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EN 1.4640 Stainless Steel vs. S46910 Stainless Steel

Both EN 1.4640 stainless steel and S46910 stainless steel are iron alloys. They have a moderately high 91% 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 1.4640 stainless steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
2.2 to 11
Fatigue Strength, MPa 230 to 250
250 to 1020
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 440 to 460
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 620 to 650
680 to 2470
Tensile Strength: Yield (Proof), MPa 240 to 260
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 420
540
Maximum Temperature: Mechanical, °C 930
810
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 40
55
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 20
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 23
24 to 86
Strength to Weight: Bending, points 21
22 to 51
Thermal Shock Resistance, points 14 to 15
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0.030 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 19
11 to 13
Copper (Cu), % 1.3 to 2.0
1.5 to 3.5
Iron (Fe), % 67.4 to 73.6
65 to 76
Manganese (Mn), % 1.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 5.5 to 6.9
8.0 to 10
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2

Comparable Variants