AISI440B Stainless Steels

AISI440B - Specification & Application

AISI440B

Chemical composition(wt.%) of AISI440B grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75 0.95
Si - 1.00
Mn - 1.00
P - 0.04
S - 0.03
Cr 16.00 18.00
Mo - 0.75

AISI440B - Detail

AISI440B

Mechanical properties of grade AISI440B

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
343 (≥) 874 (≥) 23 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade AISI440B

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
983 (≥) 489 (≥) 22 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 341
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
499 393 559

Equivalent Products

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