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Pump Shaft Quality Bars (PSQ / BSQ)

Cold worked Precision Bars is one of AamorInox's premium product lines. These super finished precision bars are processed using the ultra-modern combined lines & state of the art equipment.

Ultrasonic Inspection & Eddie Current Testing ensures that the bars are free from any internal defects. The bars are then finished using the specially designed finishing machines which ensures that the size tolerances (including the out of roundness) and surface roughness are achieved as desired.

Pump Shafts * Hydraulic / Pneumatic Piston Shafts * Valve Shafts * Cylinder Shafts * Boot Shafts * Bearing Sized Bars * Chrome Plating Quality Bars.

  • Size range
    6 mm - 100 mm (1/4 - 4 inch)
  • Size Tolerances
    j6, e6, h6, f6, f7, h7, f8, h8, h9, 1/2 of A484 etc.
  • Length
    2 meters - 7 meters (8 feet to 24 feet)
  • Ovality
    Half of diameter tolerance
  • Heat Treatment
    Annealed, Solution Annealed, Quenched and Tempered (QT), Hardened and Tempered (HT), Quenched and Double Tempered.
  • Straightness
    0.25 mm per meter max (0.0015" per feet)
  • Surface Finish
    Ra - 0.2 um / 12 RMS max
  • Chamfering
    Available in 30, 45 and 60 degree thru fully automatic both-end chamfering machine
  • Crack Test
    Eddy Current Testing Thru Circograph (from Dr. Foerster, Germany) and Magnetic Particle Inspection (MPI)
  • Ultrasonic test
    100% tested thru Digital Ultrasonic Flaw Detector, as per ASTM A-388, EN 10308 (class 1 to 4), API 6A/ISO 10423:2003-PSL 3, SEP 1920:1984 (class A, B, C), MIL STD 2154
  • Length Tolerance
    Available in special cut to length bars in tolerance -0/+10 mm (-0 +0.5 inch)
  • Grades
    AISI: 303, 304L, 316L, 316Ti, 321, 403, 410, 416, 420, 420B, 420C, 430 F, 431, 17-4ph, Duplex F51 (2205), Duplex F60

    DIN: 1.4305, 1.4307, 1.4404, 1.4571, 1.4541, 1.4006, 1.4005, 1.4021, 1.4028, 1.4034, 1.4104, 1.4057, 1.4542, 1.4462, 32205, 1.4122, 1.4435