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EN 1.4742 Stainless Steel vs. EN 1.4849 Stainless Steel

Both EN 1.4742 stainless steel and EN 1.4849 stainless steel are iron alloys. They have 58% 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 1.4742 stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
4.5
Fatigue Strength, MPa 180
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 600
480
Tensile Strength: Yield (Proof), MPa 300
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 1000
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 19
12
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
42
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.2
7.1
Embodied Energy, MJ/kg 32
100
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
18
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 5.1
3.2
Thermal Shock Resistance, points 21
11

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0.3 to 0.5
Chromium (Cr), % 17 to 19
18 to 21
Iron (Fe), % 77.2 to 81.6
32.6 to 43.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.7 to 1.4
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030