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EN 1.3967 Stainless Steel vs. S31254 Stainless Steel

Both EN 1.3967 stainless steel and S31254 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3967 stainless steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
40
Fatigue Strength, MPa 240
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 690
720
Tensile Strength: Yield (Proof), MPa 350
330

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1070
1090
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.8
5.5
Embodied Energy, MJ/kg 66
74
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 36
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 310
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 20 to 21.5
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 50.3 to 57.8
51.4 to 56.3
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
6.0 to 6.5
Nickel (Ni), % 15 to 17
17.5 to 18.5
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0.18 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.010