EN 1.4951 (X6CrNi25-20) Stainless Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength630MPa
Yield Strength220MPa
Brinell Hardness192HB
Maximum Service Temperature1100°C
Mechanical
A - Min. elongation at fracture (%) (+A)
35
+A
Elastic (Young's, Tensile) Modulus
200 GPa
Impact Strength: V-Notched Charpy
98 J
KV - Impact energy (J) longitud., (+A)
+20° 100
+A
KV - Impact energy (J) transverse, (+A)
+20° 60
+A
R p0.2 0.2% proof strength (MPa) (+A)
200-220
+A
Rm - Tensile strength (MPa) (+A)
510-750
+A
Tensile Strength: Ultimate (UTS)
630 MPa
Tensile Strength: Yield (Proof)
220 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 (HB): (+A)
192
+A
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1410 °C
Melting Onset (Solidus)
1360 °C
Specific Heat Capacity
480 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
14 points
Electrical
Electrical Conductivity: Equal Volume
2.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.4 % IACS
Calculated
PREN (Pitting Resistance)
26
Resilience: Ultimate (Unit Rupture Work)
190 MJ/m 3
Resilience: Unit (Modulus of Resilience)
130 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
25 % relative
Embodied Carbon
4.3 kg CO 2 /kg material
Embodied Energy
61 MJ/kg 26 x 10 3 BTU/lb
Embodied Water
190 L/kg 23 gal/lb
Registered Designations & Aliases
1.49511.4951EN 1.4951 (X6CrNi25-20) Stainless SteelX6CrNi25-20X6CrNi25-20
Standards
EN 10028-7 EN 10028-7: 2007 Flat products made of steels for pressure purposes. Stainless steels
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 10269 EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
EN 10272 EN 10272: 2007 Stainless steel bars for pressure purposes
EN 10272 EN 10272: Stainless steel bars for pressure purposes
EN 10272 EN 10272: Stainless steel bars for pressure purposes EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10302 EN 10302: 2008 Creep resisting steels, nickel and cobalt alloys