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Sheet, strip 20kh3mvf - ei 415

Sheet, strip 20kh3mvf - ei 415

Vendor Avlob offers to buy a sheet, a 20x3mvf tape, ei 415 at a cost-effective 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

Steel is heat-resistant, relaxation-resistant, perlite. Another designation is EI579. Recommended application temperature up to 500−560 ° C; The temperature of intense scale formation is 600 ° C. Steel is difficult to weld. Recommended service life is from 1000 to 10000 hours. Specific gravity 7.8 g / cm 3. Brinell hardness HB 10 -1 = 269 MPa.

Heat treatment

Tempering 1030 — 1060 ° C, oil, Holiday 660 — 700 ° C.

Percent composition, GOST 20072−74

Fe C Si Mn Ni S P Cr Mo W V Cu
basis 0.15 — 0.23 0.17 — 0.37 0.25 — 0.5 ≤0.3 ≤0.025 ≤0.03 2.8 — 3.3 0.35 — 0.55 0.3 — 0.5 0.6 — 0.85 ≤0.2

Mechanical properties (temperature 20 ° C)

  1. sв — The limit of short-term strength: 730−880 MPa;
  2. sT — Proportionality limit (yield strength for permanent deformation): 620−735 MPa.
  3. d5 — Elongation at break: 11−13%;
  4. y — Relative narrowing: 32−40%;
  5. KCU — Impact strength: 400−590 kJ / m 2

Physical properties

t ° С
E 10 — 5 a 10 6 l r C R 10 9
Degree N / mm 2
1 / Degree W / (m · deg) kg / m 3 J / (kg · deg) Ohm · m
20 2.07   38.5 7800    
200 2 11.5 33.1   560 465
400 1.86 12.1 30.6 7690 650 640
600 1.77 13 29.3 7620 750 859
  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. R is the electrical resistivity.

Application

Rotors, disks, forgings, rods, fasteners; high-pressure pipes for chemical equipment and hydrogenation plants.

Delivery, price

Buy a sheet, the brand 20х3мвф, ei 415 from the supplier Avgob can be at an affordable price. The price is formed on the basis of European production standards. Supplier Avgloft offers to buy a corrosion-resistant sheet, a 20x3mvf tape, ei 415 in an assortment at the optimal price in bulk or at retail.