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EN 1.7376 Steel vs. AISI 420 Stainless Steel

Both EN 1.7376 steel and AISI 420 stainless steel are iron alloys. They have a very high 96% 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 1.7376 steel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
8.0 to 15
Fatigue Strength, MPa 320
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 710
690 to 1720
Tensile Strength: Yield (Proof), MPa 460
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
620
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.0
Embodied Energy, MJ/kg 29
28
Embodied Water, L/kg 88
100

Common Calculations

PREN (Pitting Resistance) 12
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 560
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
25 to 62
Strength to Weight: Bending, points 23
22 to 41
Thermal Diffusivity, mm2/s 6.9
7.3
Thermal Shock Resistance, points 20
25 to 62

Alloy Composition

Carbon (C), % 0.12 to 0.19
0.15 to 0.4
Chromium (Cr), % 8.0 to 10
12 to 14
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
82.3 to 87.9
Manganese (Mn), % 0.35 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 0.4
0 to 0.75
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.050
0