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S21904 Stainless Steel vs. EN 1.3967 Stainless Steel

Both S21904 stainless steel and EN 1.3967 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S21904 stainless steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17 to 51
22
Fatigue Strength, MPa 380 to 550
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
690
Tensile Strength: Yield (Proof), MPa 390 to 910
350

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 980
1070
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
4.8
Embodied Energy, MJ/kg 43
66
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 25
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 36
24
Strength to Weight: Bending, points 23 to 29
22
Thermal Shock Resistance, points 15 to 21
15

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 19 to 21.5
20 to 21.5
Iron (Fe), % 59.5 to 67.4
50.3 to 57.8
Manganese (Mn), % 8.0 to 10
4.0 to 6.0
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 5.5 to 7.5
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0.15 to 0.4
0.2 to 0.35
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010