Material properties bearing steel GCr15 52100 SUJ1 SUJ2 SUJ3

Bale:

1): Apply oil on the surface to prevent steel bars from rusting.

2): Iron bar bundled and packaged.

3): Bale weight from 2 tons to 3 tons.

4): Two or three tags will be attached to each bundle. Generally, a label is attached to one end of each bar and the label includes the following: description of the goods, heat number, steel grade, size, NR, WT, date and origin.

Of course, everything depends on the customer's requirements.

Both ends of each bar must be cut.

Must go through ladle melting and vacuum degassing.

The hotsign must be displayed on each bar.

Surface Condition: The surface of the hot rolled square/round bar should be free from cracks, scars and wrinkles that would affect the use of the product. If the above defects exist, they should be removed.

The mill inspection certificate shall show the chemical composition and guarantee that the chemical composition is within the limits specified in the contract.

Our company was established in April 2009, specializing in domestic and foreign steel trade technical services. In March 2016, a finishing line production line including cold drawing, annealing, normalizing, tempering treatment, peeling, fine grinding, chamfering, etc. was built, equipped with complete experimental equipment and testing equipment to ensure stable product quality. Utilize our strong production capacity to continuously meet the individualized and specialized requirements of customers.

  Factory View Lathe

QT cold drawn

Polishing off

Our products are sold to Europe, America, Middle East, Southeast Asia and other countries, all over the world.

4140 steel bar is mainly used in the production of high-strength stud bolts, screw rods, wind power bolts, prestressed anchor bolts, post-stressed anchor bolts, steel tie rods, tie rods, tie rods, tie rods, etc. Crankshaft, quill shaft, linear shaft, pump shaft, rotor shaft, sensor shaft, spline shaft, drive shaft, mandrel, drive shaft, screw, etc. CNC machine tools, precision CNC machine tools, etc. Thimble and ejector rod.

As a professional manufacturer and supplier of steel bars in China with a history of more than 20 years, we have complete production and processing facilities, advanced testing equipment and a large number of steel bars in stock, which can provide good quality, favorable price, short delivery time, personalized Customized 4140 rebar. Welcome new and old customers to inquire about technical problems and needs.