• +7 (495) 777-25-41
  • +38 (056) 785-39-23
    +38 (056) 785-39-23
  • +7 (3412) 26-03-80
  • +7(3422) 99-46-32
  • +7 (3812) 20-80-31
  • +7 (391) 205-17-79
  • +7 (8432) 07-01-39
  • +7 (383) 207-81-90
  • +49 (30) 217-888-05

18Х11МНФБ - эп291 sheet, circle, wire

18Х11МНФБ - эп291 sheet, circle, wire

Supplier Avlob offers to buy sheet, circle, wire 18H11MNFB, ep291 at an economical price. Regular customers can take advantage of discount discounts. The supplier guarantees the timely delivery of products to any specified address. The price is the best in this segment of rental.

Technical specifications

High-temperature steel of martensitic grade. Steel is difficult to weld. Scale formation temperature is 750 ° C. Specific gravity 7.85 g / cm3. Other designation 2Х11МФБН. Brinell hardness HB 10 -1 = 229 — 269 MPa.

Analog

Germany (DIN, WNr): X22CrM oV12−1

Heat treatment

Tempering 1080 — 1130 ° C, air, tempering 660−770 ° C, air.

Percent composition, GOST 5632−72

Fe C Si Mn Ni S P Cr Mo V Nb
basis 0.15 — 0.21 ≤0.6 0.6 — 1 0.5 — 1 ≤0.025 ≤0.03 10 — 11.5 0.8 — 1.1 0.2 — 0.4 0.2 — 0.45

Mechanical properties (temperature 20 ° C)

  1. sв — Short-term strength limit: 740 MPa;
  2. sT — Proportionality limit (yield strength for permanent deformation): 590−735 MPa.
  3. d5 — Elongation at break: 15%;
  4. y — Relative narrowing: 50%;
  5. KCU — Impact strength: 590 kJ / m2

Physical properties

t ° С
E 10 — 5 a 10 6 l C
Degree N / mm 2
1 / Degree W / (m · deg) J / (kg · deg)
20 2.28      
200 2.13 10.6 25.1 530
400 1.93 11.3 26.3 667
500 1.8 11.7 27.2 770
800   12.4    
  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. C is the specific heat

Application

Highly loaded parts of steam and gas turbines, which last for a long time at temperatures up to 600 ° C.

Delivery, price

Buy sheet, circle, wire 18H11MNFB, ep291 from the supplier Avlob can be at an affordable price. The price is formed on the basis of European production standards. Supplier Avlob offers to buy a corrosion-resistant sheet, a circle, wire 18H11MNFB, ep291 in an assortment at the optimal price in bulk or at retail.