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S64512 Stainless Steel vs. EN 1.7703 Steel

Both S64512 stainless steel and EN 1.7703 steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 540
320 to 340
Impact Strength: V-Notched Charpy, J 47
46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 700
420 to 430
Tensile Strength: Ultimate (UTS), MPa 1140
670 to 690
Tensile Strength: Yield (Proof), MPa 890
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
2.5
Embodied Energy, MJ/kg 47
35
Embodied Water, L/kg 110
61

Common Calculations

PREN (Pitting Resistance) 18
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 31
22
Thermal Diffusivity, mm2/s 7.5
11
Thermal Shock Resistance, points 42
19 to 20

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.11 to 0.15
Chromium (Cr), % 11 to 12.5
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 80.6 to 84.7
94.6 to 96.4
Manganese (Mn), % 0.5 to 0.9
0.3 to 0.6
Molybdenum (Mo), % 1.5 to 2.0
0.9 to 1.1
Nickel (Ni), % 2.0 to 3.0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0.010 to 0.050
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0.25 to 0.35