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EN 1.4982 Stainless Steel vs. EN 1.7221 Steel

Both EN 1.4982 stainless steel and EN 1.7221 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11 to 17
Fatigue Strength, MPa 420
290 to 390
Impact Strength: V-Notched Charpy, J 57
20 to 38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 750
650 to 780
Tensile Strength: Yield (Proof), MPa 570
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 860
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.5
Embodied Energy, MJ/kg 71
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 830
490 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23 to 27
Strength to Weight: Bending, points 23
21 to 24
Thermal Diffusivity, mm2/s 3.4
12
Thermal Shock Resistance, points 17
19 to 23

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0.22 to 0.29
Chromium (Cr), % 14 to 16
0.8 to 1.2
Iron (Fe), % 61.8 to 69.7
96.8 to 98.3
Manganese (Mn), % 5.5 to 7.0
0.5 to 0.8
Molybdenum (Mo), % 0.8 to 1.2
0.15 to 0.3
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.4
0