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EN 1.4547 Stainless Steel vs. EN 1.3967 Stainless Steel

Both EN 1.4547 stainless steel and EN 1.3967 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a moderately high 94% 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 EN 1.4547 stainless steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
22
Fatigue Strength, MPa 290
240
Impact Strength: V-Notched Charpy, J 90
74
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 750
690
Tensile Strength: Yield (Proof), MPa 340
350

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1090
1070
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
4.8
Embodied Energy, MJ/kg 75
66
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 45
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
130
Resilience: Unit (Modulus of Resilience), kJ/m3 290
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
20 to 21.5
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51 to 56.3
50.3 to 57.8
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 6.0 to 7.0
3.0 to 3.5
Nickel (Ni), % 17.5 to 18.5
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0.18 to 0.25
0.2 to 0.35
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010