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S21460 Stainless Steel vs. AISI 304 Stainless Steel

Both S21460 stainless steel and AISI 304 stainless steel are iron alloys. They have 86% 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 S21460 stainless steel and the bottom bar is AISI 304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
8.0 to 43
Fatigue Strength, MPa 390
210 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 580
400 to 690
Tensile Strength: Ultimate (UTS), MPa 830
580 to 1180
Tensile Strength: Yield (Proof), MPa 430
230 to 860

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 920
710
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14
15
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
86 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 460
140 to 1870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21 to 42
Strength to Weight: Bending, points 26
20 to 32
Thermal Shock Resistance, points 17
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 17 to 19
18 to 20
Iron (Fe), % 57.3 to 63.7
66.5 to 74
Manganese (Mn), % 14 to 16
0 to 2.0
Nickel (Ni), % 5.0 to 6.0
8.0 to 10.5
Nitrogen (N), % 0.35 to 0.5
0 to 0.1
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030