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AISI 321 Stainless Steel vs. S46910 Stainless Steel

Both AISI 321 stainless steel and S46910 stainless steel are iron alloys. They have a moderately high 92% 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 AISI 321 stainless steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 50
2.2 to 11
Fatigue Strength, MPa 220 to 270
250 to 1020
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 420 to 460
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 590 to 690
680 to 2470
Tensile Strength: Yield (Proof), MPa 220 to 350
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 480
540
Maximum Temperature: Mechanical, °C 870
810
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.1
Embodied Energy, MJ/kg 45
55
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 230
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 310
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
24 to 86
Strength to Weight: Bending, points 20 to 22
22 to 51
Thermal Shock Resistance, points 13 to 15
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 65.3 to 74
65 to 76
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 9.0 to 12
8.0 to 10
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.7
0.5 to 1.2

Comparable Variants