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EN 1.4570 Stainless Steel vs. EN 1.4841 Stainless Steel

Both EN 1.4570 stainless steel and EN 1.4841 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4570 stainless steel and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
32
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 410
430
Tensile Strength: Ultimate (UTS), MPa 610
650
Tensile Strength: Yield (Proof), MPa 210
260

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 930
1150
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.3
Embodied Energy, MJ/kg 43
62
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
170
Resilience: Unit (Modulus of Resilience), kJ/m3 110
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 17 to 19
24 to 26
Copper (Cu), % 1.4 to 1.8
0
Iron (Fe), % 65 to 73.5
47.1 to 55.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 8.0 to 10
19 to 22
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0.15 to 0.35
0 to 0.015