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EN 1.4000 Stainless Steel vs. EN 1.4570 Stainless Steel

Both EN 1.4000 stainless steel and EN 1.4570 stainless steel are iron alloys. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4000 stainless steel and the bottom bar is EN 1.4570 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
40
Fatigue Strength, MPa 170
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 320
410
Tensile Strength: Ultimate (UTS), MPa 500
610
Tensile Strength: Yield (Proof), MPa 260
210

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
930
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.1
Embodied Energy, MJ/kg 27
43
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 13
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 12 to 14
17 to 19
Copper (Cu), % 0
1.4 to 1.8
Iron (Fe), % 83.9 to 88
65 to 73.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35