EN 1.4422 (X1CrNiMoCu12-5-2) Stainless Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength850MPa
Yield Strength630MPa
Brinell HardnessUnknown
Maximum Service Temperature760°C
Chemical Composition
C
0 to 0.020%
CR
11 to 13%
NI
4.0 to 5.0%
MO
1.3 to 1.8%
MN
0 to 2.0%
SI
0 to 0.5%
N
0 to 0.020%
P
0 to 0.040%
S
0 to 0.0030%
CU
0.2 to 0.8%
FE
76.8 to 83.5%
Mechanical
A - Min. elongation at fracture (%)
15
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
17 %
Fatigue Strength
380 MPa
Impact Strength: V-Notched Charpy
110 J
KV - Impact energy (J) (+QT)
+20° 100
+QT
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa)
550
Rm - Tensile strength (MPa)
750-950
Shear Modulus
76 GPa
Shear Strength
520 MPa
Tensile Strength: Ultimate (UTS)
850 MPa
Tensile Strength: Yield (Proof)
630 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
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Maximum Temperature: Corrosion
390 °C
Maximum Temperature: Mechanical
760 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.3 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
31 points
Electrical
Electrical Conductivity: Equal Volume
2.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS
Calculated
PREN (Pitting Resistance)
17
Resilience: Ultimate (Unit Rupture Work)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1000 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
30 points
Strength to Weight: Bending
25 points
Environmental
Base Metal Price
11 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
37 MJ/kg
Embodied Energy
37 MJ/kg 16 x 10 3 BTU/lb
Embodied Water
110 L/kg
Embodied Water
110 L/kg 13 gal/lb
Registered Designations & Aliases
1.44221.4422EN 1.4422 (X1CrNiMoCu12-5-2) Stainless SteelX1CrNiMoCu12-5-2X1CrNiMoCu12-5-2
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 10088-2 EN 10088-2: 2005 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes