A387 F5 / Grade 5 Structural Steel to ASTM A 387/A 387M – 06a

A387 F5 / Grade 5 - Specification & Application

  • ASTM A 387/A 387M – 06a - This standard is issued under the fixed designation A 387/A 387M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

Pressure Vessel Plates, Alloy Steel, Chromium Molybdenum

Chemical composition(wt.%) of A387 F5 / Grade 5 grade: to ASTM A 387/A 387M – 06a

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Mn 0.30 0.60
Si - 0.50
P - 0.030
S - 0.50
Cr 4.00 6.00
Mo 0.45 0.65

A387 F5 / Grade 5 - Detail

A387 F5 & ASTM A387 Grade 5 Pressure Vessel Plates, Alloy Steel, Chromium Molybdenum

Mechanical properties of grade A387 F5 / Grade 5 ASTM A 387/A 387M – 06a

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)
712 (≥) 658 (≥) 14 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade A387 F5 / Grade 5 ASTM A 387/A 387M – 06a

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
618 (≥) 141 (≥) 21 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
786 177 468
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