Common Calculations

PREN (Pitting Resistance) 13
3.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 57 to 65
29 to 32
Strength to Weight: Bending, points 39 to 43
24 to 27
Thermal Shock Resistance, points 56 to 64
24 to 27

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.23
Chromium (Cr), % 11 to 12.5
1.5 to 2.0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
92.5 to 95.1
Manganese (Mn), % 0 to 0.5
0.2 to 0.4
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.6
Nickel (Ni), % 7.5 to 9.5
2.8 to 3.9
Niobium (Nb), % 0.1 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.015
Silicon (Si), % 0 to 0.2
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.0 to 1.4
0
Vanadium (V), % 0
0 to 0.080

Comparable Variants