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Something about 4340 alloy steel

*What is 4340 alloy steel?

4340 Alloy Steel is an iron-based alloy containing nickel, chromium, and molybdenum. The relatively high carbon content provides this alloy with superior strength in applications where severe service conditions exist. 4340 Alloy Steel has high strength, superior toughness, and good ductility.

*Is 4340 a low alloy steel?

AISI 4340 is a low alloy steel containing nominally 0.4% C, 0.8% Cr, 0.25% Mo, and 1.8% Ni. Higher strength levels up to 150 KSI 0.2% PS may be achieved by suitable heat treatment. Often used in preference to AISI 4140 at the higher strength levels because of its better hardenability and improved CVN impact toughness.

*How hard is 4340 annealed?

AISI 4340 is stocked in the heat treated and stress-relieved condition at approximately 150,000 psi (1034 N/mm2) and in the annealed condition at HB 235 max.

*What is 4340 steel used for?

AISI 4340 alloy steel is mainly used in power transmission gears and shafts, aircraft landing gear, and other structural parts.

30crnimo8 steel data sheet–30CrNiMo8 steel is used for automotive | 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 that 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 steel data sheet)

Steel News

There are conditions for improvement in steel demand in September, but it should not be expected to be too high for the strength of demand. In the short term, more demand will be based on moderate release, and it is unlikely that a concentrated outbreak will be released. In September, the fundamental rebound of the steel market is insufficient, and the steel price will be mainly adjusted by shocks.

30crnimo8 steel composition–It is usually supplied with Q+T condition| 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 steel composition)

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%.

steel grade 30crnimo8 – It is made for forming wrought product | 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 that 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. (steel grade 30crnimo8)

Steel News

There are conditions for improvement in steel demand in September, but it should not be expected to be too high for the strength of demand. In the short term, more demand will be based on moderate release, and it is unlikely that a concentrated outbreak will be released. In September, the fundamental rebound of the steel market is insufficient, and the steel price will be mainly adjusted by shocks.

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%.

30crnimo8 steel application-for automotive and mechanical engineering | 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 that 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 steel application)

Steel News

There are conditions for improvement in steel demand in September, but it should not be expected to be too high for the strength of demand. In the short term, more demand will be based on moderate release, and it is unlikely that a concentrated outbreak will be released. In September, the fundamental rebound of the steel market is insufficient, and the steel price will be mainly adjusted by shocks.

30crnimo8 steel equivalent-It is considered a structural 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 steel 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%.

30crnimo8 steel chemical composition-Alloyed structural steel with medium hardenability | 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 that 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 steel chemical composition)

Steel News

There are conditions for improvement in steel demand in September, but it should not be expected to be too high for the strength of demand. In the short term, more demand will be based on moderate release, and it is unlikely that a concentrated outbreak will be released. In September, the fundamental rebound of the steel market is insufficient, and the steel price will be mainly adjusted by shocks.

8620 steel gears-it is a low cost steel with good carburized properties. | OTAI

What is 8620 steel

8620 steel is a high-quality Quenched and Tempered Alloy Structural steel. It belongs to the high-quality low carbon, Low alloy chromium, molybdenum, nickel case hardening steel. Oil Quenched & Tempered Hardness is 28-34 HRc. AISI 8620 steel Annealing delivery hardness less than 250HB.

Why Choose OTAI

1)All year round, Otai can guarantee 8620 bars’ 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 8620 steel, working with Uddeholm, 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 8620 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 that 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. (8620 steel gears)

Steel News

At present, nine counties and cities in Tangshan have lifted the management of regional blockade control.
The clustered epidemics in many places in China have dragged down the production and operation of the manufacturing and construction industries. In the short term, the demand for steel has been unstable, and the rise in steel prices is insufficient.
Once the social “dynamic clearing” is realized in various places, the demand for steel will be released retaliatory, the demand growth may be higher than the supply, the inventory will enter a stage of decline, and there may still be room for steel prices to rise.

8620 steel price per pound–SAE 8620 Carbon Steel Round Bar | OTAI

What is 8620 steel

8620 steel is a high-quality Quenched and Tempered Alloy Structural steel. It belongs to the high-quality low carbon, Low alloy chromium, molybdenum, and nickel case hardening steel. Oil Quenched & Tempered Hardness is 28-34 HRc. AISI 8620 steel Annealing delivery hardness less than 250HB.

Why Choose OTAI

1)All year round, Otai can guarantee 8620 bars’ 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 8620 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 8620 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 that 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. (8620 steel price per pound)

Steel News

From August 8th to August 12th, the steel index closed at 4,440 yuan/ton, up 100 yuan/ton week-on-week. According to the data of information monitoring, as of August 12, the average price of 25mm specification grade 3 rebar in 69 major markets across the country was 4,403 yuan/ton, up 25 yuan/ton from the previous week; Week-on-week rose 16 yuan/ton.

8620 steel heat treat–It can be hardened to 1500° F followed by water quench. | OTAI

What is 8620 steel

8620 steel is a high-quality Quenched and Tempered Alloy Structural steel. It belongs to the high-quality low carbon, Low alloy chromium, molybdenum, nickel case hardening steel. Oil Quenched & Tempered Hardness is 28-34 HRc. AISI 8620 steel Annealing delivery hardness less than 250HB.

Why Choose OTAI

1)All year round, Otai can guarantee 8620 bars’ 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 8620 steel, working with Uddeholm, 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 8620 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 that 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. (8620 steel heat treat)

Steel News

At present, nine counties and cities in Tangshan have lifted the management of regional blockade control.
The clustered epidemics in many places in China have dragged down the production and operation of the manufacturing and construction industries. In the short term, the demand for steel has been unstable, and the rise in steel prices is insufficient.
Once the social “dynamic clearing” is realized in various places, the demand for steel will be released retaliatory, the demand growth may be higher than the supply, the inventory will enter a stage of decline, and there may still be room for steel prices to rise.

8620 steel equivalent grade–It is still often referred to as EN362 steel | OTAI

What is 8620 steel

8620 steel is a high-quality Quenched and Tempered Alloy Structural steel. It belongs to the high-quality low carbon, Low alloy chromium, molybdenum, and nickel case hardening steel. Oil Quenched & Tempered Hardness is 28-34 HRc. AISI 8620 steel Annealing delivery hardness less than 250HB.

Why Choose OTAI

1)All year round, Otai can guarantee 8620 bars’ 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 8620 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 8620 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 that 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. (8620 steel equivalent grader)

Steel News

After the implementation of the closure and control, the operation of the Shanghai port terminal has not been affected much at present, and the main thing that will be affected is the truck operation.
Although the blockade does not close the port, the efficiency of port operations and terminal operations will be affected. It is not easy for port workers and truck drivers to enter and leave the port due to the epidemic. This leads to delays in timeliness, and it is expected that the freight will also be increased.