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.