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S30815 Stainless Steel vs. EN 1.4303 Stainless Steel

Both S30815 stainless steel and EN 1.4303 stainless steel are iron alloys. They have a very high 96% 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 S30815 stainless steel and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
13 to 49
Fatigue Strength, MPa 320
220 to 320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 480
420 to 540
Tensile Strength: Ultimate (UTS), MPa 680
590 to 900
Tensile Strength: Yield (Proof), MPa 350
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1020
940
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.2
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 24
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 310
140 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21 to 32
Strength to Weight: Bending, points 22
20 to 26
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15
13 to 20

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.060
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
17 to 19
Iron (Fe), % 62.8 to 68.4
64.8 to 72
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 10 to 12
11 to 13
Nitrogen (N), % 0.14 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015