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AISI 420 Stainless Steel vs. EN 1.7335 Steel

Both AISI 420 stainless steel and EN 1.7335 steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
21 to 22
Fatigue Strength, MPa 220 to 670
200 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 1010
310 to 330
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
500 to 520
Tensile Strength: Yield (Proof), MPa 380 to 1310
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 620
430
Melting Completion (Liquidus), °C 1510
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
21
Embodied Water, L/kg 100
52

Common Calculations

PREN (Pitting Resistance) 14
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
210 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
18
Strength to Weight: Bending, points 22 to 41
18
Thermal Diffusivity, mm2/s 7.3
12
Thermal Shock Resistance, points 25 to 62
15

Alloy Composition

Carbon (C), % 0.15 to 0.4
0.080 to 0.18
Chromium (Cr), % 12 to 14
0.7 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82.3 to 87.9
96.4 to 98.4
Manganese (Mn), % 0 to 1.0
0.4 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.6
Nickel (Ni), % 0 to 0.75
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010