18KH2N4VA - 18CrNiMo7-6, 17CrNiMo6 - round, rod, forging
|Mark||Analogue||W. Nr.||Aisi Uns||En||Order|
|18Х2Н4ВА||18CrNiMo7-6||Delivery from the stock, in stock|
The company Electrocentury-steel offers to buy rod, circle, forged pieces at prices from the manufacturer of high-quality low-carbon alloy steels 18KH2N4VA, 18CrNiMo7−6 or 17CrNiMo6. The price is from the manufacturer. Supplier guarantees performance of its product range delivery and delivery of products to the address set by the buyer.
The chemical composition
Steel of this class are distinguished by a high percentage of tungsten and Nickel (see table). In Russia and the CIS steel production 18KH2N4VA conducted in accordance with the requirements of GOST 4543.
|The content in steel, %||0,14…0,20||0,17…0,37||Of 0.25 to 0.55||1,35 1,65…||0,8…1.2||4.0 to 4.4…||To 0.3|
Metallurgical impurities in the steel composition are also present phosphorus and sulfur (up to 0.025% for each element).
As the closest foreign analogues of steel 18KH2N4VA are steel 18CrNiMo7−6 (1.6587) and 17CrNiMo6. They are manufactured in Europe according to Euronorm EN 10204. For example, the steel 18CrNiMo7−6 has the following chemical composition:
|The content in steel, %||0,12 0,18…||0,15 0,40…||0,25…0,35||1,40 1,70…||To 0.02||1,50 1,80…||To 0.30|
Tungsten in the composition of the steel is missing, and the amount of sulfur and phosphorus can reach 0,035%.
To by bar, round, forgings of alloyed structural steels 18KH2N4VA, 18CrNiMo7−6, 17CrNiMo6, the company offers Electrocentury-steel. The supplier guarantees the best price from the manufacturer of the products. Ensured timely delivery to the point specified by the client.
Properties and applications
These steels are subjected to various types of heat treatment including carburizing, hardening and improvement. After the holidays physico-mechanical properties of materials are as follows:
- Tensile strength, MPa — 1050;
- Yield stress, MPa 800;
- Elongation, % of 12;
- The relative narrowing, % — 50;
- Hardness after annealing, NV — no more than 270;
- Impact strength, kJ/m2 — 780…1175 (smaller values correspond to the rolled rental).
Consider the steel after heat treatment used for production of parts operated at high vibration loads, which are accompanied by high differential stresses and temperatures (up to 4500 C). Steel lends itself to hot volumetric stamping, but has a low weldability.
The company Electrocentury-steel offers to buy bulk rolled and forgings are made of structural alloy steel grades 18KH2N4VA, 18CrNiMo7−6 or 17CrNiMo6. The supplier guarantees economical price manufacturer products. Delivery can be made in any item specified by the user.