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EN 1.4376 Stainless Steel vs. EN 1.4378 Stainless Steel

Both EN 1.4376 stainless steel and EN 1.4378 stainless steel are iron alloys. They have a moderately high 93% 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 1.4376 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
14 to 34
Fatigue Strength, MPa 420
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 530
510 to 680
Tensile Strength: Ultimate (UTS), MPa 750
760 to 1130
Tensile Strength: Yield (Proof), MPa 450
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 930
910
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 37
39
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 21
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 520
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
28 to 41
Strength to Weight: Bending, points 24
24 to 31
Thermal Shock Resistance, points 17
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 17 to 20.5
17 to 19
Iron (Fe), % 65.5 to 76
61.2 to 69
Manganese (Mn), % 5.0 to 8.0
11.5 to 14.5
Nickel (Ni), % 2.0 to 4.5
2.3 to 3.7
Nitrogen (N), % 0 to 0.3
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030