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EN 1.4310 Stainless Steel vs. S40930 Stainless Steel

Both EN 1.4310 stainless steel and S40930 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
23
Fatigue Strength, MPa 240 to 330
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 510 to 550
270
Tensile Strength: Ultimate (UTS), MPa 730 to 900
430
Tensile Strength: Yield (Proof), MPa 260 to 570
190

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 910
710
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.3
Embodied Energy, MJ/kg 42
32
Embodied Water, L/kg 140
94

Common Calculations

PREN (Pitting Resistance) 20
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
80
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
16
Strength to Weight: Bending, points 23 to 27
16
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 15 to 18
16

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 19
10.5 to 11.7
Iron (Fe), % 66.4 to 78
84.7 to 89.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0 to 0.1
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2