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EN 1.4988 Stainless Steel vs. EN 1.7357 Steel

Both EN 1.4988 stainless steel and EN 1.7357 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 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 1.4988 stainless steel and the bottom bar is EN 1.7357 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 230
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 640
590
Tensile Strength: Yield (Proof), MPa 290
360

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.6
Embodied Energy, MJ/kg 89
21
Embodied Water, L/kg 150
53

Common Calculations

PREN (Pitting Resistance) 22
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14
17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.15 to 0.2
Chromium (Cr), % 15.5 to 17.5
1.0 to 1.5
Iron (Fe), % 62.1 to 69.5
96 to 97.9
Manganese (Mn), % 0 to 1.5
0.5 to 1.0
Molybdenum (Mo), % 1.1 to 1.5
0.45 to 0.65
Nickel (Ni), % 12.5 to 14.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.3 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.6 to 0.85
0