T8 Steel belongs to carbon tool steel. Hardened plastic mold steel. After quenching and tempering, it has higher hardness and wear resistance. But, it has a low hot hardness, poor hardenability, easy deformation, plasticity and low strength.
T8 Steel Chemical Composition
T8 Steel Mechanical Properties
|Elongation at fracture|
|Reduction in cross section on fracture|
|As-Heat-Treated Condition||Brinell hardness (HBW)|
|564 (≥)||191 (≥)||32||21||12||Solution and Aging, Annealing, Ausaging, Q+T||341|
T8 Physical properties
J / kgK
|129 (≥)||823 (≥)||23||42||31|
|Creep strain limit|
|Creep rupture strength|
|Modulus of elasticity|
|973||572||558||Solution and Aging, Annealing, Ausaging, Q+T,etc||433|
Features and Application
T8 steel is used for various tools that need high hardness and wear resistance. Such as simple-shaped dies and punches, metal cutting knives. Drilling tools, woodworking cutters, countersinks, axes, chisels, longitudinal hands Use saws. Fitter assembly tools, rivet dies. It is not easy to make tools that can withstand large impacts.
|Product type||Products||Dimension||Processes||Deliver Status|
|Plates/Sheets||Plates/Sheets||0.08-200mm(T)*W*L||Forging, hot rolling, and cold rolling||Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting|
|Steel Bar||Round Bar, Flat Bar, Square Bar||Φ8-1200mm*L||Forging, hot rolling and cold rolling, Cast||Black, Rough Turning, Shot Blasting,|
|Coil/Strip||Steel Coil/Steel Strip||0.03-16.0x1200mm||Cold-Rolled&Hot-Rolled||Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting|
|Pipes/Tubes||Seamless Pipes/Tubes, Welded Pipes/Tubes||OD:6-219mm x WT:0.5-20.0mm||Hot extrusion, Cold Drawn, Welded||Annealed, Solution and Aging, Q+T, ACID-WASHED|
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