Integral blade stabilizer ZYZXDYmake are from AISI 4145H MOD forging steel.

The physical properties are guaranteed one inch below the surface at normal temperature.

Heat treated by water quenching and tempering,rough machined as the drawing dimensions.

Strict UT inspection according to ASTM A-388 to guarantee high quality.

OD of Bits:6"--28"

Mechanical properties:

Yield Strength:                    110KSI Min (0.2% offset)

Tensile Strength                  140KSI Min

Elongation                          13% Min

Reduction of Area                45% Min

Impact Strength(Charpy V)   40 Min

Hardness                            285HB Min