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EN 1.4749 Stainless Steel vs. EN 1.6570 Steel

Both EN 1.4749 stainless steel and EN 1.6570 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 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 1.4749 stainless steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
11 to 17
Fatigue Strength, MPa 190
500 to 660
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 600
910 to 1130
Tensile Strength: Yield (Proof), MPa 320
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.9
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.7
Embodied Energy, MJ/kg 36
23
Embodied Water, L/kg 160
56

Common Calculations

PREN (Pitting Resistance) 31
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1520 to 3010
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
32 to 40
Strength to Weight: Bending, points 21
27 to 31
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 22
27 to 33

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.28 to 0.35
Chromium (Cr), % 26 to 29
1.0 to 1.4
Iron (Fe), % 68.5 to 73.7
94 to 96.2
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 0
1.6 to 2.1
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015