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EN 1.4951 Stainless Steel vs. S15700 Stainless Steel

Both EN 1.4951 stainless steel and S15700 stainless steel are iron alloys. They have 76% 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 1.4951 stainless steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200 to 460
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
1.1 to 29
Fatigue Strength, MPa 190
370 to 770
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 430
770 to 1070
Tensile Strength: Ultimate (UTS), MPa 630
1180 to 1890
Tensile Strength: Yield (Proof), MPa 220
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.4
Embodied Energy, MJ/kg 61
47
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 26
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 130
640 to 4660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
42 to 67
Strength to Weight: Bending, points 21
32 to 43
Thermal Diffusivity, mm2/s 3.9
4.2
Thermal Shock Resistance, points 14
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.040 to 0.080
0 to 0.090
Chromium (Cr), % 24 to 26
14 to 16
Iron (Fe), % 49.1 to 57
69.6 to 76.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 19 to 22
6.5 to 7.7
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030