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38KHN3MFA - 35nicrmov12-5 - 1.6959 pipe, round, rod

38KHN3MFA - 35nicrmov12-5 - 1.6959 pipe, round, rod

Supplier Avlob offers to buy a pipe, a circle, a rod of grade 38HN3MFA, 35nicrmov12−5 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 not used for welded structures, is sensitive to the formation of floccenes, is not prone to temper brittleness. Hardness after annealing (GOST 4543−71): HB 10 -1 = 269 MPa. Supplier Avlob offers to buy a pipe, a circle, a rod of grade 38HN3MFA, 35nicrmov12−5 at an affordable price today. The best price from the supplier.

Application

The most important are heavily loaded parts operating at temperatures up to 400 ° C. According to CT-CKBA 010−2004, the critical temperature of brittleness is -40 ° C.

Percent composition, GOST 4543−71

Fe C Si Mn Ni S P Cr Mo V Cu
basis 0.33 — 0.4 0.17 — 0.37 0.25 — 0.5 3 — 3.5 ≤0.025 ≤0.025 1.2 — 1.5 0.35 — 0.45 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 -
Rod, Ø 25 4543−71 1180 1080 12 50 780 Tempering 850 ° C, oil, tempering 600 ° C, air,
  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 r C R 10 9
Degree MPa 1 / Grad W / (m · deg) kg / m 3 J / (kg · deg) Ohm · m
20 2.1   34 7900   300
200 1.97 12.5 34   508 365
400 1.84 13.3 32   538 516
600 1.7 13.8 thirty   601 750
800 1.37 10.7 28   697 1080
  1. E — Modulus of elasticity of the first kind
  2. a — Coefficient of temperature (linear) expansion [1 / degree]
  3. l — Coefficient of thermal conductivity (heat capacity of the material)
  4. r — specific gravity
  5. C is the specific heat
  6. R is the electrical resistivity

Foreign analogues

  1. Germany: (DIN, WNr): 34NiCrMoV14−5, 35NiCrMoV12−5

Delivery, price

Buy a pipe, a circle, a rod of grade 38HN3MFA, 35nicrmov12−5 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, bars of brand 38HN3MFA at the best price either wholesale or retail.