10H18N18YU4D - эп841 sheet, round, wire

International Equivalent

Mark Analogue W. Nr. Aisi Uns En Order
10X18N18Yu4D EP841 Delivery from the stock, in stock

Production

Steel is smelted in an induction 10Х18Н18Ю4Д pachysolen the requirements of GOST 5632−72 — high Alloyed steel and corrosion-resistant heat-resistant heat-resistant alloys. Production normalized following THAT: 14−130−60−73; 14−1-1197−75; 14−131−195−77; 14−1-1964−77; 14−159−93−77; 14−1-2075−77; 14−131−404−78.

Use

The production of parts that operate in industrial atmospheres, the temperature of which is 950−1100°C. It is details such as muffles, retorts, elements of gas burners, shutoff valves of gas pipelines.

Chemical composition

Al C Ce Cr Cu Fe Mn Ni P S Si
3,2−4,2 0,07−0,13 ≤0,03 18−19,5 0,4−0,6 DOS. ≤0,8 18−19,5 ≤0,035 ≤0,02 ≤0,8

The mechanical properties of the alloy at t° 20°C

TU Product type σв, N/mm2 σ0,2, N/mm2 δ5, %
THAT 14−131−404−78 Rod 670 285 50
THAT 14−1-1197−75 Thick sheet 600 - 40
TU14−1964−77 A thin sheet 500 - 40

Mechanical properties under exposure to high temperatures (rod or quenching from 1130 degrees Celsius in water)

tисп, °C σв, N/mm2 σ0,2, N/mm2 δ5, % ψ, % KCU, j/cm2
600 520 221 48 44 196
700 340 182 - 47 137
800 185 162 60 78 147
900 95 83 86 86 157
1000 55 34 90 87 157
1100 25 20 109 90 206
1200 22 15 147 90 216

Physical properties

The density of alloy = 7,63 · 103 kg/m3. The modulus of elasticity (E), the temperature coefficient of linear expansion (α) and the coefficient of thermal conductivity (λ)

tисп, °C E · 10−4 N/mm2 λ, W/(m · K) Temperature range, °C α · 106, K-1
20 18,6 - - -
100 18,2 12,4 20−100 15,5
200 17,8 13,4 20−200 16,5
300 17,1 15,4 20−300 17,0
400 16,5 17,1 20−400 17,4
500 16,1 18,4 20−500 17,65
600 15,6 20,5 20−600 18,2
700 14,6 21,7 20−700 18,4
800 13,8 23,0 20−800 18,8
900 12,7 - 20−900 18,6
1000 - - - -

Resistance to corrosion

The heat and speed of corrosion (νок) in calm air atmosphere

tисп, °C νок, mm/year
950 0,1
1000 0,2
1100 0,5

The maximum limit of preservation of tensile and creep (when quenched from 1130 ° C and air cooling)

tисп, °C σ1000, N/mm2 σ1·10−4, N/mm2 σ0,5·10−4, N/mm2
800 33 - -
900 12 - -
1000 7 1,6 0,9
1200 3 - -

Technological properties

Hot pressure treatment, is performed at a temperature from 1180 to 980 °C. Annealing is carried out at a temperature of 1130 °C with air cooling. Steel is welded satisfactorily. Performing TIG welding, it is better to use electrodes OzL-25.

Supply

All products are brand 10Х18Н18Ю4Д certified. In the technical documentation included data on chemical composition, limiting the percentage of impurities; mechanical qualities of the products. We can buy in bulk any semi-finished products for large-scale production. We also offer optimal conditions for retail customers. A high level of service and speed of service are the face of our company.

Buy at best price

In stock, LLC «Evek GmbH» has a range of iron-Nickel alloys. Supply certified products of domestic and foreign manufacturers. Our staff members are always happy to provide expert assistance in the choice of metal. We employ some of the most experienced managers. Strict adherence to standards of production, excellent product quality and minimum turnaround times are the face of our company. For regular customers entered the discount discount.