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EN 1.4982 Stainless Steel vs. SAE-AISI M44 Steel

Both EN 1.4982 stainless steel and SAE-AISI M44 steel are iron alloys. They have 72% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4982 stainless steel and the bottom bar is SAE-AISI M44 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 750
870 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1430
1590
Melting Onset (Solidus), °C 1390
1540
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
43
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 4.9
9.9
Embodied Energy, MJ/kg 71
150
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 19
35
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
28 to 75
Strength to Weight: Bending, points 23
24 to 46
Thermal Diffusivity, mm2/s 3.4
3.7
Thermal Shock Resistance, points 17
27 to 70

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
1.1 to 1.2
Chromium (Cr), % 14 to 16
4.0 to 4.8
Cobalt (Co), % 0
11 to 12.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.8 to 69.7
65.3 to 70.6
Manganese (Mn), % 5.5 to 7.0
0.2 to 0.4
Molybdenum (Mo), % 0.8 to 1.2
6.0 to 7.0
Nickel (Ni), % 9.0 to 11
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.3 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
5.0 to 5.8
Vanadium (V), % 0.15 to 0.4
1.9 to 2.2