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EN 1.7379 Steel vs. EN 1.4849 Stainless Steel

Both EN 1.7379 steel and EN 1.4849 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7379 steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
4.5
Fatigue Strength, MPa 320
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 670
480
Tensile Strength: Yield (Proof), MPa 460
250

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 460
1020
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
42
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.8
7.1
Embodied Energy, MJ/kg 23
100
Embodied Water, L/kg 59
200

Common Calculations

PREN (Pitting Resistance) 5.7
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
18
Resilience: Unit (Modulus of Resilience), kJ/m3 550
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0.13 to 0.2
0.3 to 0.5
Chromium (Cr), % 2.0 to 2.5
18 to 21
Iron (Fe), % 94.5 to 96.5
32.6 to 43.5
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.2
0 to 0.5
Nickel (Ni), % 0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030