30crnimo8 astm equivalent-4340, 1.6580 Hardened Alloy Steel| OTAI

What is 30crnimo8 steel

30crnimo8 steel is one structural steel with medium hardenability designed for heavy-duty components, characterized by high elasticity and strength properties reaching over 1560 N/mm2 at small diameters. When it is softened, the hardness reaches max. 248 HRB.

It is also characterized by its resistance to variable loads and impacts.

However, it is not good for welding and it ultimately requires additional preheating.

Why Choose OTAI

1)All year round, Otai can guarantee 30crnimo8 steel stock in different thicknesses and lengths, which can be customized.

2)After placing an order, shipment can be arranged immediately.

3)Otai is a leading China supplier of 30crnimo8 steel, working with Uddeholm, and Thyssenkrupp, with ISO9001 certified.

Customer’s story

We would like to share a real case of our customer with you. Stacy from Indonesia send us an inquiry about the 30crnimo8 steel alloy, which required a lot of specifications and a small quantity. Stacy asked many suppliers who were unwilling to cooperate and finally found us. We are the source manufacturer so we can meet the needs of customers to customize the specifications of goods. Then Stacy placed the order successfully. After receiving the goods, she said that he would seek our cooperation for a long time. (30crnimo8 astm equivalent)

Steel News

In the first half of 2022, under the circumstance of frequent uncertainties in global economic development, the economic development expectations of the major economies weakened. The World Bank lowered its global economic growth forecast for this year to 2.9% on June 7; the OECD lowered its economic forecast to 3% on June 8; the Institute of International Finance lowered its forecast to 2.3% in early May, and the IMF The (International Monetary Fund) lowered its economic forecast three times in a row in six months, the latest results will be released in July and the expected value will not exceed 3%.