B 388 TM22 Stainless Steels to B 388 (2012)

B 388 TM22 - Specification & Application

  • B 388 (2012) - Thermostat Metal Sheet and Strip

Thermostat Metal Sheet and Strip

Chemical composition(wt.%) of B 388 TM22 grade: to B 388 (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.13
Si - -
Mn - -
Ni - -
Cr - 5.70
Al - 6.30
Cu - -
Ti - -
Fe - -
Mo - 2.00
Co - -
Ta - 3.00
Zr - 0.60
W - 11.00

B 388 TM22 - Detail

Thermostat Metal Sheet and Strip

Mechanical properties of grade B 388 TM22 B 388 (2012)

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)
322 (≥) 785 (≥) 11 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical properties of grade B 388 TM22 B 388 (2012)

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
869 (≥) 288 (≥) 21 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
146 345 435

Equivalent Products

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