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EN 1.4729 Stainless Steel vs. EN 1.4849 Stainless Steel

Both EN 1.4729 stainless steel and EN 1.4849 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15
4.5
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 390
620
Maximum Temperature: Mechanical, °C 850
1020
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
42
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.1
7.1
Embodied Energy, MJ/kg 29
100
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 14
20
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
3.2

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.3 to 0.5
Chromium (Cr), % 12 to 14
18 to 21
Iron (Fe), % 80.4 to 86.7
32.6 to 43.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030