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AISI 334 Stainless Steel vs. EN 1.4020 Stainless Steel

Both AISI 334 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 334 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
13 to 34
Fatigue Strength, MPa 150
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 360
510 to 680
Tensile Strength: Ultimate (UTS), MPa 540
770 to 1130
Tensile Strength: Yield (Proof), MPa 190
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 1000
890
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.1
2.5
Embodied Energy, MJ/kg 59
37
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 19
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 96
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
28 to 41
Strength to Weight: Bending, points 19
25 to 32
Thermal Shock Resistance, points 12
16 to 23

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 18 to 20
16.5 to 19
Iron (Fe), % 55.7 to 62.7
62.8 to 71.8
Manganese (Mn), % 0 to 1.0
11 to 14
Nickel (Ni), % 19 to 21
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0