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EN 1.4122 Stainless Steel vs. S15700 Stainless Steel

Both EN 1.4122 stainless steel and S15700 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 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 1.4122 stainless steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
1.1 to 29
Fatigue Strength, MPa 260 to 360
370 to 770
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 480 to 520
770 to 1070
Tensile Strength: Ultimate (UTS), MPa 790 to 850
1180 to 1890
Tensile Strength: Yield (Proof), MPa 450 to 630
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
400
Maximum Temperature: Mechanical, °C 870
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.4
Embodied Energy, MJ/kg 33
47
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 20
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
640 to 4660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
42 to 67
Strength to Weight: Bending, points 25 to 26
32 to 43
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 28 to 30
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.33 to 0.45
0 to 0.090
Chromium (Cr), % 15.5 to 17.5
14 to 16
Iron (Fe), % 77.2 to 83.4
69.6 to 76.8
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.3
2.0 to 3.0
Nickel (Ni), % 0 to 1.0
6.5 to 7.7
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030

Comparable Variants