MakeItFrom.com
Menu (ESC)

EN 1.4958 Stainless Steel vs. ASTM A372 Grade M Steel

Both EN 1.4958 stainless steel and ASTM A372 grade M steel are iron alloys. They have 51% 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 1.4958 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, % 40
18 to 21
Fatigue Strength, MPa 170
450 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
510 to 570
Tensile Strength: Ultimate (UTS), MPa 630
810 to 910
Tensile Strength: Yield (Proof), MPa 190
660 to 770

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
450
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
5.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
2.0
Embodied Energy, MJ/kg 75
27
Embodied Water, L/kg 200
61

Common Calculations

PREN (Pitting Resistance) 21
3.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
160
Resilience: Unit (Modulus of Resilience), kJ/m3 95
1140 to 1580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
29 to 32
Strength to Weight: Bending, points 20
24 to 27
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 15
24 to 27

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0 to 0.23
Chromium (Cr), % 19 to 22
1.5 to 2.0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 41.1 to 50.6
92.5 to 95.1
Manganese (Mn), % 0 to 1.5
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 30 to 32.5
2.8 to 3.9
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.2 to 0.5
0
Vanadium (V), % 0
0 to 0.080