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4140 bright steel round bar
Product Specification
Production process: using high-uality automotive hot rlled steel bars, continuous oller hearthfumace nomalizing heat treatment, or medium frequency quenching and tempering treatment, andthen silver bright processing.
Performance index: actual grain size 7 to 9 grade, dimensional accuracy h8 ~ h11.
Product features: Good metallographic structure and average hardness are conducive to thequality stability of subsequent high-frequency quenching. Dimensional accuracy, smooth surface andno defects can greatly improve machining efficiency and reduce material loss.
4140 bright steel round bar is one kind of bright steel bar which is produced by hot rolled steel round bar or cold drawn steel bar after peeling, grinding and polishing.
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Products
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Sizes
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Tolerance
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Steel round bar
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20mm -120mm
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H8- h11
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Material
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A36, 1020, 1045, S355JR, GR55 ,5120,5140, 4120, 4130, 4135, 4140, 4145, 4150, 8620 ,52100, S20C,S45C,SCM420,SCM440,C22,C45, 42CrMo4,42CrMoS4,SCR440C22,
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Applications
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Bearing rings, high precision security guards, drive shaft, steering gears, piston rods, shock absorbers, precision forged gears
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Delivery Condition
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Hot rolled, Cold drawn, Heat treated such as annealed, normalized, quenched&tempered
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Main Product:
Cold Drawn Steel Bar,
Bright Steel Bar,
Heat Treated Steel Bar and Tube,
Threaded Rods,
High Strength Steel Tie Rod ,
High Strength Steel Bolts
