MakeItFrom.com
Menu (ESC)

EN 1.4542 Stainless Steel vs. S21904 Stainless Steel

Both EN 1.4542 stainless steel and S21904 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4542 stainless steel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 20
17 to 51
Fatigue Strength, MPa 370 to 640
380 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 550 to 860
510 to 620
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
700 to 1000
Tensile Strength: Yield (Proof), MPa 580 to 1300
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 860
980
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 17
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
380 to 2070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 52
25 to 36
Strength to Weight: Bending, points 26 to 37
23 to 29
Thermal Diffusivity, mm2/s 4.3
3.8
Thermal Shock Resistance, points 29 to 49
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.040
Chromium (Cr), % 15 to 17
19 to 21.5
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
59.5 to 67.4
Manganese (Mn), % 0 to 1.5
8.0 to 10
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 3.0 to 5.0
5.5 to 7.5
Niobium (Nb), % 0 to 0.45
0
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030