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EN 1.6958 Steel vs. AISI 310H Stainless Steel

Both EN 1.6958 steel and AISI 310H stainless steel are iron alloys. They have 59% 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 AISI 310H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
40
Fatigue Strength, MPa 700
200
Poisson's Ratio 0.29
0.27
Reduction in Area, % 56
51
Shear Modulus, GPa 73
79
Shear Strength, MPa 700
400
Tensile Strength: Ultimate (UTS), MPa 1140
580
Tensile Strength: Yield (Proof), MPa 1070
230

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.0
4.3
Embodied Energy, MJ/kg 27
61
Embodied Water, L/kg 60
190

Common Calculations

PREN (Pitting Resistance) 2.9
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
190
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
21
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 13
3.9
Thermal Shock Resistance, points 39
13

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0.040 to 0.1
Chromium (Cr), % 1.2 to 1.7
24 to 26
Iron (Fe), % 92.6 to 94.5
49.1 to 57
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 0.35 to 0.55
0
Nickel (Ni), % 3.3 to 3.8
19 to 22
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0.15 to 0.3
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0 to 0.12
0