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EN 1.4981 Stainless Steel vs. EN 1.4857 Stainless Steel

Both EN 1.4981 stainless steel and EN 1.4857 stainless steel are iron alloys. They have 71% 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 1.4857 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
6.7
Fatigue Strength, MPa 210
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 610
500
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 520
440
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.8
5.7
Embodied Energy, MJ/kg 67
81
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 22
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
28
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
3.4
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
31.4 to 41.7
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
33 to 36
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