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30KH3MF - 31CrMoV9 - 1.8519 pipe, round, rod

30KH3MF - 31CrMoV9 - 1.8519 pipe, round, rod

Supplier Avlob offers to buy a pipe, a circle, rods 30X3MF, 31CrMoV9, 1.8519 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

Structural structural steel alloy, chromium-molybdenum-vanadium. steel is subjected to nitriding, heat-resistant to 450 ° C. Steel is sensitive. to the formation of flokens, is prone to temper brittleness. Hardness after annealing (GOST 4543−71): HB 10 -1 = 229 MPa. Supplier Avlob offers to buy a pipe, a circle, rods 30X3MF, 31CrMoV9, 1.8519 at an affordable price today. The best price from the supplier.

Application

Steel is used to manufacture parts of marine diesels and other parts that must have wear resistance at high pressures.

Percent composition, GOST 4543−71

C Si Mn Ni S P Cr Mo V Cu
0.27 — 0.34 0.17 — 0.37 0.3 — 0.6 ≤0.3 ≤0.035 ≤0.035 2.3 — 2.7 0.2 — 0.3 0.06 — 0.12 ≤0.3

Mechanical properties (temperature 20 ° C)

Assortment GOST s in s T d 5 y KCU Heat treatment
- - MPa MPa % % kJ / m 2 -
Rod, Ø 25 4543−71 980 835 12 55 980 Tempering 870 ° C, oil, tempering 620 ° C, water,
  1. sв — Short-term strength limit
  2. sT — Proportionality limit (yield stress for permanent deformation)
  3. d5 — Elongation at break.
  4. KCU — Impact strength

Foreign analogues

  1. Austria (ONORM): BOHLERV350.
  2. Bulgaria (BDS): 30Ch3MF.
  3. Germany (DIN, WNr): 1.7707, 1.8519, 30CrMoV9, 31CrMoV9, 31CrMoV9V
  4. The European Union (EU): 1.7707, 30CrMoV9
  5. Italy (UNI): 31CrMoV10
  6. Poland (PN): 30H2MF
    Czech Republic (CSN): 15330

Delivery, price

Buy a pipe, a circle, 30X3MF rod, 31CrMoV9, 1.8519 at an affordable price from the supplier Avgob today. The price is formed on the basis of European production standards. The supplier Avlob offers to buy a pipe, a circle, a 30X3MF rod or any other brand at the best price either wholesale or retail.