MakeItFrom.com
Menu (ESC)

EN 1.4371 Stainless Steel vs. EN 1.6957 Steel

Both EN 1.4371 stainless steel and EN 1.6957 steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 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 1.4371 stainless steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45 to 51
18
Fatigue Strength, MPa 290 to 340
530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 540
570
Tensile Strength: Ultimate (UTS), MPa 740 to 750
930
Tensile Strength: Yield (Proof), MPa 320 to 340
780

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
450
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.1
Embodied Energy, MJ/kg 38
29
Embodied Water, L/kg 140
60

Common Calculations

PREN (Pitting Resistance) 20
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
160
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
33
Strength to Weight: Bending, points 24
27
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 16
27

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.32
Chromium (Cr), % 16 to 17.5
1.2 to 1.8
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
92.7 to 94.7
Manganese (Mn), % 6.0 to 8.0
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 3.5 to 5.5
3.4 to 4.0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.015
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15