18Х11МНФБ - ep291 sheet, circle, wire

International Equivalent

Mark Analogue W. Nr. Aisi Uns En Order
18X11MNFB EP291 1.4923 X22CrMoV12-1 Delivery from the stock, in stock

Technical characteristics

Martensitic grade high temperature resistant stainless steel. Specific gravity 7.85 g/cm3. Alloy is alloyed with nickel, manganese, molybdenum, vanadium, niobium, copper, silicon, combines corrosion resistance and high wear and impact toughness (590 kJ/m2)

Percentage composition (GOST 5632-72)

Fe С Cu Si Mn Ni P S Mo Nb V
basis 0.15 - 0.21 ≤0,3 ≤0,6 0.6 - 1 0.5 - 1 ≤0,03 ≤0,025 0.8 - 1.1 0.2 - 0.45 0.2 - 0.4

Steel is difficult to weld. Brinell hardness: HB 10 -1 = 229 - 269 N/mm2

Mechanical properties (temperature 20°C)

Range GOST s in sT d5 y Heat treatment
- MPa MPa % % -
Bar 5949-75 740 590-735 15 50 Hardened at 1080 - 1130 °C, air, Tempering at 660 - 770 °C, air,
Bar 18968-73 740 590-735 15 50 Normalization and tempering

sB - Ultimate short term tensile strength

sT - limit of proportionality (yield strength for permanent deformation)

d5 - Tensile elongation at break.

Cold working

Turning, milling, grinding, drilling.

E 10- 5 a 10 6 l C
Degree MPa 1/Gradus W/(m-degree) J/(kg-degree)
20 2.28
200 2.13 10.6 25.1 530
400 1.93 11.3 26.3 667
600 11.8 28 900
800 12.4

Analogues

Germany EU GOST
DIN, WNr EN GOST
X22CrMoV12-1 X22CrMoV12-1 2X11MFBN

Application

Steam and gas turbine parts, permanently operating under high load at t° up to +600°C

Supplier.

We offer to buy sheets, rounds, wires 18h11mfb, ep291 from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with international quality standards. Supplier Evek GmbH offers to buy sheet, round, wire 18h11mnfb, ep291, the price is optimal in this segment of rolled products.

Buy a bargain price.

We offer sheet, round, wire 18h11mnfb, ep291, the price is determined by the technological features of production without the inclusion of additional costs. It is possible to order products with non-standard parameters. In the segment of martensitic class steel, Evek GmbH is a profitable supplier.