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EN 1.4646 Stainless Steel vs. EN 1.4961 Stainless Steel

Both EN 1.4646 stainless steel and EN 1.4961 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 84% 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 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
39
Fatigue Strength, MPa 340
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 500
420
Tensile Strength: Ultimate (UTS), MPa 750
610
Tensile Strength: Yield (Proof), MPa 430
220

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 910
890
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.0
Embodied Energy, MJ/kg 41
57
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 23
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
190
Resilience: Unit (Modulus of Resilience), kJ/m3 460
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 24
20
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0.020 to 0.1
0.040 to 0.1
Chromium (Cr), % 17 to 19
15 to 17
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
65.6 to 72.3
Manganese (Mn), % 10.5 to 12.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015