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AISI 334 Stainless Steel vs. EN 1.4347 Stainless Steel

Both AISI 334 stainless steel and EN 1.4347 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 27 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 AISI 334 stainless steel and the bottom bar is EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23
Fatigue Strength, MPa 150
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 540
660
Tensile Strength: Yield (Proof), MPa 190
480

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 490
450
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
16
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
3.1
Embodied Energy, MJ/kg 59
44
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 19
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 96
570
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 18 to 20
25 to 27
Iron (Fe), % 55.7 to 62.7
62.2 to 69.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 19 to 21
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0.15 to 0.6
0