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EN 1.4646 Stainless Steel vs. EN 1.4841 Stainless Steel

Both EN 1.4646 stainless steel and EN 1.4841 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 75% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
32
Fatigue Strength, MPa 340
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 500
430
Tensile Strength: Ultimate (UTS), MPa 750
650
Tensile Strength: Yield (Proof), MPa 430
260

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 910
1150
Melting Completion (Liquidus), °C 1390
1380
Melting Onset (Solidus), °C 1340
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 41
62
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 23
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
170
Resilience: Unit (Modulus of Resilience), kJ/m3 460
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
21
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0.020 to 0.1
0 to 0.2
Chromium (Cr), % 17 to 19
24 to 26
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
47.1 to 55.5
Manganese (Mn), % 10.5 to 12.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
19 to 22
Nitrogen (N), % 0.2 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.050
0 to 0.045
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.015