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  • Name: Quenched and Tempered Steel Bar (QT)
  • Number: 011
  • Uplaod time: 2016-12-06
  • Views : 387

QT steel bar is quenched and tempered steel bar which includes two stages of heat treatment.

Quenching and tempering achieves an extremely fine-grained and homogeneous microstructure, high strength and good ductility.

We can supply QT hot rolled steel bars, QT cold drawn steel bars, QT peeled steel bars as well as QT forged steel bars.

Commodity

Quenched and Tempered steel round bar (QT steel round bar)

Delivery  condition

Quenched and Tempered hot rolled steel round bar with QT

Quenched and Tempered cold drawn steel round bar with QT

Quenched and tempered forged steel round bar with QT

Quenched and tempered peeling or turning steel round bar with QT

Material

AISI1045 SAE1045 C45 S45C quenched and tempered steel round bar + QT

AISI5140 SAE5140 40Cr 41Cr4 40X quenched and tempered steel round bar + QT

AISI4140 SAE4140 SCM440 42CrMo4 42CrMoS4 quenched and tempered  steel round bar + QT

ASTM A193 GRADE B7 quenched and tempered steel round bar + QT

AISI4340 SAE4340 39CrNiMo SNCM439 quenched and tempered steel round bar + QT
Application

ISO grade 8.8 bolts & nuts, studs, anchor bolts

ISO grade 10.9 bolts & nuts, anchor bolts

Automotive steering knuckle, automotive engine rotor, crank shaft, spline shaft,

Machine tools shafts, gears, fasteners, worms, collar, slider, connect rod, drill rod, hardware tools, hammer rod
Diameters

20mm to 50mm for cold drawn steel round bar

20mm to 310mm for hot rolled steel bar

200mm to 800mm for forged steel round bars

20mm to 800mm for peeled or turned steel round bar

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