MakeItFrom.com
Menu (ESC)

S21904 Stainless Steel vs. EN 1.4658 Stainless Steel

Both S21904 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S21904 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17 to 51
28
Fatigue Strength, MPa 380 to 550
530
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 510 to 620
580
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
900
Tensile Strength: Yield (Proof), MPa 390 to 910
730

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 43
61
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 25
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
240
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 36
32
Strength to Weight: Bending, points 23 to 29
26
Thermal Diffusivity, mm2/s 3.8
4.3
Thermal Shock Resistance, points 15 to 21
24

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 19 to 21.5
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 59.5 to 67.4
50.9 to 63.7
Manganese (Mn), % 8.0 to 10
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 5.5 to 7.5
5.5 to 9.5
Nitrogen (N), % 0.15 to 0.4
0.3 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010