ASTM A182 Grade F911 (K91061) Steel
Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength690MPa
Yield Strength500MPa
Brinell Hardness220HB
Maximum Service Temperature600°C
Chemical Composition
C
0.090 to 0.13%
CR
8.5 to 9.5%
NI
0 to 0.4%
MO
0.9 to 1.1%
MN
0.3 to 0.6%
SI
0.1 to 0.5%
N
0.040 to 0.090%
P
0 to 0.020%
S
0 to 0.010%
NB
0.060 to 0.1%
TI
0 to 0.010%
V
0.18 to 0.25%
AL
0 to 0.020%
W
0.9 to 1.1%
B
0.00030 to 0.0060%
ZR
0 to 0.010%
FE
86.2 to 88.9%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
20 %
Fatigue Strength
350 MPa
Poisson's Ratio
0.28
Reduction in Area
46 %
Shear Modulus
76 GPa
Shear Strength
430 MPa
Tensile Strength: Ultimate (UTS)
690 MPa
Tensile Strength: Yield (Proof)
500 MPa
Hardness
Brinell Hardness
220
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Maximum Temperature: Mechanical
600 °C
Melting Completion (Liquidus)
1480 °C
Melting Onset (Solidus)
1440 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
26 W/m-K
Thermal Diffusivity
6.9 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
9.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
10 % IACS
Calculated
PREN (Pitting Resistance)
15
Resilience: Ultimate (Unit Rupture Work)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
650 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
9.5 % 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
90 L/kg
Embodied Water
90 L/kg 11 gal/lb
Registered Designations & Aliases
ASTM A182 Grade F911 (K91061) SteelK91061
Standards
ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service