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EN 1.4057 Stainless Steel vs. EN 1.4982 Stainless Steel

Both EN 1.4057 stainless steel and EN 1.4982 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 1.4057 stainless steel and the bottom bar is EN 1.4982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
28
Fatigue Strength, MPa 320 to 430
420
Impact Strength: V-Notched Charpy, J 16 to 21
57
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 520 to 580
490
Tensile Strength: Ultimate (UTS), MPa 840 to 980
750
Tensile Strength: Yield (Proof), MPa 530 to 790
570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
540
Maximum Temperature: Mechanical, °C 850
860
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
4.9
Embodied Energy, MJ/kg 32
71
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 16
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30 to 35
27
Strength to Weight: Bending, points 26 to 28
23
Thermal Diffusivity, mm2/s 6.7
3.4
Thermal Shock Resistance, points 30 to 35
17

Alloy Composition

Boron (B), % 0
0.0030 to 0.0090
Carbon (C), % 0.12 to 0.22
0.070 to 0.13
Chromium (Cr), % 15 to 17
14 to 16
Iron (Fe), % 77.7 to 83.4
61.8 to 69.7
Manganese (Mn), % 0 to 1.5
5.5 to 7.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 1.5 to 2.5
9.0 to 11
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.15 to 0.4