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EN 1.6958 Steel vs. N08700 Stainless Steel

Both EN 1.6958 steel and N08700 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 33 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 1.6958 steel and the bottom bar is N08700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
32
Fatigue Strength, MPa 700
210
Poisson's Ratio 0.29
0.28
Reduction in Area, % 56
45
Shear Modulus, GPa 73
79
Shear Strength, MPa 700
410
Tensile Strength: Ultimate (UTS), MPa 1140
620
Tensile Strength: Yield (Proof), MPa 1070
270

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
13
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
32
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.0
6.0
Embodied Energy, MJ/kg 27
82
Embodied Water, L/kg 60
200

Common Calculations

PREN (Pitting Resistance) 2.9
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
160
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 40
21
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 13
3.5
Thermal Shock Resistance, points 39
14

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0 to 0.040
Chromium (Cr), % 1.2 to 1.7
19 to 23
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 92.6 to 94.5
42 to 52.7
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 0.35 to 0.55
4.3 to 5.0
Nickel (Ni), % 3.3 to 3.8
24 to 26
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0 to 0.12
0