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EN 1.4981 Stainless Steel vs. EN 1.4848 Stainless Steel

Both EN 1.4981 stainless steel and EN 1.4848 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4981 stainless steel and the bottom bar is EN 1.4848 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
9.0
Fatigue Strength, MPa 210
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 610
510
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 520
440
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
4.4
Embodied Energy, MJ/kg 67
63
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 22
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
38
Resilience: Unit (Modulus of Resilience), kJ/m3 150
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.3
3.9
Thermal Shock Resistance, points 14
11

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.3 to 0.5
Chromium (Cr), % 15.5 to 17.5
24 to 27
Iron (Fe), % 59.6 to 66.7
45.4 to 55.7
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.6 to 2.0
0 to 0.5
Nickel (Ni), % 15.5 to 17.5
19 to 22
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030