Product specification

Stock 3mm 6mm 8mm ASTM 4140 42CRMOA Plate alloy Steel Plate/sheet

4140 belongs to the United States brand equivalent to China 42CrMo brand of steel, this kind of steel belongs to medium hardenability steel, its carbon content in 0.33%-0.48%, tensile strength of 795 mpa, hardness of 241HB and so on, with high product rate, good comprehensive mechanical properties, good strength, good toughness, high hardenability advantages, It can be used to make steam turbine fasteners, fishing tools and so on.

Product specification

Product application

Alloy structural steel is mainly used to manufacture bridges, ships, vehicles, boilers, high-pressure vessels, oil and gas pipelines, large steel structures, etc. According to industry experience, the following are our recommended materials:

1.) Used to manufacture automobile pipes with steam turbine temperature of 540℃, steering guide ring, automobile turbine partition, recommended material 12CrMoV;

2.) It is used to manufacture various carburized or nitrided parts with small cross-section (<30mm),
simple shape, high speed, small load, wear-resistant surface, and high core strength. It is also used to manufacture low-speed and medium-loaded parts. Components. Recommended material 20Cr;

3.) Suitable for manufacturing large and medium-sized plastic molds requiring certain strength and toughness. Recommended material 42CrMo;

4.) It has high thermal strength (δb≥440MPa) and oxidation resistance, and has a certain resistance to hydrogen corrosion. It is used in petrochemical industries. Recommended material 15CrMo;

5.) Fluid transportation; used for general structure and mechanical structure; 3 precision inner diameters for hydraulic and pneumatic cylinders; used for making hydraulic equipment used in coal mines, hydraulic cylinders and plungers for truck cranes, etc.; 12Cr1MoV is recommended.

Packing And Delivery

The steel sheet will be packed in seaworthy packing such as steel strips bundles. If you have any special requests
on this, please let us know advanced. We will refer to your email kindly.

1).20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)

2).40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)

3).40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High)

Company profile

Kai Steel Co.,Ltd from Shandong Province, was founded in 2006, which is the branch company of Laiwu steel, approved establishment by Industrial and Commercial Bureau in 2010.
We specialized in wear resistant Steel Plate,weather resistant steel plate,alloy steel plate,high strength steel plate,wear resistant composite plate, tank plate, high pressure vessel plate, ship steel plate.
Our high quality materials and products are widely used in construction equipment, handling equipment, coal mining, power plant, cement plant, construction machinery, steel construction, container, ship, iron art etc.

Our advantage

In 2019, In order to meet the processing request of more customers, we have added three new machining center divisions, first one is 5000W laser machining center, which can cut and bend according to customer's size, sandblasting machining center, painting processing center, With high quality products and top after-sales service, we have won trust and support of customers from all over the world.

Customer visit

Our steel products have been exported to 60 countries and areas: Chile, Peru, Russia, Mongolia, Philippines, Egypt, Saudi Arabia, India, United States, Canada Australia and so on. Kunda, as a professional one-stop steel products supplier, we always keep the service philosophy "keep improving win-win cooperation" , the best steel quality, strict quality management, perfect after-sales service, reasonable product prices, good customer reputation, integrity of the business philosophy.