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EN 1.4849 Stainless Steel vs. EN 1.4749 Stainless Steel

Both EN 1.4849 stainless steel and EN 1.4749 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 30 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 EN 1.4849 stainless steel and the bottom bar is EN 1.4749 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
16
Fatigue Strength, MPa 120
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 480
600
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 620
450
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 42
13
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 7.1
2.5
Embodied Energy, MJ/kg 100
36
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 20
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
80
Resilience: Unit (Modulus of Resilience), kJ/m3 160
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 11
22

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.15 to 0.2
Chromium (Cr), % 18 to 21
26 to 29
Iron (Fe), % 32.6 to 43.5
68.5 to 73.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0
Niobium (Nb), % 1.2 to 1.8
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015