B 744 2219 Stainless Steels to B 744/B 744M (2011)

B 744 2219 - Specification & Application

  • B 744/B 744M (2011) - Aluminum Alloy Sheet for Corrugated Aluminum Pipe

Aluminum Alloy Sheet for Corrugated Aluminum Pipe

Chemical composition(wt.%) of B 744 2219 grade: to B 744/B 744M (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.22
Si - 0.40
Mn - 0.75
P - -
S - -
Ni - 0.75
Cr - 12.50
Al - -
Cu - -
Ti - -
Fe - remaining
N - -
Mo - 1.00
W - 1.00
V - 0.22

B 744 2219 - Detail

Aluminum Alloy Sheet for Corrugated Aluminum Pipe

Mechanical properties of grade B 744 2219 B 744/B 744M (2011)

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)
828 (≥) 859 (≥) 34 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical properties of grade B 744 2219 B 744/B 744M (2011)

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
544 (≥) 616 (≥) 32 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
456 112 646
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