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B 388 TM22


B 388 TM22 material is SAE B 388 (2012) Thermostat Metal Sheet and Strip Thermostat Metal Sheet and Strip.

Chemical composition of B 388 TM22, B 388 TM22 mechanical properties, B 388 TM22 datasheet, B 388 TM22 equivalent grade, Heat treatment and temperature process of B 388 TM22.


B 388 TM22 property sheet

B 388 TM22 Spec.

SAE B 388 (2012)
Thermostat Metal Sheet and Strip

Chemical Composition of B 388 TM22

C: Max 0.13
Si: Max Min
Mn: Max Min
Ni: Max Min
Cr: Max 5.70
Al: Max 6.30
Cu: Max Min
Ti: Max Min
Fe: Max Min
Mo: Max 2.00
Co: Max Min
Ta: Max 3.00
Zr: Max 0.60
W: Max 11.00

Mechanical Properties of B 388 TM22

Rp0.2 (MPa) 843 (≥)
Rm (MPa) 535 (≥)
AKV (J) 14
A (%) 24
Z (%) 13
Hardness HBW 342

B 388 TM22 shape and dimensions

B 388 TM22 Round bar: 1mm-800mm
B 388 TM22 Square bar: 10mm * 10mm-600mm *600mm
B 388 TM22 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
B 388 TM22 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
B 388 TM22 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
B 388 TM22 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes