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EN 1.3967 Stainless Steel vs. AISI 420 Stainless Steel

Both EN 1.3967 stainless steel and AISI 420 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, 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 AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
8.0 to 15
Fatigue Strength, MPa 240
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 690
690 to 1720
Tensile Strength: Yield (Proof), MPa 350
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1070
620
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.0
Embodied Energy, MJ/kg 66
28
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 36
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
25 to 62
Strength to Weight: Bending, points 22
22 to 41
Thermal Shock Resistance, points 15
25 to 62

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.4
Chromium (Cr), % 20 to 21.5
12 to 14
Iron (Fe), % 50.3 to 57.8
82.3 to 87.9
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
0 to 0.5
Nickel (Ni), % 15 to 17
0 to 0.75
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030