20X12VNMF - ep428 sheet, circle, wire

International Equivalent

Mark Analogue W. Nr. Aisi Uns En Order
20X12VNMF EP428 Delivery from the stock, in stock

Technical characteristics

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

Percent composition (GOST 5632-72)

Fe С V Si Mn Ni P S Cr W Mo
basis 0.17 - 0.23 0.15 - 0.3 ≤0,6 0.5 - 0.9 0.5 - 0.9 ≤0,03 ≤0,025 10.5 - 12.5 0.7 - 1.1 0.5 - 0.7
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 15 50 Hardening 1010 - 1060 °C, oil, Tempering 660 - 670 °C, air,
Bar 18968-73 740 590-755 15 50 Normalization and tempering

sT - Proportional limit (yield strength for permanent deformation)

sc - Ultimate short term tensile strength

d5 - Tensile elongation at break.

t°C E 10- 5 a 10 6 l r
Degree MPa 1/Gradus W/(m-degree) kg/m3
20 2.12 7850
200 2.02 10.9 25 7800
400 1.9 11.4 26 7760
600 1.67 11.9 27 7700
700 12 7670

Cold working

Turning, milling, grinding, drilling.

Analogues

GOST USA Japan
GOST AISI JIS
2X12VNMF 616 SUH616

Applications

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

Furnizor

We offer to buy round, wire 20X12VNMF - ep428 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 a circle, wire 20X12VNMF - ep428, the price is optimal in this segment of rolled products.

Buy, bargain price

We offer a circle, wire 20X12VNMF - ep428, the price is determined by the technological features of production without including additional costs. You can order products with non-standard parameters. In the segment of heat-resistant high-alloy steel Evek GmbH is a profitable supplier.