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EN 1.4849 Stainless Steel vs. AISI 334 Stainless Steel

Both EN 1.4849 stainless steel and AISI 334 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
34
Fatigue Strength, MPa 120
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 480
540
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 620
490
Maximum Temperature: Mechanical, °C 1020
1000
Melting Completion (Liquidus), °C 1390
1410
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 42
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.1
4.1
Embodied Energy, MJ/kg 100
59
Embodied Water, L/kg 200
170

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
96
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 18 to 21
18 to 20
Iron (Fe), % 32.6 to 43.5
55.7 to 62.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
19 to 21
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6