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30KHN2MA - 30CrNiMo8 - 1.6580 - aisi 4340 pipe, round, rod

30KHN2MA - 30CrNiMo8 - 1.6580 - aisi 4340 pipe, round, rod

Supplier Avlob offers to buy a pipe, a circle, a bar 30HN2MA, 30CrNiMo8, 1.6580, aisi 4340 or any other brand 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.

Technical specifications

Steel structural alloyed chromium-nickel-molybdenum. This steel is sensitive. to the formation of flock, According to GOST 4543−71 hardness of rolled steel from this steel after annealing HB 10 -1 = 241 N / mm 2 .

Application

Crankshafts, connecting rods, critical bolts, studs, discs, sprockets and other critical parts that operate under severe loading conditions at normal, low and elevated temperatures.

Percent composition, GOST 4543−71

C Si Mn Ni S P Cr Mo Cu
0.27 — 0.34 0.17 — 0.37 0.3 — 0.6 1.25 — 1.65 ≤0.025 ≤0.025 0.6 — 0.9 0.2 — 0.3 ≤0.3

Mechanical properties (temperature 20 ° C)

Assortment GOST s in s T d 5 y KCU Heat treatment
- - MPa MPa % % kJ / m 2 -
Bars, Ø 15 mm 4543−71 980 785 10 45 780 Tempering and Leaving
  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 of the material

t ° С E 10 — 5
Grad MPa
20 2.04
100 2.01
200 1.94
300 1.86
400 1.82
500 1.71
600 1.59

E — Modulus of elasticity of the first kind

Foreign analogues

  1. Germany (DIN, WNr): 30CrNiMo8
  2. Japan (JIS): SNCM431

Delivery, price

Buy a pipe, a circle, a rod of grade 30ХН2МА, 30CrNiMo8, 1.6580, aisi 4340 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, a rod of grade 30ХН2МА, 1.6580, aisi 4340 or from any other steel at the optimal price in bulk or at retail.