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45KHN2MFA - k2425 - 45hnmf pipe, round, rod

45KHN2MFA - k2425 - 45hnmf pipe, round, rod

The supplier Avlob offers to buy a pipe, a circle, a rod of mark 45ХН2МФА, k2425 at a bargain price. The supplier guarantees the timely delivery of products to any specified address. Regular customers can take advantage of discount discounts. The price is the best in this segment of rental. We invite you to partner cooperation.

Technical specifications

Steel structural alloyed chromium-nickel-molybdenum-vanadium. This steel is difficult to weld, is sensitive to the formation of flokens, is not prone to temper brittleness. Hardness after annealing (GOST 4543−71): HB 10 -1 = 229 MPa. Hardness of hot-rolled bar (GOST 10702−78): HB 10 -1 = 269 MPa. The supplier Avlob offers to buy a pipe, a circle, a rod of mark 45ХН2МФА, k2425 at an affordable price today. The best price from the supplier.

Application

Torsion shafts, gearboxes and other loaded parts, working with twisting re-variable loads and experiencing dynamic loads.

Percent composition, GOST 4543−71

Fe C Si Mn Ni S P Cr Mo V Cu
basis 0.42 — 0.5 0.17 — 0.37 0.5 — 0.8 1.3 — 1.8 ≤0.025 ≤0.025 0.8 — 1.1 0.2 — 0.3 0.1 — 0.18 ≤0.3

Mechanical properties (temperature 20 ° C)

Assortment GOST s in s T d 5 y KCU Heat treatment
- - MPa MPa % % kJ / m 2 -
The rod, 4543−71 1420 1275 7th 35 390 Tempering 860 ° C, oil.
  1. sв — Short-term strength limit
  2. sT — Proportionality limit (yield stress for permanent deformation)
  3. d5 — Elongation at break
  4. y — Relative contraction
  5. KCU — Impact strength

Physical properties

t ° С
 E 10 — 5 a 10 6 l C R 10 9
Grad N / mm 2 1 / Grad W / (m · deg) J / (kg · deg) Ohm · m
20 2.16   34   300
200 1.97 11.6 33 500 460
400 1.76 12.7 31 540 677
600 1.52 13.7 29   993
800 1.28 11.9 26th  
  • E — Modulus of elasticity of the first kind
  • a — Coefficient of temperature (linear) expansion
  • l — Coefficient of thermal conductivity (heat capacity of the material)
  • C is the specific heat
  • R is the electrical resistivity

Foreign analogues

  1. Bulgaria (BDS): 45ChN2MFA
  2. Poland (PN): 45HNMF

Delivery, price

Buy a pipe, a circle, bar 45HN2MFA brand, k2425 at an affordable price from the supplier Avgob today. The price is formed on the basis of European production standards. Supplier Avlob offers to buy a pipe, a circle, rods 45HN2MFA, k2425 at the optimal price in bulk or at retail.

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