STS XM27 Stainless Steels to D 3749 (2008)

STS XM27 - Specification & Application

  • D 3749 (2008) - Special alloys steel for chemical plant

Special alloys steel for chemical plant

Chemical composition(wt.%) of STS XM27 grade: to D 3749 (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.01
Si - 0.40
Mn - 0.40
P - 0.030
S - 0.020
Cr 25.00 27.00
Ni - 0.50
Mo 0.75 1.50
N - 0.015
Cu - 0.20
Ni+Cu - 0.50

STS XM27 - Detail

Special alloys steel for chemical plant

Mechanical properties of grade STS XM27 D 3749 (2008)

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)
845 (≥) 856 (≥) 31 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade STS XM27 D 3749 (2008)

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
836 (≥) 452 (≥) 44 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
759 866 679

Equivalent Products

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