Materials

Our pins are manufactured in high quality materials ,42CrMo, 40Cr


Heat& Surface Treatment

Tempering, High Frequency Quenching Depth 1.5 to 2.5mm

reaching a surface hardness HRC= 58/62, high strength and toughness, wear strength


Lubrication

Unique oil channel, oiling smooth.
Flange Welding
Girth Automatic welding machine is used for flange welding, controlling the welding beam, fusion depth and hardness by adjusting Voltage, Turning speed and Displacement factor etc.