By visiting this site, you accept the use of cookies. More about our cookie policy.

Steel 20KH1M1F1TR (ЭП182)

Designation

Name The value
Designation GOST Cyrillic 20Х1М1Ф1ТР
Designation GOST Latin 20X1M1F1TP
Transliteration 20H1M1F1TR
The chemical elements 20Cr1Mo1V1TiB
Name The value
Designation GOST Cyrillic ЭП182
Designation GOST Latin EP182
Transliteration EhP182
The chemical elements -

Description

Steel 20KH1M1F1TR used: for the production of fasteners with special operating characteristics; fasteners turbines and flange connections, steam pipes and equipment and parts with operating temperature up to 500−580 °C.

Note

Steel pearlitic class.

Standards

Name Code Standards
Sheets and stripes В23 GOST 103-2006
Sectional and shaped rolling В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006
Sheets and stripes В33 GOST 4405-75
Sectional and shaped rolling В32 GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, GOST 20072-74, TU 14-1-552-72, TU 14-11-245-88
Metal forming. Forgings В03 TU 0306.018-80, ST ЦКБА 010-2004

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V B Ti Mo W
GOST 20072-74 0.17-0.24 ≤0.03 ≤0.03 ≤0.5 0.9-1.4 ≤0.37 ≤0.3 The rest ≤0.2 0.7-1 ≤0.005 0.05-0.12 0.8-1.1 ≤0.2
TU 14-1-552-72 0.17-0.24 ≤0.03 ≤0.03 ≤0.5 0.9-1.4 ≤0.35 ≤0.5 The rest ≤0.3 0.7-1 ≤0.005 0.05-0.12 0.8-1.1 -
Fe is the basis.
According to GOST 20072-74, when steel is scrap-process, the content of Cu ≤ 0.30%. Tungsten is allowed up to 0.20%. When smelting steel by the method of electroslag remelting, the mass fraction of sulfur should not be more than 0.015%.
According to TU 14-1-552-72, the chemical composition is given for steels of 20X1M1F1TR (EP182) and 20X1M1F1TR-III (EP182-SH) grades.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2
Bars hot rolled and forged (12-180 mm). Quenching in oil with 970-990 °C to + Leave at 680-720 °C, air cooling
≥670 ≥780 ≥15 ≥50 ≥590
Rolled steel. Quenching in oil with 980°C + Vacation at 700 °C (exposure 5-7 hours)
≥700 ≥800 ≥15 ≥60 ≥600
Rolled steel. Normalization at 960-980 °C, cooling in oil + Vacation at 700-750 °C, air cooling
≥255 ≥470 ≥21 ≥55 ≥980

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

Physical characteristics

Temperature Е, ГПа r, кг/м3 l, Вт/(м · °С) a, 10-6 1/°С
20 215 7850 - -
100 212 - 423 -
200 208 - 406 12
300 202 - 402 123
400 194 - 398 1285
500 183 - 394 13
600 174 - 389 135
700 153 - 385 1355
800 - - 381 -

A description of the physical symbols

Name Description
Е The normal elasticity modulus
r Density
l Coefficient of thermal conductivity
R UD. the resistivity

Our consultant will save your time

+49(1516) 758 59 40
Telegram:
WhatsApp:

Subscription

Special offers and discounts. :)