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EN 1.4612 Stainless Steel vs. EN 1.7380 Steel

Both EN 1.4612 stainless steel and EN 1.7380 steel are iron alloys. They have 77% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4612 stainless steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
19 to 20
Fatigue Strength, MPa 860 to 950
200 to 230
Impact Strength: V-Notched Charpy, J 11 to 22
31 to 35
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 1010 to 1110
330 to 350
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
540 to 550
Tensile Strength: Yield (Proof), MPa 1570 to 1730
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 790
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.8
Embodied Energy, MJ/kg 50
23
Embodied Water, L/kg 140
59

Common Calculations

PREN (Pitting Resistance) 19
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
87 to 98
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 60 to 65
19 to 20
Strength to Weight: Bending, points 40 to 43
19
Thermal Shock Resistance, points 58 to 63
15 to 16

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0
Carbon (C), % 0 to 0.015
0.080 to 0.14
Chromium (Cr), % 11 to 12.5
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 71.5 to 75.5
94.6 to 96.6
Manganese (Mn), % 0 to 0.1
0.4 to 0.8
Molybdenum (Mo), % 1.8 to 2.3
0.9 to 1.1
Nickel (Ni), % 10.2 to 11.3
0
Nitrogen (N), % 0 to 0.010
0 to 0.012
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0.2 to 0.5
0

Comparable Variants