EN 1.4872 (X25CrMnNiN25-9-7) Stainless Steel
Other Steels
Property Overview
Density7.6g/cm³
Elastic Modulus200GPa
Tensile Strength950MPa
Yield Strength500MPa
Brinell Hardness311HB
Maximum Service Temperature1150°C
Chemical Composition
C
0.2 to 0.3%
CR
24 to 26%
NI
6.0 to 8.0%
MN
8.0 to 10%
SI
0 to 1.0%
N
0.2 to 0.4%
P
0 to 0.045%
S
0 to 0.015%
FE
54.2 to 61.6%
Mechanical
A - Min. elongation at fracture (%) (+AT)
25
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
28 %
Fatigue Strength
410 MPa
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+AT)
500
+AT
Rm - Tensile strength (MPa) (+AT)
850-1050
+AT
Shear Modulus
79 GPa
Shear Strength
620 MPa
Tensile Strength: Ultimate (UTS)
950 MPa
Tensile Strength: Yield (Proof)
560 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Brinell Hardness
270
Brinell hardness (HB): (+AT)
311
+AT
Physical
Density
7.6 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
440 °C
Maximum Temperature: Mechanical
1150 °C
Melting Completion (Liquidus)
1390 °C
Melting Onset (Solidus)
1340 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
3.9 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
2.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.7 % IACS
Calculated
PREN (Pitting Resistance)
30
Resilience: Ultimate (Unit Rupture Work)
230 MJ/m 3
Resilience: Unit (Modulus of Resilience)
780 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
26 points
Strength to Weight: Axial
35 points
Strength to Weight: Bending
28 points
Environmental
Base Metal Price
17 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 22 gal/lb
Registered Designations & Aliases
1.48721.4872EN 1.4872 (X25CrMnNiN25-9-7) Stainless SteelX25CrMnNiN25-9-7X25CrMnNiN25-9-7
Standards
EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10095 EN 10095: 1999 Heat Resisting Steels and Nickel Alloys
EN 10095 EN 10095: Heat resisting steels and nickel alloys
EN 10095 EN 10095: Heat resisting steels and nickel alloys Metallic Materials: Physical, Mechanical, and Corrosion Properties, Philip A. Schweitzer, 2003 EN 10088-1: Stainless steels - Part 1: List of stainless steels Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012