KHN65MV, Hastelloy c276

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general characteristics

The advantages of a pipe of the brand ХН65МВ include high resistance to corrosion in combination with plasticity and excellent workability of the material, considerable heat resistance, allowing such pipes to be used at high temperatures up to 800 ° C. Useful qualities of this type of pipe and its main operational parameters are fully determined by quantitative and Quality composition of unique raw materials. A successful and perfectly balanced combination of a whole set of different elements determines the effective operation of the XN65VM pipe in a sufficiently harsh industrial environment.

Percentage of GOST 5632−72 .

Alloy C Mo Fe Ni Cr Mn P S Si W
XH65MV ≤0,03 15−17 ≤1 60−67.5 14.5−16.5 ≤1 ≤0,015 ≤0.012 ≤0.15 3−4.5

The production of alloy ХН65ВМ requires the use of special equipment, such as induction furnaces of arc type. The physical and mechanical properties of the material are shown in the table below.


Name of the characteristic Symbol Numeric value
Limit of proportionality (yield index for deformation of residual type), MPa ST 400
Short-term strength (limit value), MPa Sv 900
Relative elongation at breaking strength,% D5 40
Relative narrowing,% Y 35


Name of the characteristic The numerical value of the parameter
Modulus of elasticity (E), MPa 2
Temperature measurement (T), ºC 20
The heat capacity (I), J / (kg * K) 386
Density, g / cm 3 8.9
Specific electrical resistance ®, Ohmmm 2 / m 1.7


Due to the high plasticity index, the pipe of the brand ХН65ВМ perfectly suits any kind of processing. Pipes can be rolled both cold and hot. The temperature with the hot working method is reduced from 1220 to 950 ° C. It should be noted that the alloy KhN65VM is very prone to the formation of work hardening during the cutting process. Therefore, this type of processing involves the use of low-speed cutting modes. Excellent weldability of pipes and their high resistance to corrosion of intercrystalline nature makes it possible to obtain quality joints without the tendency to form cracks of cold or hot type.


The KhN65VM grade pipe is widely used in the chemical industry and oil refining complex, as well as in the production of paper or cellulose. It is in demand in ammonia production, the manufacture of ethylene, propylene and other very aggressive substances. .


The successful combination of price and quality of the pipe from the alloy ХН65ВМ determined the high demand for such semi-finished products. A wide range of products, reasonable price and promptness of ordering make the purchase from us as comfortable as possible. Full compliance of all semi-finished products with regulatory acts on it and the availability of quality certificates for each type of product guarantees a long-term reliable operation of the ordered materials. The invariably high quality of semi-finished products determines the constant trust of our customers.