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EN 1.4951 Stainless Steel vs. S30615 Stainless Steel

Both EN 1.4951 stainless steel and S30615 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4951 stainless steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
39
Fatigue Strength, MPa 190
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 430
470
Tensile Strength: Ultimate (UTS), MPa 630
690
Tensile Strength: Yield (Proof), MPa 220
310

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1410
1370
Melting Onset (Solidus), °C 1360
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.3
3.7
Embodied Energy, MJ/kg 61
53
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 26
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.9
3.7
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.040 to 0.080
0.16 to 0.24
Chromium (Cr), % 24 to 26
17 to 19.5
Iron (Fe), % 49.1 to 57
56.7 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 19 to 22
13.5 to 16
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.7
3.2 to 4.0
Sulfur (S), % 0 to 0.015
0 to 0.030