Today, there is an inquiry about 4140 steel from Turkey. During the communication with the customer, I talked about some characteristics of 4140. I was often asked if the 4140 steel is a material. Now I explain to you today, 4140 steel is native to the American standard STM 4140 alloy structural steel, and belongs to ultra-high strength steel, has high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and resistance to multiple impacts after quenching and tempering, low-temperature Good impact toughness; 4140 steel is mainly used for large machinery gears and large and medium plastic molds. Delivery generally has two states: one is hot rolled black skin delivery, and the other is pre-hard delivery.

Therefore, Otai special steel can provide mold steel, alloy steel, and special steel with quality assurance, to ensure that you are satisfied. We also have export standard testing, reasonable price to let you save 30%, each piece of steel has been strictly tested, welcome inquiry.