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EN 1.4537 Stainless Steel vs. EN 1.6570 Steel

Both EN 1.4537 stainless steel and EN 1.6570 steel are iron alloys. They have 46% 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 1.4537 stainless steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 42
11 to 17
Fatigue Strength, MPa 290
500 to 660
Impact Strength: V-Notched Charpy, J 91
40 to 48
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 700
910 to 1130
Tensile Strength: Yield (Proof), MPa 330
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.9
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.1
1.7
Embodied Energy, MJ/kg 84
23
Embodied Water, L/kg 220
56

Common Calculations

PREN (Pitting Resistance) 46
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1520 to 3010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
32 to 40
Strength to Weight: Bending, points 22
27 to 31
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 15
27 to 33

Alloy Composition

Carbon (C), % 0 to 0.020
0.28 to 0.35
Chromium (Cr), % 24 to 26
1.0 to 1.4
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
94 to 96.2
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 4.7 to 5.7
0.3 to 0.5
Nickel (Ni), % 24 to 27
1.6 to 2.1
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015