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S31803 Stainless Steel vs. S46910 Stainless Steel

Both S31803 stainless steel and S46910 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 30 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 S31803 stainless steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
2.2 to 11
Fatigue Strength, MPa 370
250 to 1020
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 27
29 to 63
Shear Modulus, GPa 80
76
Shear Strength, MPa 460
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 710
680 to 2470
Tensile Strength: Yield (Proof), MPa 500
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 430
540
Maximum Temperature: Mechanical, °C 1060
810
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
4.1
Embodied Energy, MJ/kg 49
55
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 34
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 630
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24 to 86
Strength to Weight: Bending, points 23
22 to 51
Thermal Shock Resistance, points 20
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 21 to 23
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 63.7 to 71.9
65 to 76
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
3.0 to 5.0
Nickel (Ni), % 4.5 to 6.5
8.0 to 10
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2