We are a modern manufacturer, providing high quality 410 Stainless Steel Wire, Titanium Disc Target, M42 High Speed Tool Steel Bar, serving customers in every corner of the world. We need to enhance the international competitiveness of our company and develop into an international industrial group that is synchronized with the world and even leading. For customers' various problems in product purchase and use, we can provide timely and effective pre-sales, in-sales and after-sales services to maximize customer utility and satisfaction. We will sincerely cooperate with you with first-class products and service! Welcome to post your samples and color ring to us.
4340 round bar
Refer to corresponding steel
GB steel code: 40CrNiMoA, DIN steel code: 36CrNiMo4, DIN material code: 1.6511, French NF standard 40NCD3, Japanese JIS standard SNCM439, British BS standard 816M40, American AISI/ASTM4340, American UNS standard 4340
Has high strength, toughness and excellent hardenability and anti - overheating stability, but high white point sensitivity, temper brittleness. Poor weldability, before welding need to be preheated by high temperature, after welding need to eliminate stress, after adjusting the use of quality.
Production
In addition, 4340 steel is a wear-resistant material with exceptionally good wear resistance, impact resistance and impact resistance, as well as excellent atmospheric corrosion resistance. The alloy also has very good ductility, especially in the annealing state, it can be easily molded and machined.
Mainly because of its toughness, steel 4340 can be used in heavy machinery, especially in the manufacture of transmission parts such as heavy duty shafts, gears and axles.
Production
Other uses include military industry - for ground vehicles and military aircraft, commercial aircraft industry (landing gear), various automotive uses, rocket engine casings, pressure vessels, fasteners, ordnance hardware, etc.
Production
Product name:
4340 40CRNIMO round rod, 40CRNIMO alloy structural steel is also a kind of gear steel.
The standard is listed below
USA ASTM4340
China 40CRNIMO
Germany 1.6580 steel bar
Hot rolled bar
Forged steel bar
Our advantage:
(1) Professional: We are a professional steel manufacturer and seller. We have our own core factory and provide you with mature and quality products based on many years of steel forging experience.
(2) Thoughtful service: We have a professional international trade team, which is responsible for docking international trade affairs and tracking the production progress of orders. Timely and thoughtful docking service
(3) High product quality: Strictly adopt raw materials that comply with product standards and pay attention to product details.
(4) Complete product specifications to meet the needs of different customers.
Our Service
Customer satisfaction is what we have always pursued. It is our eternal belief to insist on growing with customers. Our company has a large number of skilled technicians and experienced after-sales service team, which can provide users with Forged Steel 1.2714 1.2738 1.2311 1.2312 4340 4130 Alloy Steel Forged Round Bars and timely after-sales service. A high starting point, high quality, and high reputation are our eternal pursuit. We feel we are going to be your greatest choice.