4145H Rough Turned Alloy AISI Hollow Forged Steel Round Bars

4145H RoughTurned Alloy AISI Standard Hollow Bar Hot Forged Steel Round Bars

Specifications:

High strength, hardenability, good toughness, small deformation in quenching, high temperature creep strength and lasting
strength.It is used for manufacturing forgings with higher strength and larger quenched and tempered cross section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, and also for drilling pipe joint and fishing tool for oil deep Wells below 2000m.

Product Processing

Production Inspection

Our heat treatment center with complete product testing equipment, for instance: the scanning electron micro sconezz(SEM).the transmission electron microscope(TEM)the material testing machine. the large-type metallurgical microscope,the endurance testing machine,the IAS-4 image analyzer, the American ARL direct- reading spectrometer, the American the electric ICP emission spectrometer, the American LECO infrared carbon sulfur analyzer, the hydrogen analyzer, the oxygen and nitrogen analyzer,the Swiss end harden ability tester, the German Zeiss inverted microscope, the Japanese CARTON stereo microscope, the 500J impact testing machine, the 500N hydraulic universal tester, the water immersion flaw detector, the radio element detector and so on.