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EN 1.4378 Stainless Steel vs. EN 1.7335 Steel

Both EN 1.4378 stainless steel and EN 1.7335 steel are iron alloys. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 34
21 to 22
Fatigue Strength, MPa 340 to 550
200 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 510 to 680
310 to 330
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
500 to 520
Tensile Strength: Yield (Proof), MPa 430 to 970
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
430
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 150
52

Common Calculations

PREN (Pitting Resistance) 23
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
210 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
18
Strength to Weight: Bending, points 24 to 31
18
Thermal Shock Resistance, points 16 to 23
15

Alloy Composition

Carbon (C), % 0 to 0.080
0.080 to 0.18
Chromium (Cr), % 17 to 19
0.7 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.2 to 69
96.4 to 98.4
Manganese (Mn), % 11.5 to 14.5
0.4 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 2.3 to 3.7
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.012
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010