Grades | Stainless Steels | B 388 TM22

SAE B 388 TM22 ( Precipitation-Hardening )

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B 388 TM22 Application:Thermostat Metal Sheet and Strip

Chemical composition(mass fraction)(wt.%) of the B 388 TM22
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

Mechanical properties of grade B 388 TM22

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
511 (≥) 556 (≥) 43 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical properties of grade B 388 TM22

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
115 (≥) 297 (≥) 24 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
325 833 863 - - -

B 388 TM22 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED