EN 1.4901 (X10CrWMoVNb9-2) Stainless Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength740MPa
Yield Strength440MPa
Brinell HardnessUnknown
Maximum Service Temperature650°C
Chemical Composition
C
0.070 to 0.13%
CR
8.5 to 9.5%
NI
0 to 0.4%
MO
0.3 to 0.6%
MN
0.3 to 0.6%
SI
0 to 0.5%
N
0.030 to 0.070%
P
0 to 0.020%
S
0 to 0.010%
NB
0.040 to 0.090%
TI
0 to 0.010%
V
0.15 to 0.25%
AL
0 to 0.020%
W
1.5 to 2.0%
B
0.0010 to 0.0060%
ZR
0 to 0.010%
FE
85.8 to 89.1%
Mechanical
A - Min. elongation at fracture (%) longitud., (+NT)
19
+NT
A - Min. elongation at fracture (%) transverse, (+NT)
17
+NT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
19 %
Fatigue Strength
310 MPa
Impact Strength: V-Notched Charpy
38 J
KV - Impact energy (J) longitud., (+NT)
+20° 40
+NT
KV - Impact energy (J) transverse, (+NT)
+20° 27
+NT
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+NT)
440
+NT
Rm - Tensile strength (MPa) (+NT)
620-850
+NT
Shear Modulus
76 GPa
Shear Strength
460 MPa
Tensile Strength: Ultimate (UTS)
740 MPa
Tensile Strength: Yield (Proof)
490 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
260 J/g
Maximum Temperature: Corrosion
380 °C
Maximum Temperature: Mechanical
650 °C
Melting Completion (Liquidus)
1490 °C
Melting Onset (Solidus)
1450 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
26 W/m-K
Thermal Diffusivity
6.9 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
23 points
Electrical
Electrical Conductivity: Equal Volume
8.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.3 % IACS
Calculated
PREN (Pitting Resistance)
14
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
620 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
26 points
Strength to Weight: Bending
23 points
Environmental
Base Metal Price
11 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
40 MJ/kg
Embodied Energy
40 MJ/kg 17 x 10 3 BTU/lb
Embodied Water
89 L/kg
Embodied Water
89 L/kg 11 gal/lb
Registered Designations & Aliases
1.49011.4901EN 1.4901 (X10CrWMoVNb9-2) Stainless SteelX10CrWMoVNb9-2X10CrWMoVNb9-2
Standards
EN 10216-2 EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-2 EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-2 EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011 Corrosion of Stainless Steels, A. John Sedriks, 1996