MakeItFrom.com
Menu (ESC)

EN 1.4371 Stainless Steel vs. EN 1.4557 Stainless Steel

Both EN 1.4371 stainless steel and EN 1.4557 stainless 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 (2, 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 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45 to 51
40
Fatigue Strength, MPa 290 to 340
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 740 to 750
560
Tensile Strength: Yield (Proof), MPa 320 to 340
300

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
1090
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.6
5.6
Embodied Energy, MJ/kg 38
76
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 20
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
190
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 16 to 17.5
19.5 to 20.5
Copper (Cu), % 0 to 1.0
0.5 to 1.0
Iron (Fe), % 66.7 to 74.4
49.5 to 56.3
Manganese (Mn), % 6.0 to 8.0
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 3.5 to 5.5
17.5 to 19.5
Nitrogen (N), % 0.15 to 0.25
0.18 to 0.24
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010