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EN 1.4308 Stainless Steel vs. EN 1.4112 Stainless Steel

Both EN 1.4308 stainless steel and EN 1.4112 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 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 EN 1.4308 stainless steel and the bottom bar is EN 1.4112 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
20
Fatigue Strength, MPa 160
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 510
750
Tensile Strength: Yield (Proof), MPa 200
430

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
400
Maximum Temperature: Mechanical, °C 960
910
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 43
37
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 19
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 100
480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 11
26

Alloy Composition

Carbon (C), % 0 to 0.070
0.85 to 1.0
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 65.9 to 74
76.6 to 81.2
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.070 to 0.12